★ Heart Quiz
Which of the following has a strong, positive inotropic effect, meaning it increases the strength of each contraction of the heart?
A. Hypocalcemia
B. Hypercalcemia
C. Hyperkalemia
D. Myocardial hypercapnia
E. Myocardial hypoxia
Preview next quiz:
If a person’s heart is pumping 5000 mL of blood in one minute and the heart rate is 50 beats per minute, what is the cardiac output?
A. 250,000 mL/min
B. 25,000 mL/min
C. 100 mL/min
D. 1000 mL/min
E. None of these are correct.
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