Which hormone stimulates glucocorticoid secretion?
A. GHIH
B. GHRH
C. CRH
D. ACTH
E. TSH
Answer: D
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Non-sex chromosomes are called
A) homologous. B) homozygous. C) heterozygous. D) autosomal. E) chromatids.
Osteomalacia is
A. a disease in adults characterized by softening of bones resulting from calcium depletion. B. bone inflammation that often results from bacterial infection. C. a disease in children characterized by soft, bowed, and swollen bones. D. a disease in adults, especially women, characterized by a reduced amount of bone matrix. E. a group of genetic disorders producing very brittle bones that are easily fractured; occurs because of insufficient collagen development.
Nancy is 8 months pregnant. Her physician mentioned that the placental LH-like hormone levels had decreased. Should Nancy be concerned?
A. Yes; a drop in the secretion of an LH-like substance this late in the pregnancy will disrupt normal embryonic development. B. No; the placenta doesn't normally secrete an LH-like substance at any time during pregnancy. C. Yes; the secretion of an LH-like substance by the placenta throughout the pregnancy is necessary to maintain the pregnancy. D. No; the secretion of an LH-like substance by the placenta is important in the first trimester, and Nancy's pregnancy is beyond the first trimester.
The corrective lens for those with myopia is ________, which will diverge the light rays so that they focus on the retina.
A. convex B. concave