Which of the Following Descriptions of T Cells Is True

question 17

Multiple Choice

Which of the following descriptions of T cells is true ?

• A) They produce interleukins.
• B) They display MHCs.
• C) They produce antibodies.
• D) They act as either helper or killer cells.
• E) They carry out all these functions.

---

Definitions:

Output Q₀

The quantity of goods or services produced in a given period of time, denoted as Q₀ to specify a particular amount.

Diseconomies of Scale

The phenomenon where, as a firm expands, its costs start increasing per unit of output, usually due to inefficiencies and management challenges that arise with size.

Diminishing Returns

A principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase and may decrease.