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Author Question: The nurse is conducting a visual examination. Which of these statements regarding visual pathways ... (Read 111 times)

asmith134

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on: Jun 25, 2018
The nurse is conducting a visual examination. Which of these statements regarding visual pathways and visual fields is true?
 
  a. The right side of the brain interprets the vision for the right eye.
  b. The image formed on the retina is upside down and reversed from its actual appearance in the outside world.
  c. Light rays are refracted through the transparent media of the eye before striking the pupil.
  d. Light impulses are conducted through the optic nerve to the temporal lobes of the brain.

Question 2

A patient has a normal pupillary light reflex. The nurse recognizes that this reflex indicates that:
 
  a. The eyes converge to focus on the light.
  b. Light is reflected at the same spot in both eyes.
  c. The eye focuses the image in the center of the pupil.
  d. Constriction of both pupils occurs in response to bright light.


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trog

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: B
The image formed on the retina is upside down and reversed from its actual appearance in the outside world. The light rays are refracted through the transparent media of the eye before striking the retina, and the nerve impulses are conducted through the optic nerve tract to the visual cortex of the occipital lobe of the brain. The left side of the brain interprets vision for the right eye.

Answer to Question 2

ANS: D
The pupillary light reflex is the normal constriction of the pupils when bright light shines on the retina. The other responses are not correct.


asmith134

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Reply 2 on: Jun 25, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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