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Doppler ultrasound can be used to measure the speed of
Chapter 12, Problem 26(choose chapter or problem)
Problem 26CQ
Doppler ultrasound can be used to measure the speed of blood in the body. If there is a partial constriction of an artery, where would you expect blood speed to be greatest, at or nearby the constriction? What are the two distinct causes of higher resistance in the constriction?
Questions & Answers
QUESTION:
Problem 26CQ
Doppler ultrasound can be used to measure the speed of blood in the body. If there is a partial constriction of an artery, where would you expect blood speed to be greatest, at or nearby the constriction? What are the two distinct causes of higher resistance in the constriction?
ANSWER:
Step 1 of 4:
Arteries are the blood vessels that carry blood from the heart to other parts of the body. If the muscular walls of arteries contracted, the blood vessels offer resistance to the flow of blood. This may cause severe damage to the circulatory system. This is known as vasoconstriction.