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EDKP Chapter 17 Exam Questions With
Correct Answers
What is cardiac output? - answer✔The amount of blood pumped by the heart per minute
What represents the functional capacity of the cardiovascular system? - answer✔Maximal
values of the cardiac output
What is the formula for cardiac output? - answer✔HR x Stroke volume
What are three methods to detect cardiac output? - answer✔1. Direct Fick
2. Indicator dilution
3. CO2 rebreathing
What is the Direct Fick Method? - answer✔It expresses the relationship between VO2 (mL/min)
and arterial-mixed venous oxygen differences (mL/min)
What is the formula for the Direct Fick Method? - answer✔Cardiac output= VO2/ arterial-mixed
venous oxygen differences
How do you get the information to use the Direct Fick method? - answer✔Complex invasive
methodology
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What is the indicator dilution method? - answer✔Injecting a known quantity of inert dye into a
large vein
What reflects the average concentration of blood leaving the heart in the indicator dilution
method? - answer✔The assessment of arterial blood samples and area under dilution-
concentration curve reflects average concentration of blood leaving heart
What are the influencing factors of cardiac output at rest? - answer✔-Emotional conditions
-Nerves that modulate arterial resistance vessels
What is the average cardiac output for men and women? - answer✔5 L/min and 4 L/min
What is the average HR for men and women? - answer✔70 b/min
What is the SV (stroke volume) and cardiac output for women? - answer✔25% below male
values
Why is the SV and cardiac output for women 25% below male values? - answer✔Due to their
generally smaller body size
What is the average SV for men and women? - answer✔71 and 50-60 mL/b
What is the resting HR for endurance athletes? - answer✔50 b/min
What is the resting SV for endurance athletes? - answer✔100 mL/b
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