A Physiologist Is Conducting an Experiment to Measure the Physiological

question 167

Multiple Choice

A physiologist is conducting an experiment to measure the physiological changes include blood pressure and left ventricular volume after infusion of 3 L isotonic saline. He detects an increasing in blood hormone level after infusion. This hormone is most likely to increase which of the following in this test subject?

• A)Acid content of the urine
• B)Glomerular filtration rate
• C)Renal sodium reabsorption
• D)Renal water reabsorption
• E)Vascular resistance

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Definitions:

One Group Pretest-posttest Design

A quasi-experimental study design where the same group is observed before and after the intervention, without a control group.

Control Group

In an experiment, the group that does not receive the treatment or intervention being tested, serving as a baseline for comparing the effects of the treatment on the experimental group.

Study Habits

Study habits are the behaviors and strategies that individuals adopt to learn and retain information effectively, influencing their academic performance.

Internal Validity

The degree to which the results of a study are due to the independent variable, rather than other factors.