ATI RN
Questions About Nervous System Questions
Question 1 of 5
Coordination via the nervous system differs from that via the endocrine system in that the former:
Correct Answer: A
Rationale: Nervous system responses are rapid, precise, and localized (e.g., reflexes), unlike the slower, diffuse, longer-lasting endocrine system (hormones).
Question 2 of 5
The nurse is assessing the sensory function of the cranial nerves. The nurse recalls that which nerve has only sensory function?
Correct Answer: C
Rationale: CN VIII (vestibulocochlear) is purely sensory (hearing, balance). Facial, vagus, and trigeminal are mixed nerves with sensory and motor functions.
Question 3 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 4 of 5
The three initial developmental regions of the brain are the:
Correct Answer: B
Rationale: The three primary brain vesicles during early development are the prosencephalon (forebrain), mesencephalon (midbrain), and rhombencephalon (hindbrain). Telencephalon and diencephalon are subdivisions of the prosencephalon, while metencephalon and myelencephalon are subdivisions of the rhombencephalon.
Question 5 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.