The infectious agent(s) that may arise in a wound from a human bite is/are
A. Escherichia coli.
B. Bacteroides.
C. Actinomyces israelii.
D. Staphylococcus aureus.
E. Bacteroides AND Staphylococcus aureus.
E. Bacteroides AND Staphylococcus aureus.
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If one parent is heterozygous for a dominant allele on an autosome and the other parent does not carry the dominant allele, any child of theirs has a _____ chance of being heterozygous
a. 25 percent b. 50 percent c. 75 percent d. no chance; it will die
HIV
A. is a retrovirus. B. infects most mammals. C. can be killed with antibiotics. D. causes liver cancer. E. can be transmitted through the skin.
Cells produced by dividing B or T cells may immediately begin to destroy an invader. These cells are
called a. effector cells. b. memory cells. c. dendritic cells. d. phagocytes. e. fibroblasts.
How does aspirin act to decrease the symptoms of inflammation?
A) It acts as an antiprostaglandin. B) It is an antitoxoid for most microbial toxins. C) It prevents complement activation. D) It interferes with the action of interferons. E) It blocks the release of histamine.