Which of the following is a principle hormone that releases milk into the mammary ducts?
a) Prolactin
b) PIH
c) PRH
d) Oxytocin
e) GnRH
d
You might also like to view...
During the time when the action potential moves through the sarcolemma a muscle twitch is in
A) contraction phase. B) relaxation phase. C) stimulus phase. D) latent period. E) isotonic period.
Which group of ophthalmic drugs promotes the outflow of aqueous humor by lifting the iris away from the filtration angle area?
a. miotic drugs b. topical anesthetics c. mydriatic drugs d. osmotic drugs
Removal of old organelles is via a process called
A. pinocytosis. B. autolysis. C. autophagy. D. vascularization. E. filtration.
In excitation-contraction coupling,
A. myosin heads bind to exposed active sites on actin. B. ATP binds to actin myofilaments. C. Ca2+ must bind with myosin to expose active sites on actin. D. movement of the troponin-tropomyosin complex causes actin myofilaments to slide. E. cross-bridges form between myosin heads and Ca2+.