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Hemodynamics & Cardiovascular repsonses

Total questions: 10

Worksheet time: 9mins

Name
Class
Date
1.

Hemodynamics refers to the study of blood flow

a)

True

b)

False

2.

Which of the following does not control vasoconstriction and vasodilation extrinsically?

a)

CNS

b)

Chemoreceptors

c)

RAAS system

d)

Endothelial regulators

3.

Blood pressure is controlled by several reflex mechanisms, including

the baroreceptor, cardiopulmonary receptor, chemoreceptor, and Bainbridge reflexes

a)

True

b)

False

4.

Myogenic autoregulation ...

a)

is directly

controlled by smooth muscle

b)

provides protection against excessive arterial

wall stress

c)

is independent of the endothelium

d)

All of the above

5.

Myochronic autoregulation is a type of vasoconstriction in arteries

a)

True

b)

False

6.

During aerobic exercise, ___ in heart rate and stroke

volume contribute to the increase in cardiac output

a)

Increase

b)

Decrease

c)

Maintenance

7.

ACh and Sheer stress are both indications that arteries should undergo vaporization.

a)

True

b)

False

8.

An increase in SV is the net result of ___ preload, ___afterload, and ___ contractility.

a)

increased, increased, increased

b)

decreased, decreased, decreased

c)

Increased, decreased, increased

d)

increased, increased, decreased

e)

decreased, increased, decreased

9.

During exercise, there is a redistribution of Q. A greater proportion of Q goes to skin, cardiac and skeletal muscles.

a)

True

b)

False

10.

Exercise causes increased diastolic blood pressure

a)

True

b)

False