A person with B+ blood is likely to have which antibodies in their blood plasma?
A. Anti-A only
B. Anti-B, Anti-Rh
C. Anti-A, Anti-Rh
D. Anti-B only
Answer: A
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What may happen to red blood cells placed in a hypotonic solution? a. They may shrink
b. They may swell. c. They remain the same. d. They become nucleated.
During contraction, asynchronous cycling of cross bridges
a. prevents tetany b. prevents thick filaments from slipping backwards c. prevents thin filaments from slipping backwards d. utilizes less ATP e. does not do any of the above
During excitation-contraction coupling,
a. the action potential travels down the T tubules b. Ca2+ is released from the sarcoplasmic reticulum c. Ca2+ is taken up by the sarcoplasmic reticulum d. both a and b occur e. both a and c occur
Damage to the semilunar valve on the right side of the heart would affect blood flow to which vessel?
A) pulmonary trunk B) aorta C) pulmonary veins D) superior vena cava E) inferior vena cava