Which of the Following Is a Cervical Barrier Device

question 37

Multiple Choice

Which of the following is a cervical barrier device?

• A) NuvaRing
• B) Condom
• C) Diaphragm
• D) IUD

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Definitions:

Species-specific Protein

Proteins that are unique to a particular species and serve as identifying markers or perform specific biological functions not found in other species.

Zona Pellucida

A thick, transparent coating surrounding an oocyte (egg cell) and early embryo in mammals, playing a key role in fertilization by allowing sperm binding and inducing the acrosome reaction.

Vitelline Envelope

An acellular covering of the eggs of certain animals (e.g., echinoderms), located just outside the plasma membrane.

Granulosa Cells

The somatic cells in the ovary that surround developing female gametes (oocytes) and are involved in hormone secretion and oocyte maturation.