ATI LPN
Neurology Exam Questions Questions
Question 1 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 2 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
Question 3 of 5
The condition of cataracts is usually the result of which process or condition?
Correct Answer: D
Rationale: Cataracts result from protein coagulation in the lens, causing opacity. TMP13 p. 642
Question 4 of 5
Analysis of visual detail occurs in which secondary visual area?
Correct Answer: B
Rationale: Visual detail analysis occurs in the inferior ventral and medial occipital/temporal cortex. TMP13 pp. 662-664
Question 5 of 5
During photoreception, all the following increase except
Correct Answer: C
Rationale: Light activates transducin and phosphodiesterase, increasing cGMP hydrolysis and metarhodopsin II, but cAMP remains unchanged. TMP13 pp. 650-652