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HUBS1406 exam | 142Questions and Answers Verified 100%
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HUBS1406 exam | 142Questions and Answers Verified 100%
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HUBS1406 exam | 142Questions and AnswersVerified 100%
The short term response to low blood pressure is - ✔✔Increased heart rate and vascular
resistance
Why are arterioles known as resistance vessels? - ✔✔They alter their resistance to regulate
blood pressure
What will NOT result in increased blood flow to a tissue? - ✔✔Increased haematocrit
What would result in increased blood pressure? - ✔✔Increase in cardiac output
myocardial infarctions result from - ✔✔Obstruction of blood flow to heart muscle
What are we measuring when we measure blood pressure? - ✔✔Arterial pressure
What can an ECG not show? - ✔✔Cardiac output
Arterial blood pressure is greatest when - ✔✔The ventricles are contracting
What hormone would be released in response to low blood pressure that remains low? -
✔✔Aldosterone
If the left AV valve were narrowed this would result in - ✔✔A decrease in output of the left
ventricle
, What prevents the AV valves from reversing into the atria? - ✔✔Contraction of the papillary
muscles
Where does blood flow after it enters the heart from the vena cavae? - ✔✔Tricuspid valve
What would happen if the pulmonary valve was damaged and allowing backflow? - ✔✔Back
up of blood on right side of heart, higher pressure in the veins
The main control of resistance to blood flow occurs in the - ✔✔Arterioles
What stops backflow of blood into the atria during ventricular contraction? - ✔✔Chordae
tendineae
At the arterial end of a capillary, water is forced out of the capillary by - ✔✔Blood pressure
in the capillary
Long term control of blood pressure operates by adjusting - ✔✔Blood volume
What would happen if a patient's adrenal cortex was not secreting enough hormones? -
✔✔Low blood pressure caused by sodium and water loss in the kidneys
Where is the centre controlling respiration located? - ✔✔Brainstem
When does air move out of the lungs? - ✔✔when pressure inside lungs is greater than
atmospheric pressure
After inhaling deeply and exhaling as much as possible, the volume of air expelled is the -
✔✔Vital capacity
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