When the balloon on the distal tip of a pulmonary artery catheter is inflated and a pressure is measured, the measurement obtained is referred to as the a) pulmonary artery wedge pressure. When the balloon is inflated, the tip of the catheter floats into smaller branches of the pulmonary arty until it can no longer be passed and the pressure is recorded, reflecting left atrial pressure and left ventricular end-diastolic pressure.

When the balloon on the distal tip of a pulmonary artery
catheter is inflated and a pressure is measured, the measurement
obtained is referred to as the
a) pulmonary artery wedge pressure.
When the balloon is inflated, the tip of the catheter floats into smaller
branches of the pulmonary arty until it can no longer be passed and
the pressure is recorded, reflecting left atrial pressure and left
ventricular end-diastolic pressure.
b) central venous pressure.
Central venous pressure is measured in the right atrium.
c) pulmonary artery pressure.
Pulmonary artery pressure is measured when the balloon tip is not
inflated.
d) cardiac output.
Cardiac output is determined through thermodilution involving
injection of fluid into the pulmonary artery catheter.
by

1 Answer

Answer :

a) pulmonary artery wedge pressure.
When the balloon is inflated, the tip of the catheter floats into smaller
branches of the pulmonary arty until it can no longer be passed and
the pressure is recorded, reflecting left atrial pressure and left
ventricular end-diastolic pressure.
by

Related questions

Which of the following statement(s) is/are true concerning the relationship between cardiac function and effective blood volume? a. A pulmonary capillary wedge pressure of 5–10 rules out fluid overload as a cause of pulmonary edema b. A shift to the right in the Frank-Starling curve is associated with compromised cardiac function c. Dilutional anemia may contribute to tachycardia even though blood volume and filling pressures are normal d. The sole purpose of a pulmonary artery catheter is to measure pulmonary artery pressure and cardiac output

Description : Which of the following statement(s) is/are true concerning the relationship between cardiac function and effective blood volume? a. A pulmonary capillary wedge pressure of 5-10 rules out ... sole purpose of a pulmonary artery catheter is to measure pulmonary artery pressure and cardiac output

Last Answer : Answer: b, c Although physical findings are often adequate to establish a diagnosis and institute management of cardiac failure, direct measurement of filling pressures of the right heart ( ... blood volume is normal, filling pressures are normal, and total body extracellular fluid is excessive

Central venous pressure is measured in which of the following heart chambers? a) Right atrium The pressure in the right atrium is used to assess right ventricular function and venous blood return to the heart. b) Left atrium The left atrium receives oxygenated blood from the pulmonary circulation. c) Left ventricle The left ventricle receives oxygenated blood from the left atrium. d) Right ventricle The right ventricle is not the central collecting chamber of venous circulation.

Description : Central venous pressure is measured in which of the following heart chambers? a) Right atrium The pressure in the right atrium is used to assess right ventricular function and venous blood return ... d) Right ventricle The right ventricle is not the central collecting chamber of venous circulation.

Last Answer : a) Right atrium The pressure in the right atrium is used to assess right ventricular function and venous blood return to the heart.

Which of the following statements concerning monitoring techniques in the intensive care unit are true? A. Pulmonary artery and pulmonary capillary wedge pressure readings should be made at end inspiration, to minimize ventilatory artifacts. B. Continuous SvO 2 monitoring based on the technique of reflectance spectrophotometry has been shown to be accurate and reliable. C. Direct measurement of gastric intramucosal pH can be provided by gastrointestinal tonometry. D. Hyperlactatemia may be seen in a number of clinical conditions not associated with tissue hypoxia, including liver disease and hypermetabolic states.

Description : Which of the following statements concerning monitoring techniques in the intensive care unit are true? A. Pulmonary artery and pulmonary capillary wedge pressure readings should be made ... clinical conditions not associated with tissue hypoxia, including liver disease and hypermetabolic states.

Last Answer : Answer: BD DISCUSSION: Many different monitoring techniques may be used to assess the adequacy of therapy for shock. The pulmonary artery catheter can provide important hemodynamic and oxygen ... also be seen with liver disease, toxin ingestion, and hypermetabolic states not associated with shock

Which of the following ECG waveforms characterizes conduction of an electrical impulse through the left ventricle? a) QRS complex The QRS complex represents ventricular depolarization b) P wave The P wave is an ECG characteristic reflecting conduction of an electrical impulse through the atria. c) PR interval The PR interval is a component of an ECG tracing reflecting conduction of an electrical impulse through the AV node. d) QT interval The QT interval is an ECG characteristic reflecting the time from ventricular depolarization to repolarization.

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Last Answer : a) QRS complex The QRS complex represents ventricular depolarization

In assessing the appropriateness of removing a suprapubic catheter, the nurse recognizes that the patient’s residual urine must be less than which of the following amounts on two separate occasions (morning and evening)? a) 100 cc If the patient complains of discomfort or pain, however, the suprapubic catheter is usually left in place until the patient can void successfully.

Description : In assessing the appropriateness of removing a suprapubic catheter, the nurse recognizes that the patient's residual urine must be less than which of the following amounts on two separate occasions ... urine that is greater than 100 cc indicates that the suprapubic catheter cannot be discontinued.

Last Answer : a) 100 cc If the patient complains of discomfort or pain, however, the suprapubic catheter is usually left in place until the patient can void successfully.

In addition to pulmonary stenosis and ventricular septal defect, Tetralogy of Fallot includes: A A. Dextroposition of aorta and right ventricular hypertrophy B. Dextroposition of aorta and left ventricular hypertrophy C. Right ventricular hypertrophy and left atrial dilatation D. None of these

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Last Answer : Dextroposition of aorta and right ventricular hypertrophy

According to the classification of hypertension diagnosed in the older adult, hypertension that can be attributed to an underlying cause is termed a) secondary. Secondary hypertension may be caused by a tumor of the adrenal gland (e.g., pheochromacytoma). b) primary. Primary hypertension has no known underlying cause. c) essential. Essential hypertension has no known underlying cause. d) isolated systolic. Isolated systolic hypertension is demonstrated by readings in which the systolic pressure exceeds 140 mm Hg and the diastolic measurement is normal or near normal (less than 90 mm Hg).

Description : According to the classification of hypertension diagnosed in the older adult, hypertension that can be attributed to an underlying cause is termed a) secondary. Secondary hypertension may be caused by a tumor of ... mm Hg and the diastolic measurement is normal or near normal (less than 90 mm Hg).

Last Answer : a) secondary. Secondary hypertension may be caused by a tumor of the adrenal gland (e.g., pheochromacytoma).

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Last Answer : a) U wave The U wave is an ECG waveform characteristic that may reflect Purkinje fiber repolarization. It is usually seen when a patient’s serum potassium level is low.

What is a treatment where a thin tube is inserted into a artery and a balloon is inflated?

Description : What is a treatment where a thin tube is inserted into a artery and a balloon is inflated?

Last Answer : Feel Free to Answer

When the intern-in-charge did the skin prep and catheterized the client, the circulating nurse noticed when the intern withdrew the catheter from the vagina. What is your appropriate and immediate action? A. Stop the intern and do the catheterization yourself B. Offer to change the catheter C. Alcoholize the tip of the catheter before reinserting the catheter

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Last Answer : B. Offer to change the catheter

A 45-year-old solicitor had an onset of severe, crushing, substernal chest pain while attending a football match. He collapsed on his way to the car. Bystander Cardiorespiratory Resuscitation was begun immediately and continued until arrival in Casualty where an endotracheal tube was inserted and ventilation was maintained on 100% oxygen. Investigations revealed: pH 7.13 PaO2 560 mmHg PaCO2 18 mmHg Bicarbonate 5.8 SaO2 98% Based on these laboratory values, which of the following statements best describes his current pathophysiology? 1) He is demonstrating a primary respiratory alkalosis 2) He probably developed a large right to left intracardiac shunt 3) His anion gap is probably normal 4) His oxyhemoglobin curve is shifted to the left 5) His pulmonary artery pressure is probably elevated

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Description : When performing endotracheal suctioning, the nurse applies suctioning while withdrawing and gently rotating the catheter 360 degrees for which of the following time periods? a) 10-15 seconds In general ... suction for 0-5 seconds would provide too little time for effective suctioning of secretions.

Last Answer : a) 10-15 seconds In general, the nurse should apply suction no longer than 10-15 seconds because hypoxia and dysrhythmias may develop, leading to cardiac arrest.

When the patient who has undergone laryngectomy suffers wound breakdown, the nurse monitors him very carefully because he is identified as being at high risk for a) carotid artery hemorrhage. The carotid artery lies close to the stoma and may rupture from erosion if the wound does not heal properly. b) pulmonary embolism. Pulmonary embolism is associated with immobility. c) dehydration. Dehydration may lead to poor wound healing and breakdown. d) pneumonia. Pneumonia is a risk for any postoperative patient.

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Last Answer : a) carotid artery hemorrhage. The carotid artery lies close to the stoma and may rupture from erosion if the wound does not heal properly.

At the end of the ventricular contraction, the maximum arterial pressure is attained, and blood flow is most rapid. This is correctly termed the: a) arterial maximum b) gluteus maximum c) diastolic pressure d) systolic pressure

Description : At the end of the ventricular contraction, the maximum arterial pressure is attained, and blood flow is most rapid. This is correctly termed the: a) arterial maximum b) gluteus maximum c) diastolic pressure d) systolic pressure

Last Answer : ANSWER: D -- SYSTOLIC PRESSURE

Given below is the ECG of a normal human. Which one of its components is correctly interpreted below? (a) Complex QRS - one complete pulse (b) Peak T - initiation of total cardiac contraction (c) Peak P and peak R together - systolic and diastolic blood pressures (d) Peak P- initiation of left atrial contraction only

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Last Answer : (a) Complex QRS - one complete pulse

Officially, hypertension is diagnosed when the patient demonstrates a systolic blood pressure greater than ______ mm Hg and a diastolic blood pressure greater than _____ mm Hg over a sustained period. a) 140, 90 According to the categories of blood pressure levels established by the JNC VI, stage 1 hypertension is demonstrated by a systolic pressure of 140–159 or a diastolic pressure of 90–99.

Description : Officially, hypertension is diagnosed when the patient demonstrates a systolic blood pressure greater than ______ mm Hg and a diastolic blood pressure greater than _____ mm Hg over a sustained period. a) ... , 70 Pressure of 120 systolic and 70 diastolic falls within the normal range for an adult.

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When irrigating a colostomy, the nurse lubricates the catheter and gently inserts it into the stoma no more than _______ inches a) 3” The nurse should insert the catheter no more than 3 inches. b) 2” Insertion of the catheter 2 inches is inadequate. c) 4” Insertion of the catheter 4 inches is excessive and not recommended. d) 5” Insertion of the catheter 5 inches is excessive and not recommended.

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Last Answer : a) 3” The nurse should insert the catheter no more than 3 inches.

The antianginal effect of propranolol may be attributed to which one of the following (a) Block of exercise – induced tachycardia (b) Decreased end – diastolic ventricular volume (c) Dilation of consticted coronary vessels (d) Increased cardiac force (e) Increased resting heart rate

Description : The antianginal effect of propranolol may be attributed to which one of the following (a) Block of exercise – induced tachycardia (b) Decreased end – diastolic ventricular volume (c) Dilation of consticted coronary vessels (d) Increased cardiac force (e) Increased resting heart rate

Last Answer : Ans: A

Which of the following venous access devices can be used for no more than 30 days in patients requiring parenteral nutrition? a) Non-tunneled catheter The subclavian vein is the most common vessel used because the subclavian area provides a stable insertion site to which the catheter can be anchored, allows the patient freedom of movement, and provides easy access to the dressing site.

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Last Answer : a) Non-tunneled catheter The subclavian vein is the most common vessel used because the subclavian area provides a stable insertion site to which the catheter can be anchored, allows the patient freedom of movement, and provides easy access to the dressing site.

To facilitate entry of a catheter into the male urethra, the penis should be positioned at which of the following degree angles (in relation to the body)? a) 90 degrees A right angle straightens the urethra and makes it easier to insert the catheter.

Description : To facilitate entry of a catheter into the male urethra, the penis should be positioned at which of the following degree angles (in relation to the body)? a) 90 degrees A right ... and inappropriately positioned for catheterization. d) 270 degrees A 270-degree angle is a physical impossibility.

Last Answer : a) 90 degrees A right angle straightens the urethra and makes it easier to insert the catheter.

A balloon is inflated with helium gas at room temperature of 25 °C and at 1 bar pressure when its initial volume is 2.27L and allowed to rise in air.

Description : A balloon is inflated with helium gas at room temperature of 25 °C and at 1 bar pressure when its initial volume is 2.27L and allowed to rise in air.

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When we inflated a balloon the volume and pressure increases . does it violate the Boyle's law . explain?

Description : When we inflated a balloon the volume and pressure increases . does it violate the Boyle's law . explain?

Last Answer : No, this doesn't because P1V1 is a constant, which I think meansit needs to have the same quantity of gas, which blowing a balloonisn't. Boyle's law is only used when a fixed amount of gas is beingcompressed or uncompressed, changing only its volume andpressure.

When we inflated a balloon the volume and pressure increases . does it violate the boyles law . explain?

Description : When we inflated a balloon the volume and pressure increases . does it violate the boyles law . explain?

Last Answer : No, this doesn't because P1V1 is a constant, which I think meansit needs to have the same quantity of gas, which blowing a balloonisn't. Boyle's law is only used when a fixed amount of gas is beingcompressed or uncompressed, changing only its volume andpressure.

Which of the following regarding the anatomy of the heart is true? A. The aortic valve is tricuspid. B. The ascending aorta is entirely outside the pericardial sac. C. The left atrial appendage is identified readily by transthoracic echocardiography. D. The pulmonary trunk lies anterior to the ascending aorta. E. The right atrium is posterior to the left atrium.

Description : Which of the following regarding the anatomy of the heart is true? A. The aortic valve is tricuspid. B. The ascending aorta is entirely outside the pericardial sac. C. The left atrial appendage is ... trunk lies anterior to the ascending aorta. E. The right atrium is posterior to the left atrium.

Last Answer : Ans: A

If an indwelling catheter is necessary, nursing interventions that should be implemented to prevent infection include a) performing meticulous perineal care daily with soap and water. Cleanliness of the area will reduce potential for infection.

Description : If an indwelling catheter is necessary, nursing interventions that should be implemented to prevent infection include a) performing meticulous perineal care daily with soap and water. Cleanliness of the area ... it is clamped because it may cause backflow of urine from the tubing into the bladder.

Last Answer : a) performing meticulous perineal care daily with soap and water. Cleanliness of the area will reduce potential for infection.

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Description : Bladder retraining following removal of an indwelling catheter begins with instructing the patient to follow a 2-3 hour timed voiding schedule. Immediately after the removal of the indwelling ... in the bladder after voiding, straight catheterization may be performed for complete bladder emptying.

Last Answer : a) encouraging the patient to void immediately. Immediate voiding is not usually encouraged. The patient is commonly placed on a timed voiding schedule, usually within two to three hours.

Of the following oxygen administration devices, which has the advantage of providing high oxygen concentration? a) Non-rebreather mask The non-rebreather mask provides high oxygen concentration but is usually poor fitting. b) Venturi mask The Venturi mask provides low levels of supplemental oxygen. c) Catheter The catheter is an inexpensive device that provides a variable fraction of inspired oxygen and may cause gastric distention. d) Face tent A face tent provides a fairly accurate fraction of inspired oxygen, but is bulky and uncomfortable. It would not be the device of choice to provide high oxygen concentration.

Description : Of the following oxygen administration devices, which has the advantage of providing high oxygen concentration? a) Non-rebreather mask The non-rebreather mask provides high oxygen concentration but is ... and uncomfortable. It would not be the device of choice to provide high oxygen concentration.

Last Answer : a) Non-rebreather mask The non-rebreather mask provides high oxygen concentration but is usually poor fitting.

In general, chest drainage tubes are not used for the patient undergoing a) Pneumonectomy Usually, no drains are used for the pneumonectomy patient because the accumulation of fluid in the empty hemithorax prevents mediastinal shift. b) Lobectomy With lobectomy, two chest tubes are usually inserted for drainage, the upper for air and the lower for fluid c) Wedge resection With wedge resection, the pleural cavity usually is drained because of the possibility of an air or blood leak d) Segmentectomy With segmentectomy, drains are usually used because of the possibility of an air or blood leak.

Description : In general, chest drainage tubes are not used for the patient undergoing a) Pneumonectomy Usually, no drains are used for the pneumonectomy patient because the accumulation of fluid in the empty ... With segmentectomy, drains are usually used because of the possibility of an air or blood leak.

Last Answer : a) Pneumonectomy Usually, no drains are used for the pneumonectomy patient because the accumulation of fluid in the empty hemithorax prevents mediastinal shift.

Heart failure cells, i.e.. macrophages loaded with haemosiderin, are most likely found in C A. Ascites fluid in congestive heart failure B. Pulmonary alveoli in mitral stenosis C. Left ventricular myocardium following infarction and reperfusion D. None of these

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Last Answer : Ascites fluid in congestive heart failure B. Pulmonary alveoli in mitral stenosis C. Left ventricul

Morphine affords symptomatic relief of dyspnoea in acute left ventricular failure by the following mechanisms except: A. Bronchodilatation B. Depression of respiratory centre C. Reduction in cardiac preload D. Shift of blood from pulmonary to systemic circuit

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Last Answer : A. Bronchodilatation

Identify the hormone with its correct matching of source and function. (a) Oxytocin - posterior pituitary, growth and maintenance of mammary glands. (b) Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle. (c) Progesterone - corpus luteum, stimulation of growth and activities of female secondary sex organs. (d) Atrial natriuretic factor - ventricular wall, increases the blood pressure.

Description : Identify the hormone with its correct matching of source and function. (a) Oxytocin - posterior pituitary, growth and maintenance of mammary glands. (b) Melatonin - pineal gland, regulates the ... sex organs. (d) Atrial natriuretic factor - ventricular wall, increases the blood pressure.

Last Answer : (b) Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle

The nurse recognizes which of the following statements as accurately reflecting a risk factor for breast cancer? a) Mother affected by cancer before 60 years of age Risk for breast cancer increases twofold if first-degree female relatives (sister, mother, or daughter) had breast cancer.

Description : The nurse recognizes which of the following statements as accurately reflecting a risk factor for breast cancer? a) Mother affected by cancer before 60 years of age Risk for breast cancer increases ... in women who consume even one drink daily and doubles among women drinking three drinks daily.

Last Answer : a) Mother affected by cancer before 60 years of age Risk for breast cancer increases twofold if first-degree female relatives (sister, mother, or daughter) had breast cancer.

If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non- functional, what will be the immediate effect? (a) The flow of blood into the aorta will be slowed down. (b) The ‘pacemaker’ will stop working. (c) The blood will tend to flow back into the left atrium. (d) The flow of blood into the pulmonary artery will be reduced.

Description : If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non- functional, what will be the immediate effect? (a) The flow of blood into the aorta will be slowed ... back into the left atrium. (d) The flow of blood into the pulmonary artery will be reduced.

Last Answer : (d) The flow of blood into the pulmonary artery will be reduced.

Balloon from the pilgrimage flies and inflated no

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Last Answer : The balloon from the pilgrimage is inflated with light gas, while at home only with air.

A long-term effect of which of the following procedures post acute MI induces angioneogenesis? a) Transmyocardial laser revascularization TNR procedures usually involves making 20 to 40 channels in ventricular muscle. It is thought that some blood flows into the channels, decreasing the ischemia directly. Within the next few days to months, the channels close as a result of the body’s inflammatory process of healing a wound and new blood vessels form as a result of the inflammatory process.

Description : A long-term effect of which of the following procedures post acute MI induces angioneogenesis? a) Transmyocardial laser revascularization TNR procedures usually involves making 20 to 40 channels in ventricular muscle. ... e.g., clopidigrel [Plavix]) therapy for 2 weeks and lifetime use of aspirin).

Last Answer : a) Transmyocardial laser revascularization TNR procedures usually involves making 20 to 40 channels in ventricular muscle. It is thought that some blood flows into the channels, decreasing the ischemia directly. ... healing a wound and new blood vessels form as a result of the inflammatory process.

A Colles’ fracture is a fracture of the a) distal radius. A Colles’ fracture is a fracture of the distal radius (wrist). It is usually the result of a fall on an open, dorsiflexed hand.

Description : A Colles' fracture is a fracture of the a) distal radius. A Colles' fracture is a fracture of the distal radius (wrist). It is usually the result of a fall on an open, dorsiflexed hand. b) elbow ... a fracture of the distal radius. d) clavicle. A Colles' fracture is a fracture of the distal radius.

Last Answer : a) distal radius. A Colles’ fracture is a fracture of the distal radius (wrist). It is usually the result of a fall on an open, dorsiflexed hand.

Crohn’s disease is a condition of malabsorption caused by a) inflammation of all layers of intestinal mucosa. Crohn’s disease is also known as regional enteritis and can occur anywhere along the GI tract, but most commonly at the distal ileum and in the colon.

Description : Crohn's disease is a condition of malabsorption caused by a) inflammation of all layers of intestinal mucosa. Crohn's disease is also known as regional enteritis and can occur ... to lactose intolerance. d) gastric resection. Postoperative malabsorption occurs after gastric or intestinal resection.

Last Answer : a) inflammation of all layers of intestinal mucosa. Crohn’s disease is also known as regional enteritis and can occur anywhere along the GI tract, but most commonly at the distal ileum and in the colon.

Of the following bariatric surgical procedures, which is the best procedure for long-term weight loss? a) Roux-en-Y The Roux-en-Y gastric bypass is the recommended procedure for longterm weight loss. In this procedure, a horizontal row of staples creates a stomach pouch with a 1-cm stoma that is anastomosed with a portion of distal jejunum, creating a gastroenterostomy.

Description : Of the following bariatric surgical procedures, which is the best procedure for long-term weight loss? a) Roux-en-Y The Roux-en-Y gastric bypass is the recommended procedure ... This procedure, which resulted in significant complications, has been largely replaced by gastric restriction procedures

Last Answer : a) Roux-en-Y The Roux-en-Y gastric bypass is the recommended procedure for longterm weight loss. In this procedure, a horizontal row of staples creates a stomach pouch with a 1-cm stoma that is anastomosed with a portion of distal jejunum, creating a gastroenterostomy.

Which of the following terms is used to describe a tachycardia characterized by abrupt onset, abrupt cessation, and a QRS of normal duration? a) Paroxysmal atrial tachycardia PAT is often caused by a conduction problem in the AV node and is now called AV nodal reentry tachycardia. b) Sinus tachycardia Sinus tachycardia occurs when the sinus node regularly creates an impulse at a faster-than-normal rate. c) Atrial flutter Atrial flutter occurs in the atrium and creates an atrial rate between 250-400 times per minute. d) Atrial fibrillation Atrial fibrillation causes a rapid, disorganized, and uncoordinated twitching of atrial musculature.

Description : Which of the following terms is used to describe a tachycardia characterized by abrupt onset, abrupt cessation, and a QRS of normal duration? a) Paroxysmal atrial tachycardia PAT ... fibrillation Atrial fibrillation causes a rapid, disorganized, and uncoordinated twitching of atrial musculature.

Last Answer : a) Paroxysmal atrial tachycardia PAT is often caused by a conduction problem in the AV node and is now called AV nodal reentry tachycardia.

When the Left Ventricle in the human heart contracts, the blood moves to the - (1) Brain (2) Pulmonary Artery (3) Aorta (4) Lungs

Description : When the Left Ventricle in the human heart contracts, the blood moves to the - (1) Brain (2) Pulmonary Artery (3) Aorta (4) Lungs

Last Answer : (3) Aorta Explanation: As the left ventricle contracts, the oxygenated blood is pumped into the main artery of the body — the aorta. To get to the aorta, blood passes through the aortic semilunar valve, which serves to keep blood flowing from the aorta back into the left ventricle.

Match the items given in column I with those in column II and select the correct option given below. Column I Column II A. Tricuspid valve (i) Between left atrium and left ventricle B. Bicuspid valve (ii) Between right ventricle and pulmonary artery C. Semilunar valve (iii) Between right atrium and right ventricle A B C (a) (iii) (i) (ii) (b) (i) (iii) (ii) (c) (i) (ii) (iii) (d) (ii) (i) (iii)

Description : Match the items given in column I with those in column II and select the correct option given below. Column I Column II A. Tricuspid valve (i) Between left atrium and left ventricle B. Bicuspid valve (ii) Between right ventricle and ... (b) (i) (iii) (ii) (c) (i) (ii) (iii) (d) (ii) (i) (iii)

Last Answer : (a) (iii) (i) (ii)

Match the items given in Column I with those in Column II and select the correct option given below: Column I Column II a. Tricuspid valve i. Between left atrium and left ventricle b. Bicuspid valve ii. Between right ventricle and pulmonary artery c. Semilunar valve iii. Between right atrium and right ventricle a b c (1) iii i ii (2) i iii ii (3) i ii iii (4) ii i iii

Description : Match the items given in Column I with those in Column II and select the correct option given below: Column I Column II a. Tricuspid valve i. Between left atrium and left ventricle b. Bicuspid valve ii. Between right ventricle and ... a b c (1) iii i ii (2) i iii ii (3) i ii iii (4) ii i iii

Last Answer : (1) iii i ii

When the Left Ventricle in the human heart contracts, the blood moves to the (1) Brain (2) Pulmonary Artery (3) Aorta (4) Lungs

Description : When the Left Ventricle in the human heart contracts, the blood moves to the (1) Brain (2) Pulmonary Artery (3) Aorta (4) Lungs

Last Answer : Aorta

A hydrogen balloon floats because of – (1) Air pressure decreases with decrease in height (2) Air pressure decreases with decrease in weight (3) Weight of the balloon is less than the weight of air displaced by it (4) The pressure inside the balloon is more than the pressure outside it

Description : A hydrogen balloon floats because of – (1) Air pressure decreases with decrease in height (2) Air pressure decreases with decrease in weight (3) Weight of the balloon is less than the weight of air displaced by it (4) The pressure inside the balloon is more than the pressure outside it

Last Answer : (3) Weight of the balloon is less than the weight of air displaced by it Explanation: A hydrogen atom is very light. Most of the air on earth is made up of nitrogen, oxygen, and carbon dioxide. ... grams per liter. Nitrogen, which makes up 80% of the air we breathe, weighs 1.2506 grams per liter.

A hydrogen balloon floats up because of (1) air pressure decreases with decrease in height (2) air pressure decreases with decrease in weight (3) weight of the balloon is less than the weight of air displaced by it. (4) the pressure inside the balloon is more than the pressure outside it

Description : A hydrogen balloon floats up because of (1) air pressure decreases with decrease in height (2) air pressure decreases with decrease in weight (3) weight of the balloon is less than the weight of air displaced by it. (4) the pressure inside the balloon is more than the pressure outside it

Last Answer : weight of the balloon is less than the weight of air displaced by it.