ATI RN
Test Questions on Autonomic Nervous System MCAT Questions
Question 1 of 5
The electrical activity of the brain is recorded in the form of a(n):
Correct Answer: B
Rationale: An electroencephalogram (EEG) records brain electrical activity. An electrocardiogram is for the heart, myelogram images the spinal cord, and neurogram is not standard.
Question 2 of 5
Parkinson disease is caused by the destruction of the basal nuclei cells which produce which chemical?
Correct Answer: D
Rationale: Parkinson’s results from loss of dopamine-producing cells in the substantia nigra (part of basal nuclei), affecting movement.
Question 3 of 5
Which of the following is NOT a function of the reticular formation?
Correct Answer: D
Rationale: The reticular formation (brainstem) regulates alertness, sleep-wake cycles, and sensory/motor coordination, but emotion processing is limbic.
Question 4 of 5
Identify the cranial nerve that carries sensory information from the inner ear for balance and hearing.
Correct Answer: C
Rationale: The vestibulocochlear nerve (CN VIII) carries hearing and balance sensory input from the inner ear.
Question 5 of 5
Which of the following is NOT related to the sympathetic division of the autonomic nervous system?
Correct Answer: D
Rationale: The sympathetic division (fight-or-flight) originates from thoracic/lumbar regions with long postganglionic fibers, but digestion is primarily parasympathetic (rest-and-digest).