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
b
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The human immunodeficiency virus (HIV) that causes the disease known as AIDS selectively infects ________ cells
A) B B) plasma C) cytotoxic T D) helper T E) suppressor T
A local increase in potassium increases the vasodilation of arterioles
Indicate whether the statement is true or false
Structure F is the
A) sphenoid bone. B) zygomatic process. C) temporal bone. D) zygomatic bone. E) middle concha.
Determine the effect of inhibin on male hormone production
A) Luteinizing hormone (LH) secretion will increase. B) The release of follicle-stimulating hormone (FSH) will decrease. C) Testosterone secretion will increase. D) Gonadotropin-releasing hormone (GnRH) secretion will decrease.