• 2022-06-11
    What kind of blood vessels regulate the distribution of blood flow to body's parts and organs?
    A: Large arteries
    B: Medium-size arteries
    C: Small arteries
    D: Arterioles
  • B

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    • 0

      Where do the clots come from? Blood flow slow down. A sudden change in heart rhythm leads the upper chambers to contract abnormally. Platelets, clotting factors, and fibrin stick together. The clot can be carried up towards the arteries and blood vessels supplying the brain until getting to one it can't squeeze through. A: ①②③④ B: ②①③④ C: ②③①④ D: ①③④②

    • 1

      How is the embolism of a thrombotic stroke formed? ① Blood flow slows down. ② A sudden change in heart rhythm prevents the upper chambers of the heart from contracting normally. ③ Platelets, clotting factors, and fibrin stick together. ④ The clot can be carried up towards the arteries and blood vessels supplying the brain until it can’t squeeze through. A: ②④③① B: ②①③④ C: ②①④③ D: ①②④③

    • 2

      Which of the following is the overall principle for health preservation A: Adjust accordingly to the changes B: Harmonize the visceral organs C: Regulate the body’s qi and blood D: A, B and C

    • 3

      arteries and (__)(动脉和静脉)

    • 4

      The reliable evidence for early detection of cardiac arrest is A: Undetectable blood pressure B: Cannot respond to commands C: Cannot feel the pulse of carotid and femoral arteries D: Respiratory arrest E: No chest expansion