Active hyperemia

a. refers to the arteriolar dilation that occurs within a tissue in response to local chemical changes that accompany increased metabolic activity of the tissue.
b. refers to local arteriolar mechanisms that are aimed at keeping tissue blood flow fairly constant in spite of rather wide deviations in mean arterial driving pressure.
c. refers to the increase in blood flow to a tissue that occurs after removal of an occlusion of its blood supply.
d. is important in maintaining an adequate pressure head to drive blood forward into a tissue.
e. none of these answers.


A

Anatomy & Physiology

You might also like to view...

A cochlear implant treats

A. otosclerosis. B. a torn tympanic membrane. C. conductive deafness. D. sensorineural deafness.

Anatomy & Physiology

Symptoms of plantar fascitis include which of the following?

A. pain in the arch B. pain in the heel C. pain on top of the foot D. both A and B E. all of the above

Anatomy & Physiology

Maximizing tangential acceleration is important in which of the following situations?

A. punting a football for distance B. serving a tennis ball C. throwing a dart D. both A and B E. all of the above

Anatomy & Physiology

Muscle and Landmark Identification Round Robin

What will be an ideal response?

Anatomy & Physiology