A Patient Reports Having Difficulty Discriminating Colors After Being Prescribed

question 29

Multiple Choice

A patient reports having difficulty discriminating colors after being prescribed hydroxychloroquine (Plaquenil) . What information should the nurse provide?

• A) Keratometry can be done to diagnose color blindness.
• B) The Ishihara test is simple and can reveal color blindness.
• C) Invasive testing will be required to assess cones and rods.
• D) A picture of the ocular fundus will be necessary to make this diagnosis.

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Definitions:

Hypothalamus

A region of the brain that regulates basic biological needs and motivational systems such as hunger, thirst, and body temperature.

Sleep

A natural condition that impacts both mind and body, marked by a change in consciousness, reduced sensory experiences, and a suppression of most voluntary muscle movements.

Suprachiasmatic Nucleus

A region in the brain located in the hypothalamus, responsible for regulating circadian rhythms through its control over sleep-wake cycles.

Sleep

A naturally recurring state of mind and body characterized by altered consciousness, relatively inhibited sensory activity, reduced muscle activity, and inhibition of nearly all voluntary muscles during rapid eye movement (REM) stages.