ATI LPN
Neurological Disorders in Medical Surgical Nursing Questions
Question 1 of 5
The release of neurotransmitter at a chemical synapse in the central nervous system is dependent upon which of the following?
Correct Answer: D
Rationale: Calcium influx through voltage-gated channels in the presynaptic terminal triggers neurotransmitter release. TMP13 p. 582
Question 2 of 5
Which of the following is a group of neurons in the pain suppression pathway that uses enkephalin as a neurotransmitter?
Correct Answer: C
Rationale: The periaqueductal gray area uses enkephalin in the pain suppression pathway. TMP13 p. 625
Question 3 of 5
Which statement concerning sensory neurons or their functional properties is true?
Correct Answer: B
Rationale: Spatial summation increases signal strength by recruiting more fibers. TMP13 p. 600
Question 4 of 5
Which of the following best describes the 'blind spot' of the eye?
Correct Answer: B
Rationale: The blind spot is the optic nerve exit, lacking photoreceptors, located ~15 degrees lateral to central vision. TMP13 p. 665
Question 5 of 5
Ganglion cells attached to photoreceptors located on the temporal portion of the retina project to which structure?
Correct Answer: B
Rationale: Temporal retina ganglion cells project ipsilaterally to the lateral geniculate nucleus. TMP13 p. 661