Increased temperature, swelling, redness, and pain are the generalized symptoms of
A. anaphylactic shock.
B. the release of antigens.
C. specific defense mechanism.
D. inflammation.
D. inflammation.
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Which of the following must bring in a virion-associated RNA-dependent RNA polymerase when it infects host cells?
A. +ssRNA viruses B. -ssRNA viruses C. All of the choices are correct. D. +dsRNA viruses
Which tissue type includes fat and blood?
A) muscle B) connective C) epithelial D) nervous
Which of the following distinguishes a mammal from a reptile?
a. Mammals may have hair whereas reptiles have feathers. b. Mammals suckle their young whereas reptiles do not. c. Mammals emerge from eggs whereas reptiles give live birth. d. Mammals evolved before reptiles. e. Mammals evolved from amphibians whereas reptiles evolved from dinosaurs.
A lesion called ________ is a characteristic of an infection with Haemophilus ducreyi
A) a bubo B) a chancroid or soft chancre C) an eschar D) ophthalmia neonatorum E) petechiae