M-mode can be used to demonstrate
A: a) Blood flow.
B: b) Tissue motion.
C: c) Gall stones.
A: a) Blood flow.
B: b) Tissue motion.
C: c) Gall stones.
举一反三
- Doppler ultrasound can be used to display A: Fetal heart beat B: Rear artifacts C: Blood flow
- What can not produce Doppler effect in human body ( ) A: Fetal heart B: Heart valve C: Stationary liver tissue D: Blood flow
- According to the different causes, gap flow can be divided into three types: differential pressure flow, shear flow and ( ) flow.
- The crankshaft is used to change the ____________ motion of the piston into __________ motion. A: reciprocating, rotary B: rotary, reciprocating C: vertical, horizontal D: horizontal, vertical
- Smear is used to observe() A: blood B: bone C: connective tissue D: eye E: most organs