Which Pressure Changes with the Phases of Respiration but Is

question 90

Multiple Choice

Which pressure changes with the phases of respiration but is always negative?

• A)rebound pressure (elastic recoil)
• B)atmospheric pressure
• C)intra- alveolar pressure
• D)transpulmonary pressure
• E)intrapleural pressure

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Definitions:

Independent Variables

Factors that are manipulated by researchers to observe their effect on dependent variables in experiments.

Dependent Variables

In experimental research, the variable that is being measured or tested, and is expected to change as a result of manipulations to the independent variable.

Experimental Test

An experimental test is a research method where the researcher manipulates one or more variables under controlled conditions to study their effect on other variables.

Hypothesis

A proposed explanation for a phenomenon, based on limited evidence as a starting point for further investigation.