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 antibodies.
C) their blood is plentiful in A and B antibodies.
D) they usually have very strong immune systems.
E) they are usually Rh negative.
Answer: B
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Of the three major religions of China, _____ is the only truly indigenous one and one of the few religions to advocate the cultivation of sexual techniques for the benefit of the individual.
A. Dongbaism B. Confucianism C. Buddhism D. Taoism
The average amount of hemoglobin in the blood of an adult female is
a) 5-10 g/dL of blood. b) 15-16 g/dL of blood. c) 20-25 g/dL of blood. d) 30-40 g/dL of blood. e) More than 50 g/dL of blood.
Answer the following questions true (T) or false (F)
1. A cell with 12 pairs of homologous chromosomes is said to be diploid, 2n. 2. From one original cell, four genetically unique daughter cells, each with 23 nonreplicated chromosomes, are produced at the conclusion of meiosis II of spermatogenesis. 3. Testosterone is made by the myoid cells of the male testes.
In normal circumstances, if membranes of adjacent structures appear to be pressed firmly together and no actual space is observed between them, this is referred to as a ________ space.
A. potential B. mesenter C. peritoneal D. visceral