ATI LPN
Neurology Exam Questions Questions
Question 1 of 5
Which of the following is NOT true of the parasympathetic nervous system?
Correct Answer: C
Rationale: Parasympathetic uses only acetylcholine, not norepinephrine (sympathetic). [Level: Comprehension]
Question 2 of 5
Which of the following best describes the concept of specificity in sensory nerve fibers that transmit only one modality of sensation?
Correct Answer: D
Rationale: The labeled line principle ensures each sensory fiber transmits one specific modality. TMP13 p. 595
Question 3 of 5
The first-order (primary afferent) cell bodies of the dorsal column-medial lemniscal system are found in which structure?
Correct Answer: C
Rationale: Primary afferent cell bodies of the dorsal column system are in the dorsal root ganglia. TMP13 pp. 609-610
Question 4 of 5
The gray matter of the primary somatosensory cortex contains six layers of cells. Which layer(s) receive the bulk of incoming signals from the somatosensory nuclei of the thalamus?
Correct Answer: D
Rationale: Layer IV receives the majority of thalamic somatosensory input. TMP13 p. 612
Question 5 of 5
Migraine headaches often begin with a prodromal symptom such as nausea, loss of vision, visual aura, or other sensory hallucinations. Which of the following is believed to be the cause of such prodromes?
Correct Answer: D
Rationale: Vasospasm causing ischemia in sensory cortex areas is thought to cause migraine prodromes. TMP13 p. 629