Hemodynamics Flashcards
Which of the following flow patterns is associated with cardiac contraction?
a. phasic
b. spontaneous
c. steady
d. pulsatile
e. continuous
d. pulsatile
Which of the following terms does not belong with the others?
a. phasic
b. spontaneous
c. pulsatile
d. venous
c. pulsatile
Which of the following is not associated with laminar flow?
a. layered
b. normal
c. aligned
d. smooth
e. chaotic
e. chaotic
Which of the following is not associated with turbulent flow?
a. parabolic
b. eddy
c. vortex
d. swirling
e. spectral broadening
a. parabolic
What is the primary reason blood moves from one location to another?
a. energy gradient
b. anemia
c. pressure gradient
d. systole
e. friction
a. energy gradient
All of the following decrease the flow energy of a fluid except:
a. frictional loss
b. viscous loss
c. inertial loss
d. velocity loss
d. velocity loss
Which of the following causes the greatest amount of inertial energy loss?
a. pulsatile flow
b. flow through a stenosis
c. phasic flow
d. steady flow
e. parabolic flow
b. flow through a stenosis
The arterial blood pressure of a supine individual is 120 mmHg. What is the hydrostatic pressure at the subject’s ankle?
a. 100 mmHg
b. 0 mmHg
c. 40 mmHg
d. 120 mmHg
e. -120 mmHg
b. 0 mmHg
The arterial blood pressure of a supine individual is 120 mmHg. What is the hydrostatic pressure at the subject’s hips?
a. 100 mmHg
b. 0 mmHg
c. 40 mmHg
d. 120 mmHg
e. -120 mmHg
b. 0 mmHg
The arterial blood pressure of a standing individual is 120 mmHg. What is the hydrostatic pressure at the subject’s ankle?
a. 100 mmHg
b. 0 mmHg
c. 40 mmHg
d. -100 mmHg
e. -120 mmHg
a. 100 mmHg
The arterial blood pressure of a standing individual is 120 mmHg at the level of the heart. What is the measured blood pressure at the subject’s ankle?
a. 100 mmHg
b. 0 mmHg
c. 40 mmHg
d. -100 mmHg
e. 220 mmHg
e. 220 mmHg
What happens to the diaphragm when an individual breathes in?
a. it ascends into the thorax
b. it descends into the abdomen
b. it descends into the abdomen
What happens to venous return to the heart when an individual inhales?
a. increases
b. decreases
c. remains the same
a. increases
What happens to venous flow in the legs when an individual inhales?
a. increases
b. decreases
c. remains the same
b. decreases
What happens to the diaphragm when an individual breathes out?
a. it ascends into the thorax
b. it descends into the abdomen
a. it ascends into the abdomen
