What can cause a decrease in pump flow?

a. Both an increase in preload and an in-crease in afterload
b. Both a decrease in preload and a decrease in afterload
c. An increase in preload or decrease in af-terload
d. A decrease in preload or increase in after-load


ANS: D
A decrease in preload or increase in afterload can cause a decreased pump flow.

Health Professions

You might also like to view...

What does determining frequency and severity describe?

A) Risk prioritization B) Risk identification C) Risk control D) Risk evaluation

Health Professions

The built-in rate of each of the three major areas of the conduction system is referred to as the ________ rate

A) fast B) heart C) escape D) inherent

Health Professions

The drive mechanism of a ventilator refers to:

A) the power source for the ventilator B) the system used to convert the power to ventilatory work C) the system used to control rate or tidal volume D) the gas pressure powering the ventilator

Health Professions

Which of the following is true of the physical characteristics of urine?

A. The cause of turbidity usually cannot be determined. B. Abnormalities in a clear urine are usually not detected until the chemical exam. C. Porphyrins cause the urine to be black. D. The specific gravity is a measure of color intensity.

Health Professions