Mydriatic Eye Drops Are Given to a Patient Before an Examination

question 1

Multiple Choice

Mydriatic eye drops are given to a patient before an examination of the internal eye in order to ________.

• A)dilate the pupils
• B)anesthetize the conjunctivae
• C)cleanse the eye of mucus
• D)decrease the flow of tears

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Definitions:

NaCN

Sodium cyanide, a white solid highly soluble in water, used in organic synthesis and metal processing.

Concentrated KMnO4

A strong oxidizing agent in concentrated form, potassium permanganate (KMnO4) is used in various chemical reactions, particularly in organic chemistry for oxidation reactions.

Oxalyl Chloride

A colorless liquid organic compound with the formula (COCl)2, used as a reagent in organic synthesis, notably for the introduction of the acyl chloride group.

Phenylacetic Acid

A white, crystalline organic compound with a honey-like odor, used in perfumes and as a precursor in the synthesis of penicillin.