ATI LPN
Neurological Assessment Questions Questions
Question 1 of 5
A 53-year-old woman with celiac disease visits the physician because of difficulty seeing at night. The woman has frequent, foul-smelling stools. Stool analysis reveals a high content of partially digested fat. A decrease in blood levels of which of the following is the most likely cause of her night blindness?
Correct Answer: D
Rationale: Vitamin A malabsorption in celiac disease reduces rhodopsin synthesis, causing night blindness. TMP13 pp. 648-649
Question 2 of 5
Loss of which structure is most likely to contribute to the hearing deficit?
Correct Answer: B
Rationale: Noise-induced hearing loss primarily damages inner hair cells, the sensory receptors. TMP13 pp. 682, 683
Question 3 of 5
Which statement regarding the transmission of auditory information from the ear to the cerebral cortex is correct?
Correct Answer: C
Rationale: Most cochlear nuclei neurons synapse contralaterally in the superior olivary nucleus. TMP13 p. 679
Question 4 of 5
Which of the following provides about two thirds of the 59 diopters of refractive power of the eye?
Correct Answer: A
Rationale: The anterior cornea provides ~40 diopters due to its refractive index difference with air. TMP13 p. 638
Question 5 of 5
Which brain stem structure plays a major role in determining the direction from which a sound originates?
Correct Answer: D
Rationale: The superior olivary nucleus detects sound direction via intensity and time differences. TMP13 pp. 681-682