A Researcher Who Wants to Study How Radiation Affects a Developing

question 80

Multiple Choice

A researcher who wants to study how radiation affects a developing human fetus might use a(n) ________ research design.

• A) case study
• B) quasi-experimental
• C) experimental
• D) naturalistic observation

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Definitions:

Lymphotoxin

A cytokine produced by certain lymphocytes that can induce cell death and has a role in immune response.

Cytokines

Small proteins released by cells, particularly immune cells, that have a specific effect on the interactions and communications between cells.

Interleukin 4

A cytokine that plays a significant role in immune system regulation, promoting the development of T helper 2 cells.

Antigen-presenting Cells

Specialized immune cells that process and present foreign antigens to T-cells to initiate an immune response.