ATI RN
Questions About Nervous System Questions
Question 1 of 5
A client is scheduled for a lumbar puncture to obtain samples of cerebrospinal fluid (CSF). The nurse should explain that CSF is formed:
Correct Answer: A
Rationale: CSF is produced by the choroid plexus in the brain’s ventricles. Dura mater is a membrane, spinal canal contains CSF, subarachnoid space stores it.
Question 2 of 5
The basal ganglia comprise all of the following except the:
Correct Answer: D
Rationale: The basal ganglia include the putamen, caudate nucleus, and globus pallidus, involved in motor control. The infundibulum is a hypothalamic structure connecting to the pituitary gland, not part of the basal ganglia.
Question 3 of 5
Which property of blood is not monitored by the hypothalamus?
Correct Answer: C
Rationale: The hypothalamus monitors osmotic concentration (thirst), blood glucose, and amino acids for homeostasis, but PCO₂ (carbon dioxide) is primarily regulated by the medulla oblongata’s respiratory centers, not the hypothalamus.
Question 4 of 5
The meninx in contact with the brain and spinal cord is the:
Correct Answer: A
Rationale: The pia mater is the innermost meninx, directly adhering to the brain and spinal cord. The dura mater is outermost, arachnoid is middle, and 'perineural mater' is not a standard term.
Question 5 of 5
Body temperature, sensory perception, and the onset of sleep are partially regulated by the neurotransmitter:
Correct Answer: B
Rationale: Serotonin influences body temperature (hypothalamus), sensory perception (modulation), and sleep (via raphe nuclei). Glycine is inhibitory, acetylcholine aids arousal, dopamine affects movement, and enkephalins reduce pain.