Heart is made up of:
A.Epicardium
B.Myocardium
C.Endocardium
D.All of these structures
Category: Circulatory System Mcqs
Compared to a vein in mammals, an artery:
A.Has thinner walls
B.Is located more superficially
C.Carries blood away from an organ
D.Has no internal valves
Which of the following valves in the heart of rabbit is tricuspid:
A.Left auriculo-ventricular valve
B.Right auriculo-ventricular valve
C.Eustachian valve
D.None of these
Blood to hind limbs is supplied by:
A.Pelvic artery
B.Iliac arteries
C.Hypogastric artery
D.Vesicular artery
Interchange of materials in the tissue occurs between:
A.Blood and lymph
B.Lymph and tissue fluid
C.Veins and tissue cells
D.Blood capillaries and tissue cells
A renal portal system is found in:
A.Rabbit
B.Man
C.Horse
D.Frog
Eustachian valve is present in rabbit at:
A.The opening of right precaval into right auricle
B.The opening of left precaval into right auricle
C.The opening of postcaval into right auricle
D.None of these
An artery differs from a vein in having:
A.Narrow lumen
B.Strong muscular walls
C.Pigmented wall to give them a dark appearance
D.Valves to control direction of blood flow
Which of the following organs can form antibodies:
A.Kidney
B.Stomach
C.Heart
D.Spleen
Cardiac muscles:
A.Contract quickly and get fatigued
B.Contract slowly and get fatigued
C.Contract slowly and do not get fatigued
D.Contract quickly and do not get fatifued
