Fluorouracil Is a Uracil Analog Used in the Treatment of Malignant

question 3

Multiple Choice

Fluorouracil is a uracil analog used in the treatment of malignant disorders.It reacts covalently with which one of the following enzymes, causing irreversible inhibition?

• A)Phosphoribosyl pyrophosphate aminotransferase.
• B)Ribonucleotide reductase.
• C)Thymidylate synthase.
• D)Dihydrofolate reductase.
• E)Adenosine deaminase.

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Definitions:

Abnormal Pap

A Pap test result indicating that there are changes in the cells of the cervix which could be precancerous or cancerous.

Oral Contraceptives

Oral contraceptives are medications taken by mouth to prevent pregnancy by inhibiting ovulation or by causing changes in the cervical mucus and uterine lining.

Birth Control

Methods, devices, or medications used to prevent pregnancy.

Luteinizing Hormone

A hormone produced by the pituitary gland that triggers ovulation and stimulates the production of progesterone in females, and testosterone in males.