The Activation of What Type of Immune Cell Requires That

question 33

Multiple Choice

The activation of what type of immune cell requires that an antigen be "presented" to it by an antigen-presenting cell?

• A) T cells
• B) B cells
• C) Macrophages
• D) Plasma cells

---

Definitions:

Germinal Stage

The earliest phase in prenatal development, starting from fertilization and lasting until the zygote implants in the uterine wall.

Placental Stage

The third and final stage of childbirth involving the delivery of the placenta from the uterus to the outside world.

Foetal Stage

The developmental period in humans from nine weeks after conception until birth, marked by rapid growth and maturation of bodily structures.

Germinal Stage

The initial stage of human development lasting from conception to two weeks, characterized by rapid cell division and the beginning of cell differentiation.