Heart Biology Questions:
Question: Which chamber of the heart pumps oxygenated blood to the rest of the body?
(a) Right atrium
(b) Left atrium
(c) Right ventricle
(d) Left ventricle
Question: Which of these affects the heart?
(b) Atrial fibrillation
Question: What is the pacemaker of the heart?
(b) AV node
(c) SA node
(d) Bundle of His
Question: Where is situated the pacemaker?
(a) In left auricle near opening of pulmonary vein
(b) In right auricle near eustachain valve
(c) On inter-auricular septum
(d) On inter ventricular septum
Question: What is the valve located between the left atrium and the left ventricle called?
(a) Tricuspid valve
(b) Bicuspid valve
(c) Pulmonary valve
(d) Aortic valve
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Question: Which blood vessel carries blood away from the heart to the rest of the body?
Question: Function of sympathetic system is to
(a) Decrease heart beat
(b) Increase heart beat
(c) Contract respiratory organ
(d) Secrete saliva
Question: The ECG method is needed to detect abnormalities in the heart for
(a) Coronary thrombosis
(b) Heart attack
(c) Heart block
(d) All these
Question: What is the function of the heart valves?
(a) To control the direction of blood flow
(b) To filter the blood
(c) To produce blood cells
(d) To regulate blood pressure
Question: Tricuspid valve in the heart of eutherians is present between
(a) Left auricle and left ventricle
(b) Right and left auricle
(c) Right auricle and right ventricle
(d) Right and left ventricle
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Question: What is the medical term for a heart attack?
(d) Myocardial infarction
Question: Which of the following is not a major blood vessel attached to the heart?
(b) Pulmonary artery
(c) Superior vena cava
(d) Renal artery
Ques. Increase in the blood pressure and heart beat is caused by the hormones
Question: If the vagus branch of frog is stimulate the heart will show
(a) Stoppage of heart beat
(b) Decreased heart beat
(c) Increased heart beat
(d) No change
Question: Which of the following factors can increase the risk of heart disease?
(c) High blood pressure
(d) All of the above
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Question: Which layer of the heart wall is responsible for contraction?
Question: How many chambers does a human heart has?
Ques. The hormone having a stimulatory effect on the heart is
Question: What is the maximum heart rate of an average healthy adult?
(a) 60 beats per minute
(b) 80 beats per minute
(c) 100 beats per minute
(d) 120 beats per minute
Ques. Heart beat is controlled by which cranial nerve
Ques. Neurogenic heart occurs in
Ques. The heart sound “DUP” in produced when
(a) Mitral valve opens
(b) Mitral valve closes
(c) Semilunar valve at the base of aorta closes
(d) Tricuspid valve opens