MICROBIOLOGY GOOD REVISION QUESTIONS AND THEIR CORRECT ANSWERS
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Course
MICROBIOLOGY
Institution
MICROBIOLOGY
Select the methods below that illustrate the use of moist heat to control microbes.
a. steam autoclave
b. incineration
c. pasteurization
d. desiccation
e. tantalization
f. boiling water
a, c, e, f
the relative resistance of various microbes to microbial control agents. --most resistant to l...
select the methods below that illustrate the use o
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MICROBIOLOGY GOOD REVISION
QUESTIONS AND THEIR CORRECT
ANSWERS
Select the methods below that illustrate the use of moist heat
to control microbes.
a. steam autoclave
b. incineration
c. pasteurization
d. desiccation
e. tantalization
f. boiling water
a, c, e, f
the relative resistance of various microbes to microbial control
agents. --most resistant to least
prions, bacterial endospores, mycobacterium, staphylococcus
and pseudomonas, protozoan cysts, protozoan trophozoites,
most gram-negative bacteria, fungi and fungal spores, non
enveloped spores, most gram-positive bacteria, enveloped virus
Choose the statement that identifies the major disadvantage
of both cold and desiccation in terms of microbial control.
a. These methods are technically difficult and labor intensive.
b. These methods may encourage growth of microbial
populations.
,c. These methods are bacteriostatic rather than bactericidal.
d. These methods produce harmful by-products and are costly.
C
Which of the following are correctly matched?
a. Bactericidal—inhibits the growth of bacteria
b. Bactericidal—kills bacteria
c. Bacteriostatic—inhibits the growth of bacteria
d. Bacteriostatic—kills bacteria
B and C
What is the most important action by the RN prior to
beginning the dressing change?
proper hand hygiene
The wound care RN uses hydrogen peroxide in wound
cleansing. Which of the following terms best represents the
treatment goal with the application of this chemical agent?
antisepsis
Which of the following would not be killed by standard-
concentration hydrogen peroxide?
endospores
Which of the following are physical control methods?
a. phenolics
b. cold
c. dry and moist heat
, d. radiation
e. halogens
f. desiccation
B, C, D, F
Choose the method used to sterilize a bacteriologic loop
before and after inoculating a culture in the laboratory.
a. hot air
b. tyndallization
c. incineration
d. radiation
e. pasteurization
C
Please choose the answer that best completes the blanks of
this sentence in the correct order.
A(n) _________ would be used to destroy bacteria on a
countertop whereas a(n) _________ would be used on skin
prior to making an incision.
a. disinfectant; antiseptic
b. antiseptic; disinfectant
c. sterilant; disinfectant
d. antiseptic; sterilant
A
Ionizing and nonionizing radiation can be used in microbial
control. Which of the following statements are true regarding
the use of radiation?
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