The SA and AV Nodes Are Perfused by the ________

question 25

Multiple Choice

The SA and AV nodes are perfused by the ________ artery.

• A) anterior descending
• B) right coronary
• C) left coronary
• D) circumflex coronary

---

Definitions:

Scientific Evidence

Information, facts, or data that serve to either support or counter a scientific theory or hypothesis, often obtained through repeatable experiments and observation.

Autism

A disorder characterized by extreme aloneness, communication problems, preservation of sameness, and ritualistic behavior.

Rough-And-Tumble Play

A form of play involving physical activities like running, chasing, and play-fighting, important for social and physical development.

Social Deprivation

A condition resulting from a lack of social contacts and relationships, which can lead to significant emotional and psychological distress.