Which sex tends to lose more bone mass with aging?
A. Men
B. Women
Answer: B
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How long is the period of gestation (pregnancy) in humans from conception?
a. about 33 weeks b. about 34 weeks c. about 36 weeks d. about 38 weeks e. about 40 weeks
Prostate cancer is ________
A) sometimes a slow-growing cancer that may never represent a threat to the patient B) the number-one cause of death in men C) often the result of a distortion of the urethra D) most common in Asians
During the initial examination of a 3.6kg(8lb) male infant delivered at term, urine is found to be leaking from the umbilicus. This infant most likely has an abnormality of which of the following fetal structures?
A. Umbilical arteries B. Umbilical vein C. Urachus D. Urogenital sinus E. Urorectal septum
Which immune disorder results in deterioration of the myelin sheath in the CNS?
A. Tay-Sachs disease B. Spina bifida C. Multiple sclerosis D. Anencephaly E. Parkinson's disease