Which Statement Is True About T Cells

question 33

Multiple Choice

Which statement is true about T cells?

• A) They will develop into cytotoxic T cells if antigen is complexed with class II MHC proteins.
• B) Once activated, they cannot secrete cytokines.
• C) Their proliferation is enhanced by interleukins 1 and 2.
• D) They usually directly recognize antigens, which then activates a subpopulation of killer cells.

---

Definitions:

Reflex

An unlearned, stereotypical response to a stimulus.

Stereotypical Response

A predictable and oversimplified reaction based on preconceived notions about a group or situation.

Apgar Scale

A quick test performed on a newborn at 1 and 5 minutes after birth, assessing five criteria to evaluate the baby's physical condition and need for medical intervention.

Neonatal

Pertaining to the first four weeks after birth, a critical period for both mother and infant that encompasses the transition to independent living.