What Is the Ratio of Coronary Capillaries to Cardiac Muscle

question 28

Multiple Choice

What is the ratio of coronary capillaries to cardiac muscle cells?

• A) 1:1 (one capillary per one muscle cell)
• B) 1:2 (one capillary per two muscle cells)
• C) 1:4 (one capillary per four muscle cells)
• D) 1:10 (one capillary per ten muscle cells)

---

Definitions:

Fifth Vital Sign

Refers to pain as an additional vital sign that healthcare providers assess along with temperature, pulse, respiration, and blood pressure.

Pain Medication

Drugs used to relieve pain, ranging from over-the-counter analgesics to prescription opioids, tailored to the type and severity of pain experienced.

Pulse Pressure

The difference between the systolic and diastolic blood pressures, reflecting the force that the heart generates each time it contracts.

Respiratory Rate

The number of breaths a person takes per minute, a critical measure of respiratory function and overall health.