★ First Aid Quiz
If someone is bleeding badly, how long should you put pressure on the wound to slow the blood flow?
A. 10 minutes
B. 20 minutes
C. Until the bleeding stops
D. Never put pressure. Allow the blood to flow freely
Select your answer:
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Coronary Heart Diseases › View State the phase of cardiac cycle shown in the diagram.
A. Atrial systole, ventricular systole
B. Atrial diastole, ventricular systole
C. Atrial systole, ventricular diastole
D. Atrial diastole, ventricular diastole
Hematology › View
It is the ratio of the volume of erythrocytes to that of the whole blood
A. Hematocrit
B. Hemoglobin
C. ESR
D. MCV