Filters
Question type

Study Flashcards

This bacterial state occurs when a host harbors a disease-causing organism,but does not show signs of disease.


A) Carrier
B) Transient
C) Resident
D) Indigenous

E) All of the above
F) A) and C)

Correct Answer

verifed

verified

The stomach can be considered the first line of defense against microbial infections because:


A) Most microorganisms are susceptible to the antibiotics and alkaline pH present in the stomach.
B) Most microorganisms are killed by the liver enzymes that are emptied into the stomach during a meal.
C) The stomach produces lipase, which attacks the lipopolysaccharide cell wall of the organisms.
D) Most microorganisms are susceptible to the acid pH of the stomach.

E) None of the above
F) All of the above

Correct Answer

verifed

verified

One of the most effective defenses bacteria have against phagocytosis is:


A) Enzymes
B) The capsule
C) Plasmids
D) Lipopolysaccharide layer

E) A) and B)
F) None of the above

Correct Answer

verifed

verified

This is a form of food poisoning that can be life threatening.


A) S. aureus
B) B. cereus
C) C. difficile
D) C. botulinum

E) A) and B)
F) C) and D)

Correct Answer

verifed

verified

Organisms that participate in a biologic relationship where both benefit from one another are called:


A) Parasites
B) Symbionts
C) Hosts
D) Florae

E) All of the above
F) C) and D)

Correct Answer

verifed

verified

Showing 41 - 45 of 45

Related Exams

Show Answer