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Author Question: The nurse is aware that the patient has 20/40 vision. This means that the patient can see at 20 feet ... (Read 82 times)

arivle123

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on: Jul 11, 2018
The nurse is aware that the patient has 20/40 vision. This means that the patient can see at 20 feet what the normal eye can see at _______ feet.
 
  a. 100
  b. 200
  c. 300
  d. 400

Question 2

The nurse explains that the negative feedback system controls hormone release by communication between:
 
  a. the pituitary and the target organ.
  b. the thymus and the blood stream.
  c. lymphatic system and the target organ.
  d. central nervous system and the blood stream.


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kthug

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Reply #1 on: Jul 11, 2018
Answer to Question 1

ANS: B
The Snellen Eye Chart tests visual acuity. A vision evaluation of 20/40 means that the patient can see at 20 feet what the person with normal vision can see at 200 feet.

Answer to Question 2

ANS: A
The amount of hormone released is controlled by a negative feedback system. When the level of the particular hormone is appropriate, the target organ signals the pituitary to stop the stimulation of the target organ.


arivle123

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Reply 2 on: Jul 11, 2018
Great answer, keep it coming :)

dyrone

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Reply 3 on: Yesterday
Gracias!

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