In color doppler ,we often use red represent ( )
A: artery
B: vein
C: the blood flow move toward the probe
D: the blood flow move away from the probe
A: artery
B: vein
C: the blood flow move toward the probe
D: the blood flow move away from the probe
C
举一反三
- In color doppler ,we often use blue represent ( ) A: artery B: vein C: the flow move toward the probe D: the flow move away from the probe
- Which of the following is not the ultrasound features of portal hypertension? A: Portal vein dilated B: The direction of blood flow in portal vein is toward liver C: ascites D: Esophageal varices
- We couldn't feel the changes in the blood pressure within the ______ . A: arterial B: vein C: blood D: artery
- Doppler ultrasound can be used to display A: Fetal heart beat B: Rear artifacts C: Blood flow
- Which is the major factor affecting the resistance of blood flow?() A: Velocity of blood flow B: The length of blood vessel C: Viscosity of blood D: The diameter of arteriole E: The compliance of aorta
内容
- 0
If<br/>the Reynold’s number of blood flow is 3500, then the flow<br/>will be A: laminar<br/>flow B: idea flow C: turbulent flow D: smooth flow
- 1
What can not produce Doppler effect in human body ( ) A: Fetal heart B: Heart valve C: Stationary liver tissue D: Blood flow
- 2
Which organ is regarded as a pump in the blood circulation? A: Heart B: Artery C: Vein D: Capillary
- 3
Massage may help to increase blood flow to ______ areas of the body.
- 4
What best describes the normal blood flow to the lungs in a supine patient? （ ） A: largely uniform B: decreased flow to apices relative to bases C: increased flow to upper lobes