单选题 Which signs and symptoms are associated with an acoustic neuroma?
A. Amenorrhea and obesity.
B. Acromegaly.
C. Ataxia and intention tremor.
D. Unilateral hearing loss and tinnitus.

【正确答案】 D

【答案解析】Unilateral hearing loss that occurs over an extended time and tinnitus are classic signs and symptoms of an acoustic neuroma. Amenorrhea, obesity, and acromegaly are signs of a pituitary tumor. Ataxia and intention tremors are seen with a cerebellar brain tumor.