The structure labeled 1 in the diagram is the
a) femoral nerve.
b) sciatic nerve.
c) pelvic splanchnic nerve.
d) pudendal nerve.
e) genitofemoral nerve.
c
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F the hematocrit is 40, then the volume occupied by the
a. red blood cells is 60 percent of the total blood volume b. white blood cells is 40 percent of the total blood volume c. red blood cells is 40 percent of the total blood volume d. plasma and other cellular elements is 40 percent of the total blood volume e. red blood cells is 40 percent of the total blood volume, and by the white blood cells is 60 percent of the total blood volume
In chemical signaling, which of the following is considered to be a second messenger?
A)Ligand B)Neurotransmitter C)Cyclic AMP D)Hormone E)G protein
Myasthenia gravis
a. is an autoimmune disease b. occurs when axons are unable to release adequate amounts of acetylcholine c. can be treated with a drug that temporarily inhibits acetylcholinesterase d. has characteristics a and c e. has none of the above characteristics
Where does an embryo usually attach to its mother?
A. To the perimetrium B. To the endometrium C. To the lining of the uterine tube D. To the myometrium E. To the lining of the vagina