ATI LPN
Medical Surgical Neurology Questions
Question 1 of 5
Which statement concerning the generation of an action potential is correct?
Correct Answer: D
Rationale: An action potential, once initiated, is an all-or-none event that completes its course. TMP13 p. 589
Question 2 of 5
Which cell type(s) have action potentials in the retina of the human eye?
Correct Answer: D
Rationale: Only ganglion cells in the retina generate action potentials. TMP13 pp. 655, 656, 658
Question 3 of 5
The stereocilia of hair cells are embedded in which membrane?
Correct Answer: C
Rationale: Hair cell stereocilia are embedded in the tectorial membrane. TMP13 p. 677
Question 4 of 5
A 29-year-old student with 20/20 vision looks at a beautiful scene. The axons of ganglion cells transmitting visual signals in the form of action potentials to the primary visual cortex are most likely to synapse in which structure?
Correct Answer: A
Rationale: Ganglion cell axons synapse in the lateral geniculate nucleus before reaching the visual cortex. TMP13 pp. 661-662
Question 5 of 5
The first central synapse for neurons transmitting the sweet taste sensation is in which structure?
Correct Answer: B
Rationale: Taste fibers synapse in the nucleus of the solitary tract. TMP13 pp. 687-688