Calculate the Expression $$| 1 - 3 |$$ A) -2
B) 3
C) 2
D) -3
E) 4

question 72

Multiple Choice

Calculate the expression. $$| 1 - 3 |$$

• A) -2
• B) 3
• C) 2
• D) -3
• E) 4

---

Definitions:

Arrhythmia

A condition involving irregular heartbeats, which can be too fast, too slow, or erratic, potentially leading to health problems.

Heartbeat

The rhythmic contraction and relaxation of the heart, pumping blood throughout the body.

Angina Pectoris

A condition characterized by chest pain due to reduced blood flow to the heart muscle.

Blood Supply

The provision of blood to a particular area or organ of the body, essential for delivering nutrients and oxygen.