Topics: Body Fluids & Circulation Quiz
Serum differs from blood in
A. Lacking globulins
B. Lacking albumins
C. Lacking clotting factors
D. Lacking antibodies
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Doctors use stethoscopes to hear the sound produced during each cardiac cycle. The second sound is heard when
A. AV nodes receives signal from SA node
B. All valves open up
C. Ventricular walls vibrate due to gushing in of blood from atria
D. Semilunar valves close down after blood flows into vessels from ventricles