The Use of Low-Dose Estrogen and Progestin Oral Contraceptives Has

question 4

Multiple Choice

The use of low-dose estrogen and progestin oral contraceptives has been associated with a reduced incidence of which cancers?

• A) ovarian and breast
• B) breast and uterine
• C) ovarian and uterine
• D) breast, ovarian, and uterine
• E) cervical and breast

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Definitions:

Acetylcholine

A neurotransmitter in the central and the peripheral nervous systems that plays a key role in the function of muscle action, heart rate, memory, and learning.

Botulism

A rare but serious illness caused by botulinum toxin, which can cause paralysis and is often linked to improperly prepared food.

Myelin Sheath

A fatty layer that encases and insulates the axons of neurons, facilitating faster transmission of electrical signals.

Electrical Current

The flow of electric charge through a conductor, typically measured in amperes.