Which of the Following Is True of Lymphokines

question 38

Multiple Choice

Which of the following is true of lymphokines?

• A) They are produced by B cells.
• B) They inhibit macrophage activity.
• C) Lymphotoxin is an example of a lymphokine.
• D) They are produced by helper T cells.

---

Definitions:

Naturalistic Observation

A research paradigm in which an observer observes participants in familiar everyday contexts while ideally remaining as unobtrusive as possible.

Experiment

A test of a scientific theory in which the researcher manipulates the independent variable.

Experiment

A method of research in the sciences or social sciences in which a controlled procedure is conducted to test a hypothesis, observe effects, and establish cause and effect relationships.

Cause-and-Effect Relationships

A connection between two events where one event (the cause) makes another event happen (the effect), indicating a direct association.