Monica takes the drug Accutane throughout her pregnancy, and her child has birth defects, due to the exposure. Accutane is a(n)
A. mutagen.
B. teratogen.
C. estrogen.
D. carcinogen.
Answer: B
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Select the correct statement about the uterine cycle
A) During the secretory phase, estrogen levels are at their highest. B) The menstrual phase of the cycle is normally from day 1 to day 8. C) During the proliferative phase, levels of progesterone rise as the follicle begins to produce more hormone. D) If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
Deep white matter of the cerebrum is called
A) projection fibers. B) fissures. C) cerebral nuclei. D) the cerebral cortex. E) None of the answers are correct.
Primary polycythemia is caused by a tumor-like condition of:
a. liver b. spleen c. kidneys d. bone marrow e. GI tract