Shortly before menstruation:
A) blood levels of estrogen and progesterone decrease.
B) blood levels of estrogen and progesterone increase.
C) blood levels of FSH stabilize.
D) the corpus luteum secretes progesterone.
E) none of the above occur.
Ans: A) blood levels of estrogen and progesterone decrease.
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The cell bodies of sensory neurons are located in the
A. posterior root ganglion. B. anterior funiculus. C. gray commissure. D. anterior horn. E. posterior funiculus.
If you were in a desert without a food source, which nutrient would you like to have stored in your body in a large amount?
A) protein B) calcium C) vitamin B6 D) fat E) glycogen
An upregulated cell has an increase in
A) the number of receptors available for binding. B) the concentration of ligands that bind to the receptors. C) the amount of DNA in the nucleus. D) the number of molecules the cell secretes.
What do chemoreceptors monitor?
a. acidity b. protein or fat content of ingested food c. salt content d. osmolarity e. toxicity