Diplopia, which is present with one eye covered, can be caused by which of the following problems?
A) Weakness of CN III
B) Weakness of CN IV
C) A lesion of the brainstem
D) An irregularity in the cornea or lens
D) An irregularity in the cornea or lens
Double vision in one eye alone points to a problem in “processing” the light rays of an incoming image. The other causes of diplopia result in a misalignment of the two eyes.
You might also like to view...
The nurse teaches an older client about minimizing the risk of falls at home. Which does the nurse include in client teaching to prevent falls?
a. Install extra towel bars in the bathtub and near the toilet. b. Keep furniture so it can be easily walked around and keep pathways clear. c. Have a neighbor check on the client every afternoon. d. Secure throw rugs to the floor with double-sided tape.
The best method to prevent a hypoglycemic episode in a diabetic school child is to:
1. Provide three large meals daily but avoid snacks. 2. Send candy bars to school with the student in case hypoglycemia symptoms occur. 3. Provide snacks during the day and prior to exercise. 4. Avoid extra calories and closely maintain the prescribed diet plan.
Which of the following patients would be at the greatest risk of developing heart disease?
1. Total 200, LDL 140, HDL 30 2. Total 220, LDL 135, HDL 68 3. Total 198, LDL 162, HDL 20 4. Total 186, LDL 125, HDL 54
When someone questions a procedure, a commonly heard statement by many nurses is, "We've always done it this way." Which of the following best describes this attitude?
A. Fearing change B. A desire for group cohesiveness C. A desire to get ahead D. Commitment