ATI LPN
Neurology Exam Questions Questions
Question 1 of 5
The lumbar plexus gives rise to the femoral nerve, which innervates muscles and skin in the:
Correct Answer: B
Rationale: The femoral nerve (L2-L4, lumbar plexus) innervates the anterior thigh/leg. [Level: Knowledge]
Question 2 of 5
The celiac ganglion, associated with the sympathetic nervous system, is involved in the innervation of the:
Correct Answer: B
Rationale: The celiac ganglion innervates the stomach and spleen (upper abdominal organs). [Level: Knowledge]
Question 3 of 5
A neuron that transmits nerve impulses from the central nervous system to muscles, glands and other organs is a(n) ______ neuron:
Correct Answer: B
Rationale: Motor (efferent) neurons carry signals from CNS to effectors. [Level: Knowledge]
Question 4 of 5
A stimulus will begin an action potential by:
Correct Answer: A
Rationale: A stimulus opens Na+ channels, causing depolarization. [Level: Knowledge]
Question 5 of 5
The white matter of the spinal cord:
Correct Answer: A
Rationale: White matter contains tracts for ascending/descending signals; grey has cell bodies/reflexes. [Level: Knowledge]