Quiz 15: Overview of Circulation
After a knife wound to the groin,a man develops a large arteriovenous (AV)shunt between the iliac artery and iliac vein.Which of the following changes occur in his systemic circulation? A)Blood flow in the capillaries of the fingernail bed becomes pulsatile. B)The circulation time (antecubital vein to tongue)is decreased. C)The arterial pulse pressure (systolic minus diastolic pressure)is decreased. D)The greatest velocity of blood flow prevails in the vena cava. E)Pressure in the right atrium is greater than in the inferior vena cava.