ATI LPN
Medical-Surgical Nursing Neurological System Questions
Question 1 of 5
Which somatosensory deficit is NOT typically seen after the development of lesions that involve the postcentral gyrus?
Correct Answer: D
Rationale: Postcentral gyrus lesions impair sensation, not motor function (precentral gyrus). TMP13 p. 613
Question 2 of 5
A 60-year-old woman visits the ophthalmologist because of eye pain. Tests show that her right eye has an intraocular pressure of 22 mm Hg and her left eye has an intraocular pressure of 25 mm Hg. Which of the following is the most likely cause of eye pain in this woman?
Correct Answer: C
Rationale: Open-angle glaucoma, with increased trabecular meshwork resistance, raises intraocular pressure, causing pain. TMP13 p. 646
Question 3 of 5
Which of the following best describes when the transmission of sound waves in the cochlea occurs?
Correct Answer: A
Rationale: Sound transmission occurs when the stapes pushes the oval window, displacing fluid and bulging the round window. TMP13 p. 673
Question 4 of 5
After olfactory receptor cells bind odor molecules, a sequence of intracellular events occurs that culminates in the entrance of specific ions that depolarize the olfactory receptor cell. Which ions are involved?
Correct Answer: D
Rationale: Sodium ions enter, depolarizing olfactory receptors due to their high sensitivity. TMP13 p. 690
Question 5 of 5
Which muscle is contracted as part of the pupillary light reflex?
Correct Answer: C
Rationale: The pupillary sphincter contracts to constrict the pupil in the light reflex. TMP13 p. 672