Microbiology Study Questions #2
10 Questions
| Total Attempts: 116
Rest of Micro questions
Questions and Answers
- 1.Certain dyes may be added to culture media to:
- A.
Indicate metabolic activity of microorganisms
- B.
Selectively grow certain microogranisms by inhibiting the growth of others
- C.
Both
- D.
Neither
- 2.One of the following is a selective medium used to isolate pathogenic gram negative bacilli from stool specimen:
- A.
Salmonella-shigella
- B.
Sheep blood agar
- C.
MacConkey
- D.
Eosin-methylene blue
- 3.The first man to use an antiseptic in surgery to prevent infection was:
- A.
Lister
- B.
Koch
- C.
Pasteur
- D.
Tyndal
- 4.The study of the factors that determine the occurrence of disease in populations is called:
- A.
Morbidity
- B.
Public health
- C.
Epidemiology
- D.
Infection control
- 5.The best choice to disinfect a nonmetallic surfaces contaminated with blood would be:
- A.
A phenol solution
- B.
Fresh 5% bleach
- C.
70% isopropyl alcohol
- D.
Green soap
- 6.The most powerful method of sterilization by heat is:
- A.
Dry heat
- B.
Boiling
- C.
Live steam
- D.
Steam under pressure
- 7.Virulence is:
- A.
Infectiveness
- B.
Pathogenicity
- C.
Degree of pathogenicity
- D.
Invasiveness
- 8.An opportunistic organism is a:
- A.
Harmless organism
- B.
Normal flora organism
- C.
Helpful organism
- D.
Potentially harmful organism
- 9.Organisms that have become established in an area of the human body are referred to as:
- A.
Normal flora
- B.
Opportunists
- C.
Symbiotic
- D.
Pathogens
- 10.Organisms which grow in the presence of atmospheric oxygen are:
- A.
Anaerobes
- B.
Parasites
- C.
Aerobes
- D.
Hosts
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