Assertion `:` During diastole, ventricles receives blood from auricles. Reason `:` During ventricular diastole (stage of rapid inflow) the pressure in

Assertion `:` During diastole, ventricles receives blood from auricles. Reason `:` During ventricular diastole (stage of rapid inflow) the pressure in
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Assertion `:` During diastole, ventricles receives blood from auricles. Reason `:` During ventricular ... . If both Assertion & Reason are false.
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What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL ? (a) 125 beats per minute (b) 50 beats per minute (c) 75 beats per minute (d) 100 beats per minute

Description : What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL ? (a) 125 beats per minute (b) 50 beats per minute (c) 75 beats per minute (d) 100 beats per minute

Last Answer : (d) 100 beats per minute

Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when(a) AV node receives signal from SA node (b) AV valves open up (c) Ventricular walls vibrate due to gushing in of blood from atria (d) Semilunar valves close down after the blood flows into vessels from ventricles.

Description : Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when (a) AV node receives signal from SA node (b) AV valves open up (c) Ventricular ... blood from atria (d) Semilunar valves close down after the blood flows into vessels from ventricles.

Last Answer : (d) Semilunar valves close down after the blood flows into vessels from ventricles

Assertion `:` The pause between the end of the second sound and the beginning of the first sound coincides with ventricular diastole. Reason `:` The s

Description : Assertion `:` The pause between the end of the second sound and the beginning of the first sound coincides with ventricular diastole. Reason `:` The s

Last Answer : Assertion `:` The pause between the end of the second sound and the beginning of the first sound ... . D. If both Assertion & Reason are false.

Blood pressure is high in the – (1) Ventricles (2) Arteries (3) Veins (4) Auricles

Description : Blood pressure is high in the – (1) Ventricles (2) Arteries (3) Veins (4) Auricles

Last Answer : (2) Arteries Explanation: Hypertension (HTN) or high blood pressure, sometimes called arterial hypertension, is a chronic medical condition in which the blood pressure in the arteries is elevated. This requires the heart to work harder than normal to circulate blood through the blood vessels.

Blood pressure is high in the (1) Ventricles (2) Arteries (3) Veins (4) Auricles

Description : Blood pressure is high in the (1) Ventricles (2) Arteries (3) Veins (4) Auricles

Last Answer : Arteries

Impulses from the pace -maker cause the (a) ventricles to contract (b) auricles to contract (c) both the ventricle and auricle to contract (d) heart to relax

Description : Impulses from the pace -maker cause the (a) ventricles to contract (b) auricles to contract (c) both the ventricle and auricle to contract (d) heart to relax

Last Answer : Ans:(b)

The QRS complex in a standard ECG represents (a) repolarisation of auricles (b) depolarisation of auricles (c) depolarisation of ventricles (d) repolarisation of ventricles.

Description : The QRS complex in a standard ECG represents (a) repolarisation of auricles (b) depolarisation of auricles (c) depolarisation of ventricles (d) repolarisation of ventricles.

Last Answer : (c) depolarisation of ventricles

In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart? (a) S - start of systole (b) T - end of diastole (c) P - depolarisation of the atria (d) R - repolarisation of ventricles

Description : In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart? (a) S - start of systole (b) T - end of diastole (c) P - depolarisation of the atria (d) R - repolarisation of ventricles

Last Answer : (c) P - depolarisation of the atria

Assertion `:` First heart sound (LUBB) is produced at the beginning fo ventricular systole stage. Reason `:` During ventricular systole semilunar valv

Description : Assertion `:` First heart sound (LUBB) is produced at the beginning fo ventricular systole stage. Reason `:` During ventricular systole semilunar valv

Last Answer : Assertion `:` First heart sound (LUBB) is produced at the beginning fo ventricular systole stage. Reason ... D. If both Assertion & Reason are false.

Assertion `:` If the muscles of both auricles of the person permanently fail to contract due to any reason there will still be no change in his genera

Description : Assertion `:` If the muscles of both auricles of the person permanently fail to contract due to any reason there will still be no change in his genera

Last Answer : Assertion `:` If the muscles of both auricles of the person permanently fail to contract due to any ... . D. If both Assertion & Reason are false.

Assertion `:` In joint diastole, all the four chamber of heart are in relaxed state. Reason `:` The tricuspid and bicuspid valves are open and semilun

Description : Assertion `:` In joint diastole, all the four chamber of heart are in relaxed state. Reason `:` The tricuspid and bicuspid valves are open and semilun

Last Answer : Assertion `:` In joint diastole, all the four chamber of heart are in relaxed state. Reason `:` ... False. D. If both Assertion & Reason are false.

Which of the following ECG characteristics is usually seen when a patient’s serum potassium level is low? 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. b) T wave The T wave is an ECG characteristic reflecting repolarization of the ventricles. It may become tall or “peaked” if a patient’s serum potassium level is high. c) P wave The P wave is an ECG characteristic reflecting conduction of an electrical impulse through the atria. d) QT interval The QT interval is an ECG characteristic reflecting the time from ventricular depolarization to repolarization.

Description : Which of the following ECG characteristics is usually seen when a patient's serum potassium level is low? a) U wave The U wave is an ECG waveform characteristic that may ... interval The QT interval is an ECG characteristic reflecting the time from ventricular depolarization to repolarization.

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.

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.

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

Blood pressure in the mammalian aorta is maximum during (a) systole of the left ventricle (b) diastole of the right atrium (c) systole of the left atrium (d) diastole of the right ventricle

Description : Blood pressure in the mammalian aorta is maximum during (a) systole of the left ventricle (b) diastole of the right atrium (c) systole of the left atrium (d) diastole of the right ventricle

Last Answer : (a) systole of the left ventricle

Intravenous furosemide promptly mitigates dyspnoea in acute left ventricular failure by: A. Producing bronchodilatation B. Causing rapid diuresis and reducing circulating blood volume C. Increasing venous capacitance and reducing cardiac preload. D. Stimulating left ventricular contractility

Description : Intravenous furosemide promptly mitigates dyspnoea in acute left ventricular failure by: A. Producing bronchodilatation B. Causing rapid diuresis and reducing circulating blood volume C. Increasing venous capacitance and reducing cardiac preload. D. Stimulating left ventricular contractility

Last Answer : C. Increasing venous capacitance and reducing cardiac preload.

What is the stage of the cardiac cycle during which the ventricles are filled?

Description : What is the stage of the cardiac cycle during which the ventricles are filled?

Last Answer : The filling of the ventricles with blood occurs during diastole. The Circulatory System - Image Diversity: cardiac cycle

Assertion : The menstrual flow results due to breakdown of endometrial lining of the uterus and its blood vessels . Reason : Rapid fall in the level o

Description : Assertion : The menstrual flow results due to breakdown of endometrial lining of the uterus and its blood vessels . Reason : Rapid fall in the level o

Last Answer : Assertion : The menstrual flow results due to breakdown of endometrial lining of the uterus and its blood ... D. If both Assertion & Reason are False.

Glyceryl trinitrate is used in CHF for: A. Routine treatment of mild to moderate chronic heart failure B. Rapid symptom relief in acute left ventricular failure C. Arresting disease progression D. Both 'A' and 'B'

Description : Glyceryl trinitrate is used in CHF for: A. Routine treatment of mild to moderate chronic heart failure B. Rapid symptom relief in acute left ventricular failure C. Arresting disease progression D. Both 'A' and 'B'

Last Answer : D. Both 'A' and 'B

Cerebrospinal fluid: a. is produced mainly by the lateral, third and fourth ventricles b. enters the subarachnoid space through foramina Lushka and Magendie c. is reabsorbed mainly into the lymphatics d. production is dependent of the blood pressure

Description : Cerebrospinal fluid: a. is produced mainly by the lateral, third and fourth ventricles b. enters the subarachnoid space through foramina Lushka and Magendie c. is reabsorbed mainly into the lymphatics d. production is dependent of the blood pressure

Last Answer : is produced mainly by the lateral, third and fourth ventricles

Assertion : During embrynic stage testes descend down and at the time of birth , it comes into scrotum . Reason : Spermatogenesis process requires les

Description : Assertion : During embrynic stage testes descend down and at the time of birth , it comes into scrotum . Reason : Spermatogenesis process requires les

Last Answer : Assertion : During embrynic stage testes descend down and at the time of birth , it comes into scrotum ... . D. If both Assertion & Reason are False.

Assertion : Crossing over take place during pachytene stage. Reason : It is a process of interchange of chromatid material between non sister chromati

Description : Assertion : Crossing over take place during pachytene stage. Reason : It is a process of interchange of chromatid material between non sister chromati

Last Answer : Assertion : Crossing over take place during pachytene stage. Reason : It is a process of interchange of ... D. If both Assertion & Reason are false.

During joint diastole `:-`

Description : During joint diastole `:-`

Last Answer : During joint diastole `:-` A. Tricuspid and bicuspid valves are open B. Semilunar valves are closed C. ... are in a relaxed state D. All of the above

Is the ventricle lumen larger during systole or during diastole?

Description : Is the ventricle lumen larger during systole or during diastole?

Last Answer : Systole is the stage of the cardiac cycle on which the ventricles contract. So the lumen of these chambers is reduced and the pressure upon the blood within them is heightened. During diastole ... fibers of the ventricles relax and the lumen of these chambers enlarges helping the entrance of blood.

The cerebrospinal fluid: a. has a normal volume of 150 ml b. has a normal opening pressure of 7 - 18 cm H2O c. flows from the ventricles to the subarachnoid space via the foramen of Monrod. does not contain neutrophils in normal individuals

Description : The cerebrospinal fluid: a. has a normal volume of 150 ml b. has a normal opening pressure of 7 - 18 cm H2O c. flows from the ventricles to the subarachnoid space via the foramen of Monro d. does not contain neutrophils in normal individuals

Last Answer : has a normal volume of 150 m

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

Assertion : - Cockorach undergoes many moulting in their development stage. Reason : - Cockroach exhibits gradual metamorphosis.

Description : Assertion : - Cockorach undergoes many moulting in their development stage. Reason : - Cockroach exhibits gradual metamorphosis.

Last Answer : Assertion : - Cockorach undergoes many moulting in their development stage. Reason : - Cockroach exhibits gradual metamorphosis. A. A B. B C. C D. D

Assertion : Mucoid connective tissue is called as embryonic tissue. Reason : Mucoid connective tissue is mainly found in enbryonic stage .

Description : Assertion : Mucoid connective tissue is called as embryonic tissue. Reason : Mucoid connective tissue is mainly found in enbryonic stage .

Last Answer : Assertion : Mucoid connective tissue is called as embryonic tissue. Reason : Mucoid connective tissue is ... D. If both Assertion & Reason are false.

What is Diastole ?

Description : What is Diastole ?

Last Answer : Diastole is the expansion of the heart.

What is the difference between systole and diastole?

Description : What is the difference between systole and diastole?

Last Answer : Systole and diastole are the two stages into which the cardiac cycle is divided. Systole is the stage when the contraction of ventricular muscle fibers occurs and the ventricles are emptied. ... and the ventricles are filled with blood. The Circulatory System - Image Diversity: cardiac cycle

Movement of alimentary canal is known as : (a) Systole (b) Peristalsis (c) Diastole (d) Metachromal

Description : Movement of alimentary canal is known as : (a) Systole (b) Peristalsis (c) Diastole (d) Metachromal

Last Answer : (b) Peristalsis

if you suspect atrial flutter : Consider digoxin if not already in use because it frequently increases the conduction ratio and decreases the ventricular rate. , Avoid adrenergic and atropinic agents during sedation or anesthesia for cardioversion. Ketamine is relatively contraindicatedthe cause of premature ventricular contraction? decrease O2 supply to the muscle decrease blood supply to the muscle the heart trying to beat fast ______________________________

Description : if you suspect atrial flutter : Consider digoxin if not already in use because it frequently increases the conduction ratio and decreases the ventricular rate. , Avoid adrenergic and ... to the muscle decrease blood supply to the muscle the heart trying to beat fast ______________________________

Last Answer : decrease O2 supply to the muscle

Assertion `:-` An increase in glomerular blood pressure can activate the JG of kidney to release renin. Reason `:-` Angiotensin I is a powerful vaso c

Description : Assertion `:-` An increase in glomerular blood pressure can activate the JG of kidney to release renin. Reason `:-` Angiotensin I is a powerful vaso c

Last Answer : Assertion `:-` An increase in glomerular blood pressure can activate the JG of kidney to release renin. ... . D. If both Assertion & Reason are false.

Assertion `:` Generally old people have hiher blood pressure. Reason `:` Arterial diameter increases with Age.

Description : Assertion `:` Generally old people have hiher blood pressure. Reason `:` Arterial diameter increases with Age.

Last Answer : Assertion `:` Generally old people have hiher blood pressure. Reason `:` Arterial diameter increases with ... D. If both Assertion & Reason are false.

Assertion `:` Systolic pressure is higher then diastolic pressure. Reason `:` Arteries contract during systole of heart.

Description : Assertion `:` Systolic pressure is higher then diastolic pressure. Reason `:` Arteries contract during systole of heart.

Last Answer : Assertion `:` Systolic pressure is higher then diastolic pressure. Reason `:` Arteries contract during ... D. If both Assertion & Reason are false.

Assertion :- At constant pressure for the change `H_(2)O(s)rarr H_(2)O(g)` work done is nwgative. Reason :- During phase transition work done is alway

Description : Assertion :- At constant pressure for the change `H_(2)O(s)rarr H_(2)O(g)` work done is nwgative. Reason :- During phase transition work done is alway

Last Answer : Assertion :- At constant pressure for the change `H_(2)O(s)rarr H_(2)O(g)` work done is ... is False. D. If both Assertion & Reason are false.

Assertion (A): Hydrostatic lubrication is more advantageous when compared to hydrodynamic lubrication during starting and stopping the journal in its bearing. Reason (R): In hydrodynamic lubrication, the fluid film pressure is generated by the rotation of the journal. [IES-1998] (a) Both A and R are individually true and R is the correct explanation of A (b) Both A and R are individually true but R is not the correct explanation of A (c) A is true but R is false (d) A is false but R is true

Description : Assertion (A): Hydrostatic lubrication is more advantageous when compared to hydrodynamic lubrication during starting and stopping the journal in its bearing. Reason (R): In hydrodynamic lubrication, the fluid film pressure is ... (c) A is true but R is false (d) A is false but R is true

Last Answer : (b) Both A and R are individually true but R is not the correct explanation of A

Assertion `:-` The blood transports carbondioxide comparatively easily. Reason `:-` During `CO_(2)` transport chloride ions diffuse from plasma into t

Description : Assertion `:-` The blood transports carbondioxide comparatively easily. Reason `:-` During `CO_(2)` transport chloride ions diffuse from plasma into t

Last Answer : Assertion `:-` The blood transports carbondioxide comparatively easily. Reason `:-` During `CO_(2)` ... D. If both Assertion & Reason are false.

A patient of acute myocardial infarction being treated in intensive care unit developed left ventricular failure with raised central venous pressure. It was decided to use glyceryl trinitrate. Which route/method of administration would be most suitable. (a) Sublingual (b) Oral (c) Intravenous bolus injection (d) Slow intravenous infusion

Description : A patient of acute myocardial infarction being treated in intensive care unit developed left ventricular failure with raised central venous pressure. It was decided to use glyceryl trinitrate. Which route/ ... (a) Sublingual (b) Oral (c) Intravenous bolus injection (d) Slow intravenous infusion

Last Answer : Ans: D

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.

Description : 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 ... Cardiac output is determined through thermodilution involving injection of fluid into the pulmonary artery catheter.

Last 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.

A patient of acute myocardial infarction being treated in intensive care unit developed left ventricular failure with raised central venous pressure. It was decided to use glyceryl trinitrate. Which route/method of administration would be most suitable: A. Sublingual B. Oral C. Intravenous bolus injection D. Slow intravenous infusion

Description : A patient of acute myocardial infarction being treated in intensive care unit developed left ventricular failure with raised central venous pressure. It was decided to use glyceryl trinitrate. Which route ... suitable: A. Sublingual B. Oral C. Intravenous bolus injection D. Slow intravenous infusion

Last Answer : D. Slow intravenous infusion

a. The P wave represent the electrical excitation of the_____ b. The QRS complex represents the ____ of the ventricles. c. The end of T wave marks the

Description : a. The P wave represent the electrical excitation of the_____ b. The QRS complex represents the ____ of the ventricles. c. The end of T wave marks the

Last Answer : a. The P wave represent the electrical excitation of the_____ b. The QRS complex represents the ____ of ... The end of T wave marks the end of _____

a. The P wave represent the electrical excitation of the_____ b. The QRS complex represents the ____ of the ventricles. c. The end of T wave marks the

Description : a. The P wave represent the electrical excitation of the_____ b. The QRS complex represents the ____ of the ventricles. c. The end of T wave marks the

Last Answer : a. The P wave represent the electrical excitation of the_____ b. The QRS complex represents the ____ of ... The end of T wave marks the end of _____

How would you describe the heart's ventricles?

Description : How would you describe the heart's ventricles?

Last Answer : The cardiac ventricles are the two lower chambers of the heart's four chambers. They are larger and more narrowed than the atria. They function by collecting the blood that flows into them from ... expel blood into the peripheral tissues, using major vessels to carry it to the extremities and lungs.

Out of 24 hours the human heart works, ventricles contact for (a) 6 hours (b) 9 hours (c) 11 hours (d) 12 hours

Description : Out of 24 hours the human heart works, ventricles contact for (a) 6 hours (b) 9 hours (c) 11 hours (d) 12 hours

Last Answer : Ans:(b)

True statements about ECG include: a. the P-R interval corresponds to the duration of atrial systole b. the T-wave ends at the time of aortic valve closure c. the ST segment represents repolarization of the ventricles d. all

Description : True statements about ECG include: a. the P-R interval corresponds to the duration of atrial systole b. the T-wave ends at the time of aortic valve closure c. the ST segment represents repolarization of the ventricles d. all

Last Answer : all

Systemic heart refers to (a) the heart that contracts under stimulation from nervous system (b) left auricle and left ventricle in higher vertebrates (c) entire heart in lower vertebrates (d) the two ventricles together in humans.

Description : Systemic heart refers to (a) the heart that contracts under stimulation from nervous system (b) left auricle and left ventricle in higher vertebrates (c) entire heart in lower vertebrates (d) the two ventricles together in humans.

Last Answer : (b) left auricle and left ventricle in higher vertebrates