ATI RN
Autonomic Nervous System NCLEX Questions Questions
Question 1 of 5
The ventral root of the spinal cord contains fibers and the dorsal root of the spinal cord contains fibers.
Correct Answer: B
Rationale: Ventral roots carry motor (efferent) fibers to muscles; dorsal roots carry sensory (afferent) fibers to the CNS.
Question 2 of 5
What cerebral area is important for muscular control of speech?
Correct Answer: A
Rationale: Broca’s area (frontal lobe) controls the motor aspects of speech production. Wernicke’s is for comprehension.
Question 3 of 5
Which of the following is NOT a component of the brainstem?
Correct Answer: A
Rationale: The brainstem includes midbrain, pons, and medulla oblongata. The diencephalon (thalamus, hypothalamus) is above the brainstem.
Question 4 of 5
Which of the following cranial nerves does NOT help control eye movement?
Correct Answer: A
Rationale: The optic nerve (CN II) is sensory (vision), not motor. Oculomotor (III), abducens (VI), and trochlear (IV) control eye muscles.
Question 5 of 5
Which sequence of a reflex arc is correct?
Correct Answer: A
Rationale: A reflex arc sequence is: receptor (detects stimulus), sensory neuron (to CNS), interneuron (integration), motor neuron (to effector), effector (response).