An infection acquired by a hospitalized patient that was not present when he or she was admitted into the hospital is referred to as which of the following?
A. an autonomous infection
B. a nosocomal infection
C. an opportunistic infection
D. septic introduction
Ans: B. a nosocomal infection
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Water diffuses through certain organs such as the kidneys and bladder much faster than would occur by passive diffusion through a lipid bilayer alone. What accounts for this more rapid rate of water transport in these organs?
A. The composition of lipids changes to promote water transport. B. Presence of aquaporin channels for facilitated diffusion of water. C. Presence of a water pump. D. Presence of an ATP-driven enzyme for water transport. E. The presence of molecules that bind water and change its membrane permeability properties.
From the equator to latitudes 10? north and south, high rainfall, high humidity, and mild temperatures
can support __________. Fill in the blank(s) with the appropriate word(s).
Rice and its grain relatives, maize, barley, and wheat, diverged from a common ancestor 50 million years ago. However, the chromosomes of these plants demonstrate extensive conserved arrangements of segments. This phenomenon is called
A. expressed sequence equilibrium. B. contig. C. synteny. D. single nucleotide polymorphisms. E. linkage disequilibrium.
Which of the following diseases results in an acquired or secondary immunodeficiency?
A. HIV infection B. Bruton's tyrosine kinase deficiency C. Leukocyte adhesion deficiency D. Wiskott-Aldrich syndrome