Meningococcemia is
A. best treated with penicillin G.
B. started from a nasopharyngeal infection.
C. associated with vascular collapse, hemorrhage, and petechiae.
D. caused by a gram-negative diplococcus.
E. All of the choices are correct.
Answer: E
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Which of the following is true of the integration of a viral genome into the host chromosome?
A. Integration begins the process of host chromosome degradation. B. The enzymes that are used in integration are nonspecific for the virus and its host. C. Integration of the viral genome is a form of site-specific recombination. D. All of the choices are correct.
The specific amino acid sequence of a protein is its ________.
A. primary structure B. tertiary structure C. quaternary structure D. secondary structure
Humans become infected with Fasciola by
A) ingesting cysts on vegetation. B) consuming cysticerci in contaminated meat. C) ingesting water contaminated with eggs. D) the penetration of cercariae through the skin. E) the bite of infected mosquitoes.
Professional antigen-presenting cells (APCs) include B cells, macrophages, and (dendritic/plasma/T) cells.
Fill in the blank(s) with the appropriate word(s).