Certified Cardiographic Technician (CCT) Exam 2025 – 400 Free Practice Questions to Pass the Exam

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What color is typically associated with injured cardiac tissue?

Bright red

Black

Injured cardiac tissue is typically associated with the color black. This coloration is indicative of necrosis, which occurs when heart tissue has died due to a lack of blood supply, often as a result of a myocardial infarction (heart attack). When cells die, they undergo changes that can lead to the formation of blackish or darkened areas in the heart muscle, which is a critical sign that the tissue is no longer viable.

Understanding the appearance of cardiac tissue is essential for recognizing the severity and implications of injury. Bright red tissue, for instance, suggests healthy, well-oxygenated blood flow, while blue often indicates a lack of oxygen but not necessarily tissue injury. Pale white tissue may signal other types of conditions or ischemic episodes but is not specifically associated with necrotizing injury, making black the most accurate representation of injured cardiac tissue.

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Blue

Pale white

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