NURS 315/NURS 315 Test #2 Questions and Answers All correctly solved

Movement of the extraocular muscles is: decreased in the elderly. impaired in a patient with cataracts. stimulated by CN I and II. stimulated by CN III, IV, and VI. Question 2 1 / 1 pts Which of the following statements regarding the outer layer of the eye is true? Correct! The outer layer of the eye is very sensitive to touch. The outer layer of the eye is darkly pigmented to prevent light from reflecting internally. The trigeminal (CN V) and the trochlear (CN IV) nerves are stimulated when the outer surface of the eye is stimulated. The visual receptive layer of the eye in which light waves are changed into nerve impulses is located in the outer layer of the eye. Question 3 1 / 1 pts A patient has a normal pupillary light reflex (PERRL). What does this mean? The eyes converge to focus on the light. Light is reflected at the same spot in both eyes. The eye focuses the image in the center of the pupil. Constriction of both pupils occurs in response to bright light. Question 4 1 / 1 pts Which of the following physiological changes is responsible for presbyopia? Correct! Loss of lens elasticity Degeneration of the lens Decreased adaptation to darkness Decreased distance vision abilities