Which Vessels Have Valves to Prevent Backflow of Blood

question 15

Multiple Choice

Which vessels have valves to prevent backflow of blood?

• A) veins
• B) arteries
• C) capillaries
• D) arterioles

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Definitions:

Intellectual Disability

Significantly subnormal cognitive functioning. Also referred to as cognitive disability or mental retardation.

IQ

A measure of a person's intelligence as indicated by an intelligence test, expressed as a number relative to a statistical norm.

Social Promotion

The practice of advancing students to the next grade level regardless of their academic performance.

Academic

Relating to education, schools, universities, or scholarly activities.