Which of the Following Might Serve as a Secondary Pacemaker

question 73

Multiple Choice

Which of the following might serve as a secondary pacemaker for the heart?

• A)AV node
• B)Purkinje fibers
• C)Both AV node and Purkinje fibers
• D)Neither AV node nor Purkinje fibers

---

Definitions:

Cheyne-Stokes Respiration

A pattern of breathing characterized by a gradual increase in breathing followed by a decrease and then a period of apnea, often associated with heart failure or brain injury.

Blood Glucose

The main sugar found in the blood and the body’s primary source of energy; its regulation is vital for metabolic function.

Subjective Symptom

A symptom reported by the patient that cannot be directly observed by others, such as pain or dizziness.

Vital Sign

Measurements of the body's basic functions, including temperature, pulse, breathing rate, and blood pressure, used to assess physical health.