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:

Oxalic Acid

A strong organic acid found in many plants and vegetables, commonly used as a cleaning agent and rust remover.

Hydrogen Bond

A weak bond in water that forms between one molecule’s hydrogen atom and another molecule’s oxygen atom.

Limestone Cave

A natural underground space formed by the dissolution of limestone by acidic water, often featuring stalactites and stalagmites.

Water Table

The surface between the unsaturated zone and the saturated zone, as in the top of groundwater in an unconfined aquifer.