Which of the following gases has the highest partial pressure in saturated alveolar air?
A) oxygen
B) nitrogen
C) water vapor
D) carbon dioxide
E) carbon monoxide
B) nitrogen
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The spleen is essentially a giant lymph node, because it is encapsulated, has trabeculae, and filters lymph to remove antigens.
Answer the following statement true (T) or false (F)
What happens in redox reactions?
A) the electron acceptor is oxidized B) the organic substance that loses hydrogen is usually reduced C) both decomposition and electron exchange occur D) the reaction is uniformly reversible
Which type of neuroglial cell has a cuboidal shape?
A. Oligodendrocytes B. Microglia C. Schwann cells D. Ependymal cells E. Astrocytes
The major site for processing information and integrating mental processes is the
A) ANS (parasympathetic division). B) ANS (sympathetic division). C) CNS. D) PNS. E) somatic motor nervous system.