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Chapter: 12.5 / Q: 27
If a blood pressure is stated as 16 over 10.6 (in units of kilopascals) this means:
Chapter: 12.5 / Q: 28
As a result of the pumping action of the heart, we are able to feel pulsations in our superficial arteries (e.g. the radial pulse). This effect is an example of which of the following?
Chapter: 12.5 / Q: 29
Suppose that a person who is standing still, has a mean arterial pressure in the aorta of 13 kPa (98 mmHg). The blood pressure at the start of the arterioles of the feet will be:
Chapter: 12.5 / Q: 30
A systolic blood pressure which is stated as 16 kPa (120 mmHg) means that the pressure in the arterial blood is:
Chapter: 12.5 / Q: 31
Given that a healthy resting blood pressure may be stated as 16/10.6 (in units of kPa). What would the reading on the pressure gauge of a sphygmomanometer that was measuring blood pressure in the posterior tibial artery of a standing patient be closest to?
Chapter: 12.5 / Q: 32
Consider an arteriole that is 50 cm distant from the aorta. If blood pressure in the aorta is 130 mmHg and in the arteriole is 30 mmHg, what is the pressure GRADIENT between the two?
Chapter: 12.5 / Q: 33
In a resting heart pumping 5 litres of blood per minute, the average aortic blood pressure is 13.3 kPa. Suppose arterial blood pressure falls to 3.3 kPa at the start of a capillary that is 50 cm from the heart. What is the pressure gradient along the path from heart to capillary?
Chapter: 12.5 / Q: 34
If a stenosis reduces the size of a blood vessel to half of the original diameter, the volume flow rate through the vessel will be reduced. Which relationship below determines the extent of the decrease in flow?
Chapter: 12.5 / Q: 35
During an auscultatory blood pressure determination, the Korotkoff sounds that are listened for are produced because
Chapter: 12.5 / Q: 36
Consider a capillary where the blood hydrostatic pressure is 3300 Pa at the arterial end and 2000 Pa at the venous end. If the difference between the osmotic pressures inside and outside the capillary is 2900 Pa, what would be the net pressure difference between the surrounding tissue and blood in t
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