ATI LPN
Neurological Questions Questions
Question 1 of 5
Within the primary somatosensory cortex, the various parts of the contralateral body surface are represented in areas of varying size that reflect which of the following?
Correct Answer: B
Rationale: Cortical representation size correlates with receptor density, not body part size or muscle size. TMP13 p. 612
Question 2 of 5
Damage to the sixth cranial nerve will produce which deficit in eye movement?
Correct Answer: D
Rationale: The sixth (abducens) nerve innervates the lateral rectus, enabling lateral movement away from the midline. TMP13 pp. 665-666
Question 3 of 5
Which molecules combine to form rhodopsin?
Correct Answer: D
Rationale: Rhodopsin forms from scotopsin and 11-cis-retinal. TMP13 pp. 649-650
Question 4 of 5
Which event occurs in photoreceptors during phototransduction in response to light?
Correct Answer: C
Rationale: Light increases cGMP hydrolysis, closing sodium channels. TMP13 pp. 651-652
Question 5 of 5
Which event prompts the auditory system to interpret a sound as loud?
Correct Answer: D
Rationale: Increased basilar membrane vibration amplitude enhances loudness perception. TMP13 pp. 676, 678