Chapter 16

Question 1

If dealing with a hostile patient, what is the best approach?

Answer 1

Listen calmly and apologize for any misunderstanding.

Question 2

What are the symptoms of hypoglycemia?

Answer 2

Weaknes, sweatiness, dizziness.
Hypoglycemia, or low blood sugar, can progress for warning symptoms to seizure or coma. Assistants can give patients fruit juice or other sugar supplies and then notify the doctor

Question 3

What is the best approach for testing VA in older patients?

Answer 3

Adjust the lighting to avoid glare. During initial stages of cataract formation glare can be an problem, tests can be modified by adjusting the patients angle as well.

Question 4

Approximately 95% of all individuals older than 65 have variable degrees of what eye condition?

Answer 4

Cataract.
Clouding of the lens causes difficulty distinguishing color and increased rigidity affects the eyes ability to accommodate between distance and near

Question 5

What does a VA OF 20/300 signify?

Answer 5

Patient could read size 200 optotype at 3 feet from the chart.
The numerator indicates the distance from the chart and the denominator the smallest line distinguishable to the patient

Question 6

The ability to fix and follow as a measure of visual function is generally present at what age?

Answer 6

12 weeks.
Infants are not tested for visual acuity but rather their ability to fixate on an object and follow it with their eyes

Question 7

When interacting with a blind patient, how should the tech proceed?

Answer 7

Speak directly to the patient and provide verbal updates on the exam and testing.
Often it is helpful to offer your arm for directional guidance