A Typical Group Is Selected from the Population,and a Random

question 57

Multiple Choice

A typical group is selected from the population,and a random sample is taken from within the group.This is an example of _____ sampling.

• A)simple random
• B)stratified
• C)cluster
• D)judgment

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Definitions:

2,3-Bisphosphoglycerate (BPG)

A compound in red blood cells that regulates the oxygen-binding capacity of hemoglobin.

Oxygen Saturation

A measure of the amount of oxygen bound to hemoglobin in the blood, indicating how well oxygen is being transported to body parts.

2,3-Bisphosphoglycerate (BPG)

A compound in red blood cells that reduces the affinity of hemoglobin for oxygen, thus facilitating oxygen release to tissues.

Pulmonary Edema

A condition characterized by the accumulation of fluid in the lungs' air sacs, often resulting in breathing difficulty.