Description : In humans, blood passes from the post caval to the diastolic right atrium of heart due to (a) stimulation of the sino auricular node (b) pressure difference between the post caval and atrium (c) pushing open of the venous valves (d) suction pull.
Last Answer : (b) pressure difference between the post caval and atrium
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.
Description : Major beneficial effect of nitrates in classical angina is due to (a) Dilation of veins more than arteries (b) Increase in total coronary blood flow (c) An increase in the end diastolic size of the heart (d) An increase in the heart rate
Last Answer : Ans: A
Description : What vessel receives deoxygenated blood in the right atrium via the heart?
Last Answer : Need answer
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.
Description : Vasodilators are used to treat: A. Acute heart failure attending myocardial infarction B. Chronic heart failure due to diastolic dysfunction C. Chronic heart failure due to both systolic as well as diastolic dysfunction D. All of the above
Last Answer : D. All of the above
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.
Description : To which heart chamber does the blood go after leaving the left atrium? What is the valve that separates these compartments?
Last Answer : The arterial blood that has come from the lungs to the left atrium passes then to the left ventricle. The valve between the left ventricle and the left atrium is the mitral valve, a ... left atrium during systole (contraction of the ventricles). The Circulatory System - Image Diversity: mitral valve
Description : When a child is born, what happens to its blood circulation? (1) Its blood flows for the first time (2) Its blood reverses its flow through the heart (3) Its blood ceases to pass from one atrium to the other (4) Its blood carries wastes for the first time
Last Answer : (4) Its blood carries wastes for the first time Explanation: The Fetal circulatory system is unique during pregnancy before the lungs first come into use at birth. Its circulatory system must reorient ... umbilical cord constrict and close. All this happens in a few moments when the baby is born.
Description : When a child is born, what happens to its blood circulation ? (1) Its blood flows for the first time (2) Its blood reverses its flow through the heart (3) Its blood ceases to pass from one atrium to the other (4) Its blood carries wastes for the first time
Last Answer : Its blood carries wastes for the first time
Description : The major common determinant of myocardial oxygen consumption is (a) Blood volume (b) Cardiac output (c) Diastolic blood pressure (d) Heart rate (e) Myocardial fiber tension
Last Answer : Ans: E
Description : Which of the following terms describes the amount of blood ejected per heartbeat? a) Stroke volume Stroke volume is determined by preload, afterload, and contractility. b) Cardiac output Cardiac output ... must overcome to eject blood during systole and is one of the determinants of stroke volume.
Last Answer : a) Stroke volume Stroke volume is determined by preload, afterload, and contractility.
Description : Hydralazine is a directly acting vasodilator, but is not used alone as an antihypertensive because: A. By itself, it is a low efficacy antihypertensive B. Effective doses cause marked ... mechanisms D. It primarily reduces systolic blood pressure with little effect on diastolic blood pressure
Last Answer : C. Tolerance to the antihypertensive action develops early due to counterregulatory mechanisms
Description : What is the correct route for blood flow in a human? Left atrium " Left ventricle " Lungs " Right ventricle " Right atrium Left atrium " Left ventricle " Right ventricle " Right atrium " Lungs (c) ... " Left atrium " Lungs (d) Right atrium " Right ventricle " Lungs " Left atrium " Left ventricle
Last Answer : (d) Right atrium " Right ventricle " Lungs " Left atrium " Left 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
Description : patient with rhumatic heart disease and had mitral valve stenosis Mitral vave diameter less than 1 mm In order to maintain COP what will happen : Left atrial hypertrophy and decrease ... dilatation with decrease pressure of contraction d- ventricle dilatation with decrease pressure of contraction .
Last Answer : Dilatation in the atrium with chamber hypertrophy
Description : A heart with a single atrium and single ventricle is a characteristic of adult: a) amphibians b) arthropods c) birds d) fish
Last Answer : ANSWER: D -- FISH
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.
Description : Does the Garmin Forerunner with Heart rate monitor give your systolic and diastolic readings?
Last Answer : Unfortunately no, it only records your heart rate, time, distance, speed, path traveled and altitude
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
Description : Nitroglycerin, either directly or through reflexes, results in which one of the following effects (a) Decreased heart rate (b) Decreased venous capacitance (c) Increased afterload (d) Increased cardiac force (e) Increased diastolic intramyocardial fiber tension
Last Answer : Ans: D
Description : Shortacting nifedipine formulation is not recommended now for treatment of hypertension because: A. It tends to increase heart rate and cardiac work B. It invokes pronounced reflex sympathetic discharges C. It can impair haemodynamics in patients with diastolic dysfunction D. All of the above
Description : Systolic pressure is higher than diastolic pressure due to `:-`
Last Answer : Systolic pressure is higher than diastolic pressure due to `:-` A. Volume of blood in the heart ... D. Blood is forced into arteries during systole.
Description : Assertion `:` The opening between the right atrium and the right ventricle is guarded by a bicuspid or mitral valve. Reason `:` The valves in the hear
Last Answer : Assertion `:` The opening between the right atrium and the right ventricle is guarded by a bicuspid or ... . D. If both Assertion & Reason are false.
Description : The opening between the right atrium and the right ventricle is guarded by which valve ?
Last Answer : The opening between the right atrium and the right ventricle is guarded by which valve ? A. ... Bicuspid value C. Semilular valve D. Eustachian valve
Last Answer : The opening between the right atrium and the right ventricle is guarded by which valve ? A. ... Tricuspid valve C. mitral valve D. semilunar valve
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)
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
Description : What vessel sends blood through the left atrium?
Description : Which is the largest blood vessel, in human body? (1) Aorta (2) Anatomises (3) Tunica Intima (4) Atrium
Last Answer : (1) Aorta Explanation: Aorta is the largest blood vessel in human body. It is the largest of the systemic circulation arteries, Blood enters the aorta from the left ventricle of the heart by ... backflow. From the aorta, several arterial branches carry oxygenated blood to all tissues in the body.
Description : Which is the largest blood vessel in human body? (1) Aorta (2) Anatomises (3) Tunica Intima (4) Atrium
Last Answer : Aorta
Description : What is the diastolic flow of blood from the aorta into left ventricle called?
Last Answer : Aortic insufficiency (AI), also known as aortic regurgitation (AR) is what is called when blood flows in the reverse direction during ventricular diastole, from the aorta into the left ventricle.
Description : With regard to cerebral autoregulation: a. cerebral blood flow is constant over a diastolic blood pressure of 60 to 140 mmHg b. autoregulation is lost during the acute phase of subarachnoid haemorrhage c. it is impaired in hypercapnia d. it is impaired in hypoxia
Last Answer : it is impaired in hypoxia
Description : 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 ... R together - systolic and diastolic blood pressures (d) Peak P- initiation of left atrial contraction only
Last Answer : (a) Complex QRS - one complete pulse
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.
Last Answer : 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 : 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
Description : In the more highly developed animals, such as humans this gas is used to regulate the activity of the heart, the blood vessels, and the respiratory system. WORKING MUSCLES PRODUCE A ... mental disturbances which can include confusion, headache, low blood pressure and hypothermia. Name this gas.
Last Answer : ANSWER: Carbon Dioxide or CO2
Description : The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its functions. (a) C - Vena cava - Takes blood from body parts to right auricle, pCO2 = 45 ... 60 mm Hg (d) B - Pulmonary artery - Takes blood from heart to lungs, pO2 = 90 mm Hg
Last Answer : (a) C - Vena cava - Takes blood from body parts to right auricle, pCO2 = 45 mm Hg
Description : Assertion` :` In open circulatory system blood is pumped by heart passes throgh large vessels into open spaces or body cavities called sinuses. Reason
Last Answer : Assertion` :` In open circulatory system blood is pumped by heart passes throgh large vessels into open ... D. If both Assertion & Reason are false.
Description : Do the arteries that carry blood from the heart to the lungs contain arterial or venous blood? What happens to the blood when it passes through the lungs?
Last Answer : Arteries of the pulmonary circulation are arteries that carry venous blood and not arterial blood. When the blood passes within the alveolar capillaries of the lungs hematosis (oxygenation) occurs and carbon dioxide is released to the exterior.
Description : Assertion`:` In fishes single circulation occur Reason `:` Fishes have a 2-chambered hearts with an atrium and a ventricle.
Last Answer : Assertion`:` In fishes single circulation occur Reason `:` Fishes have a 2-chambered hearts with an ... . D. If both Assertion & Reason are false.
Description : What does the left atrium carry?
Last Answer : The left atrium carries oxygenated blood.
Description : What number on this diagram identifies the location of the left atrium?
Last Answer : Feel Free to Answer
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.
Description : yo presented by hx of syncope when he do excurses and there was hix of same complain when he on rest . and there is chest pain on ex. There was ejection systolic murmur ... t changing and there is lf atrium enlargement Aortic stenosis p.s hypertrophic cardiomyopathy constrictive cardiomyopathy
Last Answer : Aortic stenosis
Description : Explain the difference between systolic and diastolic pressure. -Biology
Last Answer : answer:
Description : What is systolic and diastolic pressure in a healthy man? -Do You Know?
Description : What is diastolic pressure ?
Last Answer : : The pressure created by the heart when it is in a relaxed state is called diastolic pressure. Pressure 70-90 . The blood pressure gauge is a sphgmomanometer . Human blood pressure is measured in the brachial artery .
Last Answer : Diastolic pressure refers to the expansion pressure of the heart.
Description : How can I lower my diastolic pressure?
Last Answer : What is the answer ?