Which Statement Regarding Birth Control Is True

question 24

Multiple Choice

Which statement regarding birth control is true?

• A) The most widely used birth control pills contain a combination of FSH and LH.
• B) Natural family planning is generally reliable.
• C) Morning-after pills taken within 3 days of unprotected intercourse prevent fertilization or implantation about 75% of the time.
• D) Birth control pills work primarily by preventing fertilization and implantation.

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Definitions:

Dementia

A broad category of brain diseases that cause a long term and often gradual decrease in the ability to think and remember, affecting a person's daily functioning.

Wear-And-Tear Theory

A view of aging as a process by which the human body wears out because of the passage of time and exposure to environmental stressors.

Hayflick Limit

The maximum number of times a normal human cell population can divide until division stops, attributed to cellular aging.

Genetic Clock

A mechanism within organisms that regulates timing of biological functions and aging, often influenced by genetic and environmental factors.