MCQ B.6.1. - BasicPhysiology.org

B.6.1. Regulation of the Heart

Created on May 20, 2023 By

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MCQ B.6.1.

Regulation of the Heart

1 / 4

If the venous return to the right atrium has, for some reason, increased, what will immediately happen?

Heart rate will increase because of an increased stretch of the sinus node

Heart rate will decrease because of an increased stretch of the sinus node

Heart rate will decrease because of a decreased stretch of the sinus node

Heart rate will increase because of a decreased stretch of the sinus node

2 / 4

Which of the following regulatory systems is not an intrinsic system?

Stretch of the sinus node

The Frank-Starling system

The Bainbridge reflex

Stretch of the ventricular wall

Stretch of the atrial wall

3 / 4

Which parameter is crucial in a proper function of the Frank-Starling system?

The end-diastolic volume

The end-systolic volume

The cardiac frequency

The blood pressure in the aorta

4 / 4

Which intrinsic system affects both ventricles equally?

Stretch of the sinus node

The Frank-Starling system

The Bainbridge reflex

The venous return

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