Oxygen Delivery to Tissues

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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?

$CO = HR - SV$

$CO = HR \times SV$ (correct)

$CO = HR + SV$

$CO = \frac{HR}{SV}$

What is the product of systemic oxygen delivery to the tissues?

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?

Increase cardiac output Signup and view all the answers

Which factors determine cardiac output?

Heart rate and stroke volume Signup and view all the answers

What is the main concern in the prehospital setting for a patient with hemorrhage?

Controlling bleeding Signup and view all the answers

How long does direct pressure take to control most types of hemorrhage?

4 to 6 minutes Signup and view all the answers

What is the characteristic of arterial bleeding?

Bright red and spurting Signup and view all the answers

How can external hemorrhage be controlled by a paramedic?

Applying direct pressure Signup and view all the answers

What method may reduce bleeding when there are fractures?

Immobilization by splinting Signup and view all the answers

Oxygen Delivery to Tissues

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Questions and Answers

What factors determine systemic oxygen delivery to the tissues?

Which formula is used to determine cardiac output?

What is the product of systemic oxygen delivery to the tissues?

What is the first compensatory response when oxygen delivery is inadequate?

Which factors determine cardiac output?

What is the main concern in the prehospital setting for a patient with hemorrhage?

How long does direct pressure take to control most types of hemorrhage?

What is the characteristic of arterial bleeding?

How can external hemorrhage be controlled by a paramedic?

What method may reduce bleeding when there are fractures?

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