ATI LPN
Neurological Disorders in Medical Surgical Nursing Questions
Question 1 of 5
-------------contain only afferent fibers, long dendrites of sensory neurons.
Correct Answer: B
Rationale: Sensory nerves carry only afferent (sensory) fibers from receptors to the CNS, unlike cranial or mixed nerves (which may have both sensory and motor), or motor nerves (efferent).
Question 2 of 5
Control of temperature, endocrine activity, metabolism, and thirst are functions associated with the:
Correct Answer: C
Rationale: The hypothalamus regulates homeostasis, including temperature, endocrine function, metabolism, and thirst.
Question 3 of 5
Hemorrhage of the main blood vessel which supplies the basal ganglia (e.g. caudate, putamen, and globus pallidus) is likely to involve which other nearby structure:
Correct Answer: D
Rationale: The lenticulostriate arteries supply the basal ganglia and the nearby internal capsule, a white matter tract, making it prone to involvement in hemorrhage.
Question 4 of 5
In what ways are simple and complex cells in the primary visual cortex different?
Correct Answer: A
Rationale: Both are orientation selective; simple cells have distinct ON/OFF regions, complex cells respond to motion across a broader field.
Question 5 of 5
The vestibular-ocular reflex
Correct Answer: B
Rationale: The VOR, driven by semicircular canals (angular motion), stabilizes gaze in darkness, countering head movement.