There are ________ cervical spinal nerves.
A. eight
B. six
C. fourteen
D. five
E. twelve
Answer: A
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The _________________ _________________ consists of a descending limb and an ascending limb.
Fill in the blank(s) with the appropriate word(s).
Reflux of gastric contents into the esophagus occurs because of
A. increased amounts of mucus produced by the stomach. B. increased hydrochloric acid production by the parietal cells. C. relaxation of the cardiac sphincter. D. spasms of the submucosal layer of the stomach wall. E. contraction of the pyloric sphincter.
Which are characteristic of type A blood? a: Has anti-A antibodiesb: Has anti-B antibodiesc: Has surface antigen A on its erythrocytesd: Has surface antigen B on its erythrocytese: Has neither surface antigen A nor B on its erythrocytesf: Will agglutinate with blood type B
A. a, c, f B. a, d, f C. a, c, d, f D. b, c, f E. b, c, d, f
How does estradiol increase the likelihood that an egg will be fertilized?
A. It inhibits the motility of uterine smooth muscle. B. It stimulates inhibin levels, which causes a surge of FSH. C. It increases libido, or sex drive, in women. D. It changes cervical mucus to a watery consistency that allows sperm to penetrate the cervix. E. It stimulates LH receptors that help maintain a corpus luteum.