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Which of the following statement is correct?
(A) Volume of blood ejected from left ventricle per heart beat is stroke volume
(B) Volume of blood ejected from left ventricle per hour is stroke volume
(C) Volume of blood pumped from left ventricle per day is stroke volume
(D) None of them

Which one of the following is known as pacemaker of human heart?
(A) AV Node (B) SA Node
(C) Chordae tendinae (D) Mitral valve

A person with headache and chest pain consulted a Physician. Doctor checked his blood
pressure and said it is due to hypertension. Which of the following is his possible systolic
pressure?

(A) 120 (B) 75
(0) 115 (D) 146

Chamber of heart which receive deoxygenated blood from all parts of the body is :
(^) Left auricle (8) Left ventricle
(C) Right auricle (D) Right ventricle

Increase in heartbeat is :
(A) Tachycardia ൯) Bradycardia
(C) Angina ൯) Ischemia

In ECG QRS complex represent :
(^) Repolarisation of ventricle ൯) Depolarisation of ventricle
(೮) Depolarisation of auricle (D) Repolarisation of auricle

The muscle which is immune to fatigue is :
(A) Cardiac muscle (B) Striated muscle
(C) Non striated muscle (D) None of them

The average cardiac output of a normal resting person is :
(^) 7 litres /minute (B) 10 litres /minute
(C) 8 litres /minute (D) 5 litres/minute

Which of the following has thickest wall?
(^) Right auricle (B) Right ventricle
(C) Left ventricle (D) Left auricle

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