________ is released from type II cells to stimulate primary gustatory neurons.
A) Serotonin
B) Glutamine
C) Gustducin
D) Acetylcholine
E) ATP
E) ATP
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Name the type of membrane channel that opens in response to chemical binding and is found in dendrites of some sensory receptors like pain receptors, and in the dendrites and cell bodies of interneurons and motor neurons
a) leakage channel b) ligand-gated channels c) mechanically gated channels d) voltage-gated channels e) pressure-sensitive channel
Parietal cells secrete the hormone gastrin into the blood in response to protein products in the stomach lumen and in response to alcohol
a. True b. False Indicate whether the statement is true or false
The sympathetic nervous system
a. is always excitatory. b. innervates only tissues concerned with protecting the body against challenges from the outside environment. c. dominates in fight-or-fight situations. d. is part of the somatic nervous system. e. is part of the afferent division of the peripheral nervous system.
The corpus luteum
a. develops from the polar body after ovulation. b. develops from the fertilized ovum through a process of division and differentiation. c. develops from the ruptured follicle after ovulation. d. of pregnancy is stimulated by estrogen and progesterone secretion from the placenta. e. is sloughed during menstruation if fertilization does not occur.