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Author Question: When examining the six cardinal fields of gaze, the clinician is assessing function of: A. CN III ... (Read 60 times)

iveyjurea

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on: Jun 25, 2018
When examining the six cardinal fields of gaze, the clinician is assessing function of:
 
  A. CN III
  B. CN IV
  C. CN VI
  D. All of the above

Question 2

While assessing visual acuity, you notice that the patient is turning his head side-to-side for an oblique, or peripheral, view of the Snellen chart, raising your suspicion that the patient may suffer from:
 
  A. Glaucoma
  B. Cataract
  C. Macular degeneration
  D. Amaurosis fugax


rosiehomeworddo

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

ANS: D
The six cardinal fields of gaze are testing the extraocular muscles, which are innervated by the oculomotor nerve (CN III), trochlear nerve (CN IV), and abducens nerve (CN VI).

Answer to Question 2

ANS: C
Visual loss associated with macular degeneration can be progressive, unilateral or bilateral, and starts centrally.


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