ATI RN
Autonomic Nervous System NCLEX Questions Questions
Question 1 of 5
The third ventricle is a midline cavity within the diencephalon and is connected to the fourth ventricle by the:
Correct Answer: B
Rationale: The aqueduct of Sylvius links the third and fourth ventricles. Foramen of Monro is lateral-third, canal is spinal, magnum is exit.
Question 2 of 5
Cerebral tracts that carry information from the cerebrum to the lower parts of the central nervous system are known as:
Correct Answer: B
Rationale: Projection tracts (e.g., corticospinal) carry signals from cerebrum to lower CNS. Others connect differently.
Question 3 of 5
The basal nuclei, part of the motor system, are involved in the initiation and control of:
Correct Answer: A
Rationale: Basal nuclei (ganglia) initiate and refine voluntary movements.
Question 4 of 5
The thalamus serves as a relay station for sensory information, directing it to the appropriate regions of the cerebral cortex, and is part of the:
Correct Answer: A
Rationale: The thalamus in the diencephalon relays sensory input to the cortex.
Question 5 of 5
The phrenic nerve, essential for controlling the diaphragm, is a major branch of the:
Correct Answer: A
Rationale: The phrenic nerve (C3-C5) from the cervical plexus controls the diaphragm.