Top 150+ Solved Body fluids and Circulation MCQ Questions Answer
Q. Find the matching pair :
a. Lubb- sharp closure of AV valves at beginning of ventricular systole
b. Dub - sudden opening of semilunar valves at the beginning of ventricular systole
c. Pulsation of radial artery valves in blood vessels
d. Initiation of heart beat - Purkinje fibers
Q. Valves which allow blood from ventricles into arteries and not in opposite direction are
a. Aortic valve and mitral valve
b. AV valves and semilunar valves
c. Bicuspid and tricuspid valves
d. Semilunar valves and tricuspid valve
Q. Bundle of His is a network of
a. Muscle fibres distributed throughout heart walls
b. Muscle fibres found only in ventricle wall
c. Nerve fibres distributed in ventricles
d. Nerve fibres found throughout the heart
Q. Artificial pacemaker is usually implanted to correct the defect in
a. AV node
b. SA node
c. Purkinje fibers
d. Mitral valve
Q. Pulmonary vein carries oxygenated blood from
a. Heart to its walls
b. Heart to lungs
c. Lungs to heart
d. Heart to all body parts
Q. The sequence of cardiac cycle is
a. Atrial systole - ventricular systole - joint diastole
b. Atrial diastole - Atrial systole - ventricular diastole
c. Atrial systole - ventricular diastole - ventricular systole
d. ventricular diastole - ventricular systole - Atrial systole
Q. The blood returning to the heart from lungs via pulmonary vein has more
a. RBC per ml of blood
b. Haemoglobin per ml of blood
c. Oxygen per ml of blood
d. Nutrient per ml of blood
Q. Systemic heart refers to
a. The two ventricles together in humans
b. The heart that contracts under stimulation from nervous system
c. Left auricle and left ventricle in higher ventebrates
d. Entire heart in lower vertebrates
Q. In the heart of mammals the bicuspid valve is situated between
a. Left auricle and left ventricle
b. Post caval and right caval
c. Right auricle and left auricle
d. Right ventricle and pulmonary aorta
Q. The auriculo ventricular node in human heart was discovered by
a. Hiss
b. Lewis
c. Ringer
d. William Harvey
Q. The beating of heart of man is heard on the left side because
a. The left ventricle is toward the left side
b. Both the ventricles are towards the left side
c. Entire heart is on the left side
d. The aorta is on the left side
Q. Purkinje’s fibres are special types of
a. Muscle fibres located in heart
b. Nerve fibres located in cerebrum
c. Connective tissue fibers joining one bone to another bone
d. Sensory fibers extending from retina into optic nerve
Q. The pericardium and the pericardial fluid help in
a. Protecting the heart from friction, shocks and keeps it moist
b. Pumping the blood
c. Receiving the blood from various parts of the body
d. None of the above
Q. The posterior venacava
a. Divides into the hepataic portal veins
b. Opens into the left auricle
c. Commences at the kidney
d. Begins at the hind end of abdomen