1. Tricuspid valve is present between the
a) Two atria
b) Two ventricles
c) Left atrium and left ventricle
d) Right atrium and right ventricle
Explanation: Tricuspid valve is present between the right atrium and right ventricle
2. Chordae tendinae are found in
a) Joints
b) Atria of heart
c) Ventricles of heart
d) Ventricles of brain
Explanation: Chordae tendinae are found in ventricles of heart
3. Ventricles are thick-walled as compared to atrium because
a) It is to receive blood from atria
b) It is present on the posterior side
c) It has to pump blood
d) None of these
Explanation: Ventricles are thick-walled as compared to atrium because it has to pump blood
4.Papillary muscles are located in
a) Heart ventricles of human
b) Dermis of mammalian skin
c) Orbits of vertebrate eyes
d) Pylorus of vertebrate stomach
Explanation: Heart ventricles of human
5. Purkinje fibres are found in
a) Brain
b) Kidneys
c) Skin
d) Heart
Explanation: Purkinje fibres are found in heart
6. Which of the following has the thickest wall?
a) Left auricle
b) Left ventricle
c) Right auricle
d) Right ventricle
Explanation: Left ventricle
7. ‘Heart of heart’ is
a) SA node
b) AV node
c) Bundle of HIS
d) Purkinje fibres
Explanation: SA node
8. SA node is located in
a) Upper left corner of right atrium
b) Lower left corner of left atrium
c) Lower right corner of left atrium
d) Upper right corner of right atrium
Explanation: SA node is located in upper right corner of right atrium
9. Human heart is
a) Neurogenic
b) Myogenic
c) Cardiogenic
d) Digenic
Explanation: Myogenic
10. Which of the following term does not apply to human heart?
a) Pacemaker
b) Four chambered
c) Mitral valve
d) Neurogenic
Explanation: Neurogenic