Drugs are used to treat opportunistic infections in AIDS patients because their immune systems are unable to defend against ________ infections
A) bacterial
B) fungal
C) viral
D) all of the above
Answer: D
A) This is true, but it is not the only correct answer.
B) This is true, but it is not the only correct answer.
C) This is true, but it is not the only correct answer.
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John is a basketball player. He should perform a warm-up of at least _____ before he begins to play basketball.
A. 3 minutes B. 5 minutes C. 10 minutes D. 20 minutes E. 45 minutes
A/An ____________________ is the surgical removal of the lining of a portion of a clogged carotid artery leading to the brain.?
Fill in the blank(s) with correct word
The term ____________________ describes blindness in one half of the visual field.?
Fill in the blank(s) with correct word
Scientists from the National Institute of Aging believe that in the coming decades the average life-span may decrease by as much as ____ years.​
a.​3 b.5​ c.7​ d.9​ e.11​