What are aggregated lymphoid nodules, and where are they located?
A. Mucous glands of the duodenal submucosa
B. Lymphatic follicles of the ileum
C. Peptic ulcers that may occur in the stomach or duodenum
D. Fatty, clublike appendages on the serosa of the colon
E. Lymphatic tissues of the oropharynx
Answer: B
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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 changes cervical mucus to a watery consistency that allows sperm to penetrate the cervix. D. It stimulates LH receptors that help maintain a corpus luteum. E. It increases libido, or sex drive, in women.
Somesthetic sensation is
a. initially processed by the frontal lobes of the cerebral cortex b. the awareness of body position c. equally sensitive for all regions of the body surface d. processed by the pyramidal cells e. none of the above
Leptin stimulates the release of melanocortins
Indicate whether the statement is true or false
From the ejaculatory duct, sperm cells travel directly into the:
A) seminal vesicle. B) prostatic part of the urethra. C) spongy part of the urethra. D) membranous part of the urethra. E) ductus deferens.