ATI LPN
Neurological Assessment Questions Questions
Question 1 of 5
Which of the following is NOT a function of the reticular formation?
Correct Answer: D
Rationale: Reticular formation regulates alertness/sleep, not directly emotions (limbic system). [Level: Knowledge]
Question 2 of 5
In general, afferent nerves carry sensory information:
Correct Answer: A
Rationale: Afferent nerves carry sensory input to the CNS. [Level: Knowledge]
Question 3 of 5
A transmitter substance released from a presynaptic neuron activates a second messenger G-protein system in the postsynaptic neuron. Which one of the following postsynaptic responses to the transmitter substance is NOT a possible outcome?
Correct Answer: D
Rationale: G-protein activation can open ion channels, activate cAMP/cGMP, or trigger gene transcription, but not directly close ion channels. TMP13 pp. 583-584
Question 4 of 5
The pathway of which system crosses in the ventral white commissure of the spinal cord within a few segments of entry and then courses to the thalamus contralateral to the side of the body from which the signal originated?
Correct Answer: A
Rationale: The anterolateral system crosses in the ventral white commissure near entry, ascending contralaterally. TMP13 pp. 616-617
Question 5 of 5
Which of the following is the basis for referred pain?
Correct Answer: D
Rationale: Convergence of visceral and somatic pain signals onto dorsal horn neurons causes referred pain. TMP13 p. 626