Microbiology for the Healthcare Professional 2nd Edition By Van Meter – Test Bank
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Chapter 04: Bacteria and Archaea
VanMeter: Microbiology for the Healthcare Professional, 2nd
Edition
MULTIPLE CHOICE
1. Rod-shaped
bacteria, some of which are endospore forming, are referred to as
|
a. |
cocci. |
|
b. |
bacilli. |
|
c. |
spirals. |
|
d. |
vibrios. |
ANS:
B
REF: p. 83
2. Beadlike
chains of cocci formed after cell division along a single axis are called
|
a. |
diplococci. |
|
b. |
streptococci. |
|
c. |
tetrads. |
|
d. |
sarcinae. |
ANS:
B
REF: p. 83
3. The
causative agent for Lyme disease is a
|
a. |
Spirillum. |
|
b. |
Spirochete. |
|
c. |
Vibrio. |
|
d. |
Diplococcus. |
ANS:
B
REF: p. 84
4. Bacterial
replication is accomplished primarily by
|
a. |
mitosis. |
|
b. |
meiosis. |
|
c. |
cytokinesis. |
|
d. |
binary fission. |
ANS:
D
REF: p. 86
5. Bacteria
that use oxygen, but only at low concentration, are classified as
|
a. |
obligate aerobes. |
|
b. |
microaerophiles. |
|
c. |
obligate anaerobes. |
|
d. |
aerotolerant anaerobes. |
ANS:
B
REF: p. 90
6. Bacteria
that use organic compounds as the source of both carbon and energy are referred
to as
|
a. |
photoautotrophs. |
|
b. |
chemoautotrophs. |
|
c. |
photoheterotrophs. |
|
d. |
chemoheterotrophs. |
ANS:
D
REF: p. 88
7. Microorganisms
that show optimal growth in moderate temperatures (between 25° C and 40° C) are
called
|
a. |
thermophiles. |
|
b. |
psychrophiles. |
|
c. |
mesophiles. |
|
d. |
psychrotrophs. |
ANS:
C
REF: p. 89
8. Psychrophiles
are also referred to as
|
a. |
cryophiles. |
|
b. |
thermophiles. |
|
c. |
mesophiles. |
|
d. |
psychrotrophs. |
ANS: A
REF: p. 89
9. Which
of the following organisms is a common cause of peptic ulcers?
|
a. |
Treponema pallidum |
|
b. |
Vibrio cholerae |
|
c. |
Helicobacter pylori |
|
d. |
Escherichia coli |
ANS:
C
REF: p. 90
10. Treponema
pallidum and Borrelia
burgdorferi belong to the group of
|
a. |
gram-negative aerobic rods
and cocci. |
|
b. |
anaerobic gram-negative
rods. |
|
c. |
anaerobic gram-negative
cocci. |
|
d. |
spirochetes. |
ANS:
D
REF: p. 91
11. Legionella and Neisseria are
examples of
|
a. |
facultative anaerobic
gram-negative rods. |
|
b. |
gram-negative aerobic rods
and cocci. |
|
c. |
spirochetes. |
|
d. |
anaerobic gram-negative
cocci. |
ANS:
B
REF: p. 92
12. Staphylococci
and streptococci are best classified in the group of
|
a. |
gram-positive cocci. |
|
b. |
gram-negative cocci. |
|
c. |
gram-negative aerobic rods
and cocci. |
|
d. |
anaerobic gram-negative
cocci. |
ANS:
A
REF: p. 97
13. Which
of the following is a host-dependent bacterium?
|
a. |
Mycoplasma |
|
b. |
Ureaplasma |
|
c. |
Rickettsia |
|
d. |
Micrococcus |
ANS:
C
REF: p. 95
14. Bacteria
that prefer high levels of salt in their growing environment are referred to as
|
a. |
calciphiles. |
|
b. |
halophiles. |
|
c. |
osmophiles. |
|
d. |
mesophiles. |
ANS:
B
REF: p. 101
COMPLETION
1. Bacteria
whose overall shape is spherical or nearly spherical are referred to as
__________.
ANS: cocci
REF: p. 83
2. The
time bacteria need to adapt to a medium before cell division starts is called
the __________ phase of a bacterial growth curve.
ANS: lag
REF: p. 87
3. Microorganisms
that acquire energy from light are called __________.
ANS: phototrophs
REF: p. 88
4. Microorganisms
that grow only in the presence of oxygen are called __________.
ANS: obligate aerobes
REF: p. 90
5. A
“bull’s-eye” rash is typical of __________ disease.
ANS: Lyme
REF: p. 92
6. Rhizobium is
an organism typically used in the field of __________.
ANS: agriculture
REF: p. 92
7. Staphylococci
are _______________ facultative anaerobes.
ANS: gram-positive
REF: p. 96
8. Methanogens
are __________ that grow in anaerobic environments such as swamps.
ANS: archaea
REF: p. 100
9. The
time required for doubling of the population is called the________________ .
ANS: generation time
REF: p. 87
10. Bacterial
species whose shape is variable or morphologically indistinct depending on
environmental conditions is called ________________________.
ANS: pleomorphic
REF: p. 83
MATCHING
Match the description below with the correct item from this
list.
|
a. |
Rickettsia rickettsii |
|
b. |
Chlamydia psittaci |
|
c. |
Bordetella pertussis |
|
d. |
Helicobacter pylori |
|
e. |
Salmonella |
|
f. |
Neisseria gonorrhoeae |
|
g. |
Clostridium perfringens |
1. Typhoid
fever
2. Gonorrhoea
3. Whooping
cough
4. Rocky
Mountain spotted fever
5. Gas
gangrene
1. ANS:
E
REF: p. 94
2. ANS:
F
REF: p. 93
3. ANS:
C
REF: p. 93
4. ANS:
A
REF: p. 96
5. ANS:
G
REF: p. 98
Match the description below with the correct item from this
list.
|
a. |
Psychrotrophs |
|
b. |
Thermophiles |
|
c. |
Chemoautotrophs |
|
d. |
Chemoheterotrophs |
|
e. |
Sarcinae |
|
f. |
Tetrads |
|
g. |
Vibrios |
|
h. |
Spirillium |
|
i. |
Cocci |
6. Bacteria
with a spherical shape
7. Comma-shaped
rods
8. Cocci
arranged in cubes of eight after cell division
9. Microbes
that use chemical compounds as the source of energy and carbon
10. Heat-loving
organisms
6. ANS:
I
REF: p. 83
7. ANS:
G
REF: p. 84
8. ANS:
E
REF: p. 85
9. ANS:
D
REF: p. 88
10. ANS:
B
REF: p. 89Chapter
07: Physical and Chemical Methods of ControlVanMeter: Microbiology for the
Healthcare Professional, 2nd Edition
MULTIPLE CHOICE
a. Decontamination
is defined as the
|
a. |
killing of all microorganisms in a given area. |
|
b. |
reduction or removal of unwanted chemical or
biological agents. |
|
c. |
stopping of the growth of microorganisms in a given
area. |
|
d. |
removal of all vegetative organisms. |
ANS:
B
REF: p. 151
b. Which
of the following has a higher resistance to environmental stresses than the
others?
|
a. |
Bacterial endospores |
|
b. |
Fungal spores |
|
c. |
Enveloped viruses |
|
d. |
Vegetative bacterial cells |
ANS:
A
REF: p. 151
c. The
cleaning of glassware and tableware in restaurants falls into the category of
|
a. |
degermation. |
|
b. |
sterilization. |
|
c. |
disinfection. |
|
d. |
sanitization. |
ANS:
D
REF: p. 153
d. Which
of the following methods is the simplest heat-related method to sterilize
metal?
|
a. |
Incineration |
|
b. |
Autoclaving |
|
c. |
Direct flaming |
|
d. |
Indirect heating |
ANS:
C
REF: p. 155
e. Boiling
items in water for __________ minutes will kill most vegetative bacteria and
viruses.
|
a. |
3-5 |
|
b. |
5-6 |
|
c. |
6-8 |
|
d. |
10-15 |
ANS:
D
REF: p. 157
f. The
technique that combines freezing and drying to preserve microbes and other
cells is
|
a. |
desiccation. |
|
b. |
lyophilization. |
|
c. |
pasteurization. |
|
d. |
radiation. |
ANS:
B
REF: p. 157
g. Ionizing
radiation involves all of the following except
|
a. |
UV light |
|
b. |
Gamma rays |
|
c. |
Electron beams |
|
d. |
X-rays |
ANS:
A
REF: pp. 157-158
h. The
term “zone of inhibition” is used in which of the following procedures?
|
a. |
Use-dilution test |
|
b. |
Growth inhibition test |
|
c. |
Disk-diffusion test |
|
d. |
Multiple inhibition test |
ANS:
C
REF: p. 160
i. Chlorine
belongs to which of the following chemical groups?
|
a. |
Halogens |
|
b. |
Heavy metals |
|
c. |
Phenols |
|
d. |
Alcohols |
ANS:
A
REF: p. 160
j. All
of the following are methods for food preservation except
|
a. |
Pasteurization |
|
b. |
Disinfection |
|
c. |
Irradiation |
|
d. |
Ultrahigh-temperature pasteurization |
ANS: B
REF: pp. 163-165
k. The
time in minutes in which 90% of the bacterial population will be killed at a
given temperature is called the
|
a. |
generation time. |
|
b. |
thermal death time. |
|
c. |
sterilization time. |
|
d. |
decimal reduction time. |
ANS:
D
REF: p. 155
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