Which of the Following Best Defines the Relationship Between Confounding

question 32

Multiple Choice

Which of the following best defines the relationship between confounding, dependent, and independent variables?

• A) The confounding variable influences the independent variable, but has no effect on the dependent variable.
• B) The influence of the confounding variable cannot be separated from the influence of the dependent variable.
• C) The confounding variable may cause the dependent variable to act independently.
• D) The confounding variable influences the dependent variable, but is not separated from the independent variable.

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Definitions:

Right Ventricle

The chamber within the heart that pumps deoxygenated blood to the lungs through the pulmonary artery.

Ventilations

The provision of fresh air to a room, building, or enclosed space, or the process of circulating air to ensure a suitable composition of air.

Oxygen Saturation

A measure of the amount of oxygen-carrying hemoglobin in the blood relative to the amount of hemoglobin not carrying oxygen, usually expressed as a percentage.

Decreased pH

A condition indicating that a solution has become more acidic, with a lower concentration of hydroxide ions or a higher concentration of hydrogen ions than before.