Which of the following mechanisms explains the impaired renal function seen in patients receiv-ing ventilatory support with positive pressure?

1. Decreased secretion of aldosterone
2. Decreased intravascular volume
3. Increased secretion of vasopressin
a. 1 only
b. 2 only
c. 1 and 3 only
d. 1, 2, and 3


ANS: B
Results of more recent analysis tend to refute this explanation, instead showing that impaired re-nal function during positive-pressure ventilation is better associated with a decrease in intravas-cular volume.

Health Professions

You might also like to view...

Which of the following animals is the direct source of exposure of the bacterium that causes the plague to humans?

A) Fleas B) Bees C) Squirrels D) Rats

Health Professions

An alleged defendant means:

a. a wrongdoer b. a plaintiff c. an injured party d. embezzlement

Health Professions

The Conversion Calculator can convert which of the following?

A. Pounds to Kilograms B. Inches to Centimeters C. Fahrenheit to Celsius D. All of these

Health Professions

In which data collection method is there no control over the factors that may affect the results??

A) ?Surveys B) ?Experiments C) ?Placebo D) ?Sampling

Health Professions