Which of the Following Is a Feature of Taking High-Dose

question 11

Multiple Choice

Which of the following is a feature of taking high-dose supplements of vitamin A?

• A)They increase teratogenic risk
• B)They are effective in treating acne
• C)They lead to keratinization of tissue
• D)They reduce risk for neural tube defects

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Definitions:

Effector T Cells

A subset of T cells that actively respond to a previously encountered antigen, playing a crucial role in the immune response by attacking infected cells.

Thymus Gland

An organ located in the upper chest, involved in immune system development and the production of T-cells for adaptive immunity.

Cell-Mediated Immunity

An immune response that does not involve antibodies but the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen.

Antibody-Mediated Immunity

An aspect of the immune response where B cells produce antibodies to identify and neutralize foreign objects like bacteria and viruses.