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Questions and Answers
What factors determine systemic oxygen delivery to the tissues?
What factors determine systemic oxygen delivery to the tissues?
- Strength of the heart's contraction and rate of contraction
- Heart rate and stroke volume
- Venous return and arterial oxygen content
- Perfusion and oxygen content of the blood (correct)
Which formula is used to determine cardiac output?
Which formula is used to determine cardiac output?
- $CO = HR - SV$
- $CO = HR \times SV$ (correct)
- $CO = HR + SV$
- $CO = \frac{HR}{SV}$
What is the product of systemic oxygen delivery to the tissues?
What is the product of systemic oxygen delivery to the tissues?
- Cardiac output and arterial oxygen content (correct)
- Stroke volume and venous return
- Heart rate and perfusion
- Inotropy and chronotropy
What is the first compensatory response when oxygen delivery is inadequate?
What is the first compensatory response when oxygen delivery is inadequate?
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Which factors determine cardiac output?
Which factors determine cardiac output?
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What is the main concern in the prehospital setting for a patient with hemorrhage?
What is the main concern in the prehospital setting for a patient with hemorrhage?
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How long does direct pressure take to control most types of hemorrhage?
How long does direct pressure take to control most types of hemorrhage?
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What is the characteristic of arterial bleeding?
What is the characteristic of arterial bleeding?
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How can external hemorrhage be controlled by a paramedic?
How can external hemorrhage be controlled by a paramedic?
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What method may reduce bleeding when there are fractures?
What method may reduce bleeding when there are fractures?
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