ATI RN
Questions About the Nervous System Questions
Question 1 of 5
The nurse asks a client to stick out the tongue. The nurse is testing the function of what cranial nerve?
Correct Answer: D
Rationale: CN XII (hypoglossal) controls tongue movement. CN III (oculomotor), VI (abducens), and IX (glossopharyngeal) affect eyes or swallowing/taste, not tongue protrusion.
Question 2 of 5
Which is not a lobe of the cerebrum?
Correct Answer: D
Rationale: The cerebrum has four lobes: frontal, parietal, occipital, and temporal. The insula (insular) is a region within the cortex, not a distinct lobe. 'Sphenoidal' is not a recognized lobe, likely referring to the sphenoid bone, not brain anatomy.
Question 3 of 5
The inability of a patient to perceive pain might be due to a tumor or trauma of the:
Correct Answer: D
Rationale: The thalamus relays sensory signals, including pain, to the cortex. Damage here can impair pain perception. The insula processes taste/emotion, hypothalamus regulates homeostasis, red nucleus aids motor coordination, and pons handles respiration.
Question 4 of 5
An abnormal production of antidiuretic hormone (ADH) could result from a dysfunction of the:
Correct Answer: A
Rationale: The hypothalamus produces ADH, which is stored and released by the pituitary gland. Dysfunction here could disrupt ADH production. The pituitary releases it, but the hypothalamus is the source.
Question 5 of 5
The spinal cord ends at the level of the:
Correct Answer: B
Rationale: The spinal cord ends at the conus medullaris, typically around L1-L2 (first lumbar vertebra) in adults, not extending to the coccyx, sacrum, or sciatic nerve.