ATI LPN
Quizlet Adult Medical Surgical Head Injury Monitoring Neurological Status Questions
Question 1 of 5
A 6-year-old boy with albinism is taken to the ophthalmologist because of difficulty seeing. Testing shows that his visual acuity is reduced. Which of the following is the most likely cause of the decrease in visual acuity in this boy?
Correct Answer: D
Rationale: Albinism causes photophobia due to reduced melanin, scattering light and reducing acuity. TMP13 pp. 648-649
Question 2 of 5
Which cells in layer IV of the primary visual cortex detect orientation of lines and borders?
Correct Answer: D
Rationale: Simple cells in layer IV detect line orientation and borders. TMP13 p. 664
Question 3 of 5
In the central auditory pathway, which option represents the correct sequence of structures in the pathway?
Correct Answer: A
Rationale: The auditory pathway follows: cochlear nuclei → superior olive → inferior colliculus (lateral lemniscus) → medial geniculate → auditory cortex. TMP13 p. 679
Question 4 of 5
Which of the following allows the visual apparatus to accurately determine the distance of an object from the eye (depth perception)?
Correct Answer: D
Rationale: Stereopsis (binocular parallax) enables depth perception using both eyes. TMP13 p. 644
Question 5 of 5
Which retinal cells have action potentials?
Correct Answer: C
Rationale: Only ganglion cells in the retina produce action potentials. TMP13 p. 655