• 2022-06-07
    The right thing to say about arteries is
    A: It is a set of independent and closed pipes
    B: Transport blood back to heart
    C: From the ventricle
    D: The blood oxygen content in arteries is high
  • C

    内容

    • 0

      Some patients develop ileus, by X - ray, it is caused by vascular compression, the blood vessels is () A: Gastroduodenal arteries and veins B: Superior mesenteric arteries and veins C: Inferior mesenteric arteries and veins D: Proper hepatic artery E: Splenic arteries and veins

    • 1

      2. When isotonic hypoxemia occurs A: Reduced blood oxygen content B: Decreased partial pressure of arterial blood oxygen C: Decreased oxygen saturation of hemoglobin D: Normal blood oxygen content E: Tissue cell utilization oxygen disorder

    • 2

      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

    • 3

      The blood pressure in the _____ is the same as the pressure measured in the arm.( ) A: right ventricle B: left ventricle C: right atrium D: left atrium

    • 4

      The mechanism of bluish violet in faroux's tetralogy is related to many factors A: Increased right ventricular pressure B: Decreased pulmonary circulation C: Right ventricular blood enters the left ventricle through the ventricular defect D: Right ventricular blood enters the aorta directly E: Heart failure