All infectious diseases

All infectious diseases  A. are contagious. B. only occur in humans. C. are caused by microorganisms or their products. D. are caused by vectors. E....

Reservoirs include

Reservoirs include  A. humans. B. animals. C. soil. D. water. E. All of the choices are correct. Answer:...

A sign is a/an

A sign is a/an  A. objective indication of disease. B. subjective indication of disease. C. measurable by a health care personnel. D. temperature. E....

A symptom is a/an

A symptom is a/an  A. objective indication of disease. B. subjective indication of disease. C. measurable by a health care personnel. D. temperature. E....

Which is mismatched?

Which is mismatched?  A. secondary infection - infection spreads to several tissue sites B. mixed infection - several agents established at...

The suffix -emia means

The suffix -emia means  A. blood. B. a disease or morbid process. C. an inflammation. D. tumor. E. pertaining to. Answer: ...

An endotoxin is

An endotoxin is  A. secreted by pathogenic organisms. B. indicative of gram-negative organisms. C. indicative of gram-positive organisms. D. indicative...

Exotoxins

Exotoxins  A. are secreted by pathogenic organisms. B. are bound to the membrane of pathogenic organisms. C. are bound to the cell wall of pathogenic...

Which is mismatched?

Which is mismatched?  A. fimbriae - adherence to substrate B. capsules - antiphagocytic factor C. coagulase - dissolve fibrin clots D. leukocidins...

Enterotoxins are

Enterotoxins are  A. virulence factors. B. toxins that target the intestines. C. proteins. D. exotoxins. E. All of the choices are correct. Answer:...

Exotoxins are

Exotoxins are  A. proteins. B. only released after a cell is damaged or lysed. C. antiphagocytic factors. D. secretions that always target nervous...

Opportunistic pathogens

Opportunistic pathogens  A. cause disease in every individual. B. cause disease in compromised individuals. C. are always pathogens. D. have well-developed...

Infection occurs when

Infection occurs when  A. contaminants are present on the skin. B. a person swallows microbes in/on food. C. a person inhales microbes in the...