When Would a B Cell Present an Antigen on an MHC

question 25

Multiple Choice

When would a B cell present an antigen on an MHC I protein?

• A) When the B cell is infected with a virus
• B) As part of the effector phase of any immune response
• C) After activation by a T_H cell
• D) After ingesting a pathogen in a phagosome
• E) After stimulation by cytokines

---

Definitions:

Data-entry Operators

Individuals responsible for inputting data into computer systems, often involving the transcription of information from paper formats.

Marginal Cost

The extra cost incurred from producing one additional unit of a good or service.

Marginal Product

The additional output that results from a one-unit increase in the input of a production factor, holding all other inputs constant.

Marginal Revenue Product

the additional revenue generated from using one more unit of a factor of production.