Which of the following is NOT an example of a walled-off site of infection that contains a fluid made of dead and dying tissue cells, leukocytes, and pathogens?
A. a boil
B. an abscess
C. a pimple
D. a pustule
E. a tumor
Answer: E
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Which of the following would you expect to have the most free energy per gram? The most free energy per gram would be found in a molecule with _____
A) carbon and hydrogen atoms only B) carbon, hydrogen, and oxygen atoms only C) a variety of atoms that are found in cells D) hydrogen and oxygen atoms only
T cells of the immune system include _____
A) CD4, CD8, and plasma cells B) cytotoxic and helper cells C) plasma, antigen-presenting, and memory cells D) lymphocytes, macrophages, and dendritic cells E) class I MHC, class II MHC, and memory cells
Which would be TRUE if a metabolic poison were to completely inhibit the function of mitochondrial ATP synthase?
A. The pH difference across the inner mitochondrial membrane would decrease. B. The pH difference across the inner mitochondrial membrane would increase. C. ATP synthesis would increase. D. Oxygen consumption would decrease. E. The accumulation of NADH would increase.
Which of the following groups has a series of similar segments that make up most of the body?
A) millipedes B) crustaceans C) scorpions D) insects