A positive serological test for tuberculosis indicates that the patient
A. is immune to tuberculosis.
B. is an asymptomatic carrier of tuberculosis.
C. has active tuberculosis.
D. has been exposed to tuberculosis.
Answer: D
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Mammals that have and care for only a few offspring are likely to exhibit a:
a. type I survivorship curve. b. type II survivorship curve. c. type III survivorship curve. d. type IV survivorship curve.
All EXCEPT which of the following hormones are in
some way responsible for the production of sperm? a. luteinizing hormone b. follicle-stimulating hormone c. gonadotropic-releasing hormone d. testosterone e. human chorionic gonadotropin
Which of the following is false?
a. All mammals have either an estrous or a menstrual cycle. b. Some primates have a menstrual cycle. c. Some female primates may be physically and behaviorally receptive to sexual activity at any time. d. About 10% of detected pregnancies end in miscarriage. e. Mifepristone (RU-486) is approved to indiuce abortion any time during the first six months.
Answer the following questions in reference to the four groups of fungi listed below.
A. The common black bread mold is a member of this group. B. The yeast used in the fermentation of grape juice to produce the wines of the world is a member of this group. C. The delicious, highly-prized truffle is a member of this group. D. Puffballs and stinkhorns are members of this group. E. Members of this group form mycorrhizae with plant roots.