Answer to Question 1
ANS: C
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A Incorrect: This is not an adverse effect of quinine.
B Incorrect: This is not an adverse effect of quinine.
C Correct: This is a manifestation of cinchonism, a common adverse effect of quinine.
D Incorrect: This is not an adverse effect of quinine.
Answer to Question 2
ANS: D
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A Incorrect: It enters the bloodstream either by the bite of a mosquito or by the blood of an infected person.
B Incorrect: It is not a sexually transmitted disease.
C Incorrect: It usually does not cause symptoms until one-to-two weeks after transmission.
D Correct: This is what produces most of the clinical manifestations of malaria.