An Examiner Is Using an Ophthalmoscope on a Patient Who

question 32

Multiple Choice

An examiner is using an ophthalmoscope on a patient who has astigmatism and is nearsighted.Which of the following techniques would indicate that the examination is being performed correctly?

• A)Using the large full circle of light when assessing pupils that are not dilated
• B)Rotating the lens selector dial to the black numbers to adjust for astigmatism
• C)Using the grid on the lens aperture dial to visualize the external structures of the eye
• D)Rotating the lens selector dial to the red numbers to adjust for nearsightedness

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Definitions:

Incidence

The occurrence, rate, or frequency of a disease, crime, or something else undesirable within a specified time frame.

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, such as coronary artery disease, hypertension, and stroke.

Not Exposed

indicates individuals or populations that have not come into contact with a disease-causing factor or agent.

Construct

An abstract concept or theoretical entity that is used in various fields of study to understand phenomena.