Two Contraceptive Methods That Are Generally Irreversible and That Block

question 59

Multiple Choice

Two contraceptive methods that are generally irreversible and that block the gametes from moving to a site where fertilization can occur are

• A)the male condom and female condom.
• B)the male condom and oral contraceptives.
• C)vasectomy and tubal ligation.
• D)coitus interruptus and rhythm method.
• E)the diaphragm and subcutaneous progesterone implant.

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Definitions:

Sclereids

Thick-walled, often branched cells found in plants that provide support and deter herbivory.

Guard Cells

Pairs of cells surrounding stomata in plant leaves and stems, regulating gas exchange and water loss by controlling the opening and closing of stomata.

Epidermis

The outermost layer of cells covering an organism, particularly the surface epithelium of the skin or outer layer of leaves and other plant organs.

Parenchyma

A type of living plant tissue consisting of relatively unspecialized cells with thin cell walls that function in photosynthesis, storage, and as the site of many metabolic processes.