This is medical MCQs section with detailed explanations for preparation of screening tests, interviews for government jobs. In this section candidate will learn MCQs on variety of topics from the subject.
Does not operate in the failing heart
Does not operate during exercise
Explains the increase in cardiac output that occurs when venous return is increased
Explains the increase in cardiac output when the sympathetic nerves supplying the heart stimulated
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Answer
: Explains the increase in cardiac output that occurs when venous return is increased
Explanation
: N/A
Systolic ejection
Isovolumetric relaxation
Isovolumetric contraction
None of the above
: None of the above
Heart rate
Peripheral resistance
Systolic blood pressure
Venous return
: Systolic blood pressure
30 ml
130 ml
70 ml
5 liters
: 70 ml
The bundle of His
All cardiac muscle
The sinoatrial node
The cervical ganglion
: The sinoatrial node
Closure of the aortic and pulmonary valves
Opening of the aortic and pulmonary valves
Closure of the mitral and tricuspid valves
Opening of the mitral and tricuspid valves
: Closure of the mitral and tricuspid valves
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