Microbiology and Immunology Exam with Complete Solutions
Microbiology and Immunology Exam with Complete Solutions Most human pathogens are classified as a. mesophiles b. thermophiles c. psychrophiles d. hyperthermophiles ANSWER a. mesophiles Microbes that are classified as beta-hemolytic have the ability to a. lyse white blood cells b. produce endotoxins c. lyse red blood cells d. ferment glucose ANSWER c. lyse red blood cells Which kind of relationship is exhibited by bacterial normal flora in a host's large intestine? a. commensal b. parasitic c. symbiotic d. competitive ANSWER c. symbiotic Antibiotics may lead to septic shock if used to treat a. viral infections b. gram positive bacteria that produce exotoxins c. protozoan infections
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microbiology and immunology exam