ATI RN
Test Questions on Autonomic Nervous System MCAT Questions
Question 1 of 5
The largest part of the human brain responsible for higher cognitive functions, such as thinking and problem-solving, is the:
Correct Answer: D
Rationale: The cerebrum handles higher functions (e.g., thinking). Cerebellum coordinates, brainstem regulates vitals.
Question 2 of 5
The primary visual cortex, involved in visual perception, is located in the:
Correct Answer: D
Rationale: The primary visual cortex (V1) in the occipital lobe processes vision.
Question 3 of 5
The hypothalamus is a key component of the endocrine system, controlling the release of hormones from the:
Correct Answer: A
Rationale: The hypothalamus controls the pituitary gland via releasing hormones.
Question 4 of 5
Ventral roots of spinal nerves consist of:
Correct Answer: B
Rationale: Ventral roots carry motor (efferent) fibers only.
Question 5 of 5
Myasthenia gravis is due to receptors being blocked and destroyed by antibodies.
Correct Answer: C
Rationale: Myasthenia gravis involves antibodies blocking/destroying nicotinic acetylcholine receptors at neuromuscular junctions. Epinephrine is a neurotransmitter, 'transient' is unclear.