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Chapter: 12.6 / Q: 61
Which of the following statements about the cardiovascular centre of the brain is FALSE?
Chapter: 12.6 / Q: 62
Which statement about cardiac output is correct?
Chapter: 12.6 / Q: 63
Which of the following would produce a DECREASE in heart rate?
Chapter: 12.6 / Q: 64
A rise in arterial blood pressure stretches the vessel walls which contain baroreceptors. Which of the following responses does this produce? The baroreceptors send a:
Chapter: 12.6 / Q: 65
Why is the blood pressure in the pulmonary arteries less than in the aorta?
Chapter: 12.6 / Q: 66
When blood pressure is measured in the brachial artery by the auscultatory method, why should the arm be at the same level as the heart?
Chapter: 12.6 / Q: 67
Why is blood pressure stated in units of “mm Hg”?
Chapter: 12.6 / Q: 68
Blood may flow in the aorta with a speed of 30 cm/s and in the capillaries with a speed of only 0.1 m/s. Why is there such a large difference in speed?
Chapter: 12.6 / Q: 69
Which statement about cardiac output is correct? Cardiac output is: A. the sum of volume of blood pumped by left and right ventricles per minute
Chapter: 12.6 / Q: 70
In which of the following situations would blood pressure be increased?
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