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Author Question: The nurse is caring for an infant with brown eyes and recalls that which portion of the vascular ... (Read 41 times)

moongchi

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on: Jul 22, 2018
The nurse is caring for an infant with brown eyes and recalls that which portion of the vascular tunic is responsible for the color of the eye?
 
  a. cornea c. retina
  b. iris d. sclera

Question 2

What is the name of the outer coat of the eyeball composed posteriorly of the sclera and anteriorly of the transparent cornea?
 
  a. fibrous tunic c. orbital tunic
  b. nervous tunic d. vascular tunic


amcvicar

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Reply #1 on: Jul 22, 2018
Answer to Question 1

B
The portion of the vascular tunic that contains the pigment responsible for the color of the eye is the iris.

Answer to Question 2

A
The eye is the sensory receptor of the visual system that transduces light from the environment into electrical impulses, which the optic nerve then transmits to the brain to be interpreted as vision. The fibrous tunic is the outer coat of the eyeball composed posteriorly of the sclera and anteriorly of the transparent cornea.


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moongchi

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Reply #2 on: Jul 22, 2018
TY


amcvicar

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Reply #3 on: Jul 22, 2018
You're welcome


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