People with type AB blood are considered the "universal recipient" for transfusions because
A) their blood cells lack A and B antigens.
B) their blood lacks A or B agglutinins.
C) their blood is plentiful in A and B agglutinins.
D) they usually have very strong immune systems.
E) they are usually Rh negative.
B
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The serious decrease in the number of thrombocytes or blood platelets is a condition known as ____
a. leukemia b. thrombocytopenia c. erythrocytosis d. mononucleosis
After a hormone has exerted its effects, it typically
A) continues to act until an opposing hormone is secreted. B) spontaneously degrades. C) is absorbed by its target cell. D) is inactivated or removed from the blood. E) is absorbed by the gland that secreted it.
Which of the following is the best description of anabolism??
A) ?Functional activities of cells that result in growth, repair, energy release, use of food, and secretions B) ?Building up of complex materials from simpler ones such as food and oxygen C) ?Breaking down and changing of complex substances into simpler ones, with a release of energy and carbon dioxide
Protein catabolism results in:
A) amino acids. B) nucleic acids. C) fatty acids. D) nucleotides.