Which of the Following Is NOT One of the Three

question 55

Multiple Choice

Which of the following is NOT one of the three types of general risk factors identified by scientists for pregnant women and their babies?

• A) ​nutrition
• B) ​the mother's age
• C) ​drugs
• D) ​stress

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Definitions:

Lymphatic Vessels

Tubes that carry lymph, a clear fluid that helps the body rid itself of toxins, waste, and other unwanted materials.

Endothelial Cells

Cells that line the interior surface of blood vessels and lymphatic vessels, forming an interface between circulating blood or lymph in the lumen and the rest of the vessel wall.

Valves

Structures present in the heart and veins that prevent the backward flow of blood, ensuring unidirectional blood flow throughout the circulatory system.

Pharyngeal Tonsils

Lymphoid tissue located in the back of the nasopharynx, often referred to as adenoids when swollen.