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WorksheetsHemodynamics & Cardiovascular repsonses
Total questions: 10
Worksheet time: 9mins
Hemodynamics refers to the study of blood flow
True
False
Which of the following does not control vasoconstriction and vasodilation extrinsically?
CNS
Chemoreceptors
RAAS system
Endothelial regulators
Blood pressure is controlled by several reflex mechanisms, including
the baroreceptor, cardiopulmonary receptor, chemoreceptor, and Bainbridge reflexes
True
False
Myogenic autoregulation ...
is directly
controlled by smooth muscle
provides protection against excessive arterial
wall stress
is independent of the endothelium
All of the above
Myochronic autoregulation is a type of vasoconstriction in arteries
True
False
During aerobic exercise, ___ in heart rate and stroke
volume contribute to the increase in cardiac output
Increase
Decrease
Maintenance
ACh and Sheer stress are both indications that arteries should undergo vaporization.
True
False
An increase in SV is the net result of ___ preload, ___afterload, and ___ contractility.
increased, increased, increased
decreased, decreased, decreased
Increased, decreased, increased
increased, increased, decreased
decreased, increased, decreased
During exercise, there is a redistribution of Q. A greater proportion of Q goes to skin, cardiac and skeletal muscles.
True
False
Exercise causes increased diastolic blood pressure
True
False
