ATI LPN
Medical Surgical Nursing Neurological Disorders Questions
Question 1 of 5
Decussation refers to the crossing over of nerve fibers from one side of the nervous system to the other. Which structure in the brainstem is known for the prominent decussation of motor fibers?
Correct Answer: A
Rationale: The medulla oblongata is where corticospinal tracts decussate (pyramidal decussation). [Level: Knowledge]
Question 2 of 5
Which cranial nerve is responsible for eye movement and pupil constriction?
Correct Answer: B
Rationale: The oculomotor nerve (CN III) controls eye movement and pupil constriction. [Level: Knowledge]
Question 3 of 5
The primary symptom of hydrocephalus is often:
Correct Answer: B
Rationale: Headache and vomiting occur due to increased intracranial pressure from CSF buildup. [Level: Knowledge]
Question 4 of 5
A bundle of axons in the central nervous system is a:
Correct Answer: D
Rationale: Tracts are axon bundles in the CNS; nerves are in the PNS. [Level: Knowledge]
Question 5 of 5
Which of the following accounts for the movement of neurotransmitters across a synaptic cleft?
Correct Answer: D
Rationale: Neurotransmitters diffuse across the synaptic cleft passively. [Level: Knowledge]