The cyclical process of contracting and relaxing of the precapillary sphincters is called ________.
Fill in the blank(s) with the appropriate word(s).
vasomotion
You might also like to view...
When epinephrine combines with alpha adrenergic receptors on smooth muscle in intestinal blood vessels, the blood vessels ________; however, when epinephrine binds to beta-2 adrenergic receptors on certain skeletal muscle blood vessels, the vessels ________.
Fill in the blank(s) with the appropriate word(s).
What is the GFR × plasma concentration equal to?
A) filtered load B) filtration fraction C) renal blood flow D) excretion rate E) clearance
Which tissue type is formed from mesoderm?
a. epidermis (outer layer) of skin b. nervous tissue c. smooth muscle tissue d. epithelial lining of the urinary bladder
During the micturition reflex,
A) stimulation of stretch receptors in the bladder wall sends impulses to the lumbar spinal cord. B) sympathetic motor neurons that control the detrusor muscle become active. C) the internal sphincter is consciously relaxed. D) the external sphincter is unconsciously relaxed. E) None of the answers is correct.