Lactation normally does not occur during pregnancy because
A. the breast ducts do not develop until after a baby is born.
B. the high levels of estrogen and progesterone in maternal plasma inhibit prolactin effects on the breasts.
C. maternal plasma levels of prolactin are low during pregnancy.
D. high levels of androgens inhibit milk synthesis by the breasts.
E. the low levels of circulating estrogen and progesterone during pregnancy inhibit milk synthesis by the breasts.
B
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The full set of genetic information in an individual's chromosomes is called
A) pleiotype. B) allotype. C) phenotype. D) isotype. E) genome.
Medical imaging refers to invasive techniques and processes.?
Indicate whether the statement is true or false
During times of inadequate energy intake, or in cases of a high protein diet, amino acids may enter the aerobic respiration metabolic pathway at the same level as ________.
A. pyruvic acid B. citric acid cycle C. acetyl CoA D. All of the choices are correct.
Which of the following statements about a compound action potential recording is NOT true?
A. Each peak represents a group of axons of similar conduction velocity. B. Each peak represents a group of axons of similar diameter. C. The magnitude of each peak is a representation of the number of axons in that category. D. The magnitude of each peak is a representation of the amplitude of the individual APs in that category. E. The profile of peaks is characteristic and different for different peripheral nerves.