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NCLEX Neurology Practice Questions Questions
Question 1 of 5
Our biological clock, which regulates the sleep-wake cycle, is housed within the
Correct Answer: B
Rationale: The suprachiasmatic nucleus in the hypothalamus controls the circadian rhythm, including sleep-wake cycles.
Question 2 of 5
The neuron processes that normally receives incoming stimuli are called:
Correct Answer: B
Rationale: Dendrites are the branched processes of neurons that receive incoming signals and convey them toward the cell body.
Question 3 of 5
The elevated ridges of tissue on the surface of the cerebral hemispheres are known as while the shallow grooves are termed
Correct Answer: B
Rationale: Gyri are the ridges and sulci are the grooves on the cerebral cortex, increasing surface area for neural processing.
Question 4 of 5
Preparing the body for 'fight-or-flight' response during threatening situations is the role of the:
Correct Answer: A
Rationale: The sympathetic nervous system activates the 'fight-or-flight' response, increasing heart rate and energy mobilization.
Question 5 of 5
If a patient cannot see the left-most part of his left visual field (but can see in all other areas), he may have a lesion
Correct Answer: A
Rationale: A left optic nerve lesion affects the entire left eye’s field, including the left-most part of the left visual field, without contralateral effects.