What Event(s) Occur During the QRS Complex of an Electrocardiogram

question 119

Multiple Choice

What event(s) occur during the QRS complex of an electrocardiogram?

• A) Depolarization of the atria
• B) Repolarization of the ventricles
• C) Depolarization of the atria and repolarization of the ventricles
• D) Depolarization of the ventricles and repolarization of the atria

---

Definitions:

Vessels

Structures such as veins, arteries, and ducts that carry fluids like blood or lymph through the body.

Chronic Fatigue Syndrome

A complex disorder characterized by extreme fatigue that cannot be explained by any underlying medical condition.

Tender Lymph Nodes

Lymph nodes that are swollen and painful, often indicating an infection or inflammation in the body.

Joint Pain

refers to discomfort, aches, and soreness in any of the body’s joints, which can arise from various causes including arthritis, injury, or other conditions.