ATI RN
Questions About the Nervous System Questions
Question 1 of 4
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 2 of 4
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 3 of 4
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.
Question 4 of 4
Blockage of the flow of cerebrospinal fluid may result in:
Correct Answer: B
Rationale: Hydrocephalus results from CSF flow blockage, causing fluid buildup and pressure on the brain. Meningitis is infection, paraplegia is paralysis from spinal damage, and encephalitis is brain inflammation.