What sign/symptom of a patient would cause the nurse to suspect cerebral spinal fluid leakage?

Choice a) is incorrect because Parkinson's disease is not an acute condition, but a chronic one that develops over time.

Choice b) is incorrect because Parkinson's disease is not associated with decreased levels of acetylcholine, but with decreased levels of dopamine. Acetylcholine is another neurotransmiter that is involved in muscle movement and memory.

Choice c) is incorrect because Parkinson's disease is not an acute condition, nor is it associated with decreased levels of acetylcholine.

Choice d) is correct because Parkinson's disease is a slow, progressive neurologic movement disorder that results from the loss of dopamine-producing cells in the brain. Dopamine is a neurotransmiter that helps regulate movement, mood, and motivation.

Choice A: Altered level of consciousness is not a sign/symptom of cerebral spinal fluid leakage, but rather a sign/symptom of increased intracranial pressure or brain injury.

Choice B: Painful headache is not a sign/symptom of cerebral spinal fluid leakage, but rather a sign/symptom of meningitis or sinusitis.

Choice C: Salty taste in their mouth, postnasal drip or clear fluid draining from the nose is a sign/symptom of cerebral spinal fluid leakage, as it indicates that the fluid is escaping from the brain or spinal cord through a tear or hole in the meninges or skull.

Choice D: All of the above is not correct, as only choice C is a sign/symptom of cerebral spinal fluid leakage.