The Anatomy and Physiology Instructor Is Explaining a Cell-Mediated Response

question 7

Multiple Choice

The anatomy and physiology instructor is explaining a cell-mediated response to the pre-nursing students. What actions would the instructor explain occur in a cell-mediated response?

• A) Toxins of invading antigens are neutralized.
• B) The invading antigens link together (agglutination).
• C) The invading antigens precipitate.
• D) T-cell lymphocytes survey proteins in the body and attack the invading antigens.

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Definitions:

Ventricles

Ventricles are chambers within the heart that pump blood out to the lungs and the rest of the body, crucial for the cardiac circulation process.

Epinephrine

Hormone secreted by the adrenal medulla in times of stress; also referred to as adrenaline.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response; it affects heart rate, blood pressure, and glucose levels.

SA Node

The sinoatrial node, a group of cells located in the right atrium of the heart that generates electrical impulses initiating each heartbeat.