ATI LPN
Neurology Exam Questions Questions
Question 1 of 5
Which of the following statements regarding the nervous system is true?
Correct Answer: B
Rationale: Motor neurons transmit signals from the CNS to effector cells (muscles, glands), while sensory neurons carry signals from receptors to the CNS. The PNS includes nerves and ganglia, and the CNS includes both brain and spinal cord.
Question 2 of 5
The relationship between spinal nerves and the spinal cord is most like the relationship between
Correct Answer: C
Rationale: Spinal nerves branch off the spinal cord like roads from a highway, carrying signals to and from the periphery.
Question 3 of 5
Which of the following brain regions controls the secretion of pituitary hormones and exerts direct control over many other aspects of homeostasis?
Correct Answer: B
Rationale: The hypothalamus regulates pituitary hormone release and homeostasis (e.g., temperature, hunger).
Question 4 of 5
The nervous system is the centre of all mental activity including all the following except
Correct Answer: C
Rationale: The nervous system governs mental activities like thinking, learning, and memory, but digestion is primarily controlled by the enteric nervous system and autonomic regulation, not mental activity.
Question 5 of 5
The Schwann cells form a myelin sheath around the:
Correct Answer: D
Rationale: Schwann cells wrap around axons in the PNS to form a myelin sheath, enhancing impulse conduction, not around dendrites, cell bodies, or nodes.