Bone cells contain genes for nerve cells that have been repressed
a. true
b. false
Ans: a. true
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If a person contracted meningitis (an inflammation of the meninges due to infection), which specific nervous structures would be inflamed and swollen?
A. The brain and spinal cord B. The pia mater, arachnoid mater, and dura mater C. Nerve tracts that run up and down the spinal cord D. The membranes that delineate all of the major brain parts
Autonomic ganglia contain ________
A) the cell bodies of motor neurons B) both somatic afferent and efferent neurons C) synapses between postganglionic fibers and their effectors D) an outer connective tissue capsule around the cell bodies of preganglionic motor neurons
The hormone oxytocin aids the birth process by stimulating
A) an increase in estrogen secretion. B) an increase in progesterone secretion. C) fetal muscular movements. D) uterine wall contractions.
Prostacyclin
a. activates the clotting cascade b. induces vasoconstriction of an injured vessel c. inhibits platelet aggregation d. is released by aggregated platelets e. dissolves the clot