What Does the Term Carrier Mean

question 31

Multiple Choice

What does the term carrier mean?

• A) A person with active infection who acts as a reservoir for microbes
• B) Animals, insects, objects, or surfaces contaminated by pathogens
• C) An individual who is contagious through infected secretions on the hands
• D) An asymptomatic person whose body harbors pathogens and can transmit them to others

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Definitions:

Heart Rate

The number of heartbeats per unit of time, typically expressed as beats per minute (BPM).

Sinoatrial Node

A group of cells in the heart that generates electrical impulses, acting as the heart's natural pacemaker.

Atrioventricular Node

A part of the heart's electrical system that delays the signal before passing it from the atria to the ventricles, allowing the heart’s chambers time to fill with blood.

Oxygen In Blood

The vital process by which oxygen is transported by red blood cells from the lungs to the rest of the body, supporting cellular respiration.