The trophoblast of the blastocyst is destined to become the
a. fetus
b. chorion
c. inner cell mass
d. amniotic sac
e. corpus luteum
B
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The process of lactation (milk production) depends on both merocrine and ________ secretion by mammary gland epithelial cells
A) epicrine B) eccrine C) holocrine D) apocrine E) endocrine
Under normal circumstances, the factors responsible for making delicate adjustments to the heart rate as circulatory demands change are __________.
a. nerve activity and muscular activity b. cardiac output and stroke volume c. autonomic activity and circulatory hormones d. all of the listed factors
What part of a feedback loop causes physiological responses to return the variable to the normal homeostatic range?
A) effector B) stimulus C) receptor (sensor) D) control center
Hepatic Kupffer cells:
a. Degrade bilirubin b. Have round, euchromatic nuclei and a cuboidal-shaped cytoplasm c. Phagocytize dying red blood cells d. Store vitamin A e. Synthesize angiotensinogen