Heart Biology Questions:
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
Which of these affects the heart?
(a) Bursitis
(b) Atrial fibrillation
(c) Laryngitis
(d) Haemorrhoids
What is the pacemaker of the heart?
(a) Aorta
(b) AV node
(c) SA node
(d) Bundle of His
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
Which one of the following is important during open heart surgery?
(a) Blood bag
(b) Oxygenator
(c) Both above
(d) Name of these
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
Related: female reproductive system quiz
Which blood vessel carries blood away from the heart to the rest of the body?
(a) Artery
(b) Vein
(c) Capillary
(d) Atrium
Function of sympathetic system is to
(a) Decrease heart beat
(b) Increase heart beat
(c) Contract respiratory organ
(d) Secrete saliva
The ECG method is needed to detect abnormalities in the heart for
(a) Coronary thrombosis
(b) Heart attack
(c) Heart block
(d) All these
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
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
Related: Connective tissue quiz
What is the medical term for a heart attack?
(a) Myocarditis
(b) Angina
(c) Arrhythmia
(d) Myocardial infarction
Which of the following is not a major blood vessel attached to the heart?
(a) Aorta
(b) Pulmonary artery
(c) Superior vena cava
(d) Renal artery
Which types of artificial heart valves has the risk of getting calcified in due course of time?
(a) Mechanical valves
(b) Tissue valves
(c) Natural valves
(d) All of the above
Increase in the blood pressure and heart beat is caused by the hormones
(a) Adrenalin
(b) Thyroxine
(c) Secretin
(d) Gastrin
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
Which of the following factors can increase the risk of heart disease?
(a) Smoking
(b) Obesity
(c) High blood pressure
(d) All of the above
Related: Food chain quiz answers
Which layer of the heart wall is responsible for contraction?
(a) Endocardium
(b) Myocardium
(c) Pericardium
(d) Epicardium
First open heart surgery was performed in
(a) 1953
(b) 1960
(c) 1980
(d) 1943
How many chambers does a human heart has?
(a) 5
(b) 4
(c) 3
(d) 2
The hormone having a stimulatory effect on the heart is
(a) Adrenaline
(b) Gastrin
(c) Glucagon
(d) Thyroxin
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
Heart beat is controlled by which cranial nerve
(a) X
(b) IX
(c) III
(d) V
Neurogenic heart occurs in
(a) Rat
(b) Rabbit
(c) Man
(d) Invertebrates
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
