Microbiology For the Healthcare Professional, 1st Edition by Karin C. VanMeter – Test Bank
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VanMeter: Microbiology for the Healthcare Professional
 
Chapter 03: Cell Structure and Function
 
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MULTIPLE CHOICE
 
1.    Matrix
formed outside the plasma membrane is referred to as
| 
   a.  | 
  
   Cytoplasm  | 
 
| 
   b.  | 
  
   Glycocalyx  | 
 
| 
   c.  | 
  
   Exoplasm  | 
 
| 
   d.  | 
  
   Cell wall  | 
 
 
ANS:   B
 
2.    The
cell organelles found only in algae and plant cells are
| 
   a.  | 
  
   Chloroplasts  | 
 
| 
   b.  | 
  
   Mitochondria  | 
 
| 
   c.  | 
  
   Vacuoles  | 
 
| 
   d.  | 
  
   Vesicles  | 
 
 
ANS:   A
 
3.    Peptidoglycan
is typically found in the
| 
   a.  | 
  
   Cell wall  | 
 
| 
   b.  | 
  
   Plasma membrane  | 
 
| 
   c.  | 
  
   Nucleus  | 
 
| 
   d.  | 
  
   Endoplasmic reticulum  | 
 
 
ANS:   A
 
4.    Chitin
is a component of the cell wall of
| 
   a.  | 
  
   Algae  | 
 
| 
   b.  | 
  
   Bacteria  | 
 
| 
   c.  | 
  
   Fungi  | 
 
| 
   d.  | 
  
   Viruses  | 
 
 
ANS:   C
 
 
5.    Bacteria
that have a single polar flagellum at one end are referred to as
| 
   a.  | 
  
   Amphitrichous  | 
 
| 
   b.  | 
  
   Monotrichous  | 
 
| 
   c.  | 
  
   Peritrichous  | 
 
| 
   d.  | 
  
   Lophotrichous  | 
 
 
ANS:   B
 
6.    Bacteria
that have flagella that are distributed over the general cell surface are
referred to as
| 
   a.  | 
  
   Amphitrichous  | 
 
| 
   b.  | 
  
   Monotrichous  | 
 
| 
   c.  | 
  
   Peritrichous  | 
 
| 
   d.  | 
  
   Lophotrichous  | 
 
 
ANS:   C
 
7.    Pili
are also called
| 
   a.  | 
  
   Microvilli  | 
 
| 
   b.  | 
  
   Fimbriae  | 
 
| 
   c.  | 
  
   Cilia  | 
 
| 
   d.  | 
  
   Flagella  | 
 
 
ANS:   B
 
8.    The
structures that can move fluid, mucus, or cells over the surface of a cell are
| 
   a.  | 
  
   Microvilli  | 
 
| 
   b.  | 
  
   Fimbriae  | 
 
| 
   c.  | 
  
   Cilia  | 
 
| 
   d.  | 
  
   Flagella  | 
 
 
ANS:   C
 
9.    The
fluidlike portion of a cell is referred to as
| 
   a.  | 
  
   Inclusion  | 
 
| 
   b.  | 
  
   Cytoplasm  | 
 
| 
   c.  | 
  
   Cytosol  | 
 
| 
   d.  | 
  
   Nucleoplasm  | 
 
 
ANS:   C
 
 
10.  Which
of the following structures is shaped like a hollow cylinder made out of
tubulin proteins?
| 
   a.  | 
  
   Intermediate filaments  | 
 
| 
   b.  | 
  
   Microtubules  | 
 
| 
   c.  | 
  
   Microfilaments  | 
 
| 
   d.  | 
  
   Flagella  | 
 
 
ANS:   B
 
11.  The
cell organelle responsible for the packaging of proteins is the
| 
   a.  | 
  
   Ribosome  | 
 
| 
   b.  | 
  
   Golgi complex  | 
 
| 
   c.  | 
  
   rER  | 
 
| 
   d.  | 
  
   Lysosome  | 
 
 
ANS:   B
 
12.  Which
of the following cell organelles contain digestive enzymes?
| 
   a.  | 
  
   Mitochondria  | 
 
| 
   b.  | 
  
   Chloroplasts  | 
 
| 
   c.  | 
  
   Lysosomes  | 
 
| 
   d.  | 
  
   Peroxisomes  | 
 
 
ANS:   C
 
13.  Which
of the following organelles contain oxidative enzymes capable of oxidizing
toxic substances?
| 
   a.  | 
  
   Mitochondria  | 
 
| 
   b.  | 
  
   Chloroplasts  | 
 
| 
   c.  | 
  
   Lysosomes  | 
 
| 
   d.  | 
  
   Peroxisomes  | 
 
 
ANS:   D
 
14.  Stroma
is a component of
| 
   a.  | 
  
   Mitochondria  | 
 
| 
   b.  | 
  
   Chloroplasts  | 
 
| 
   c.  | 
  
   Lysosomes  | 
 
| 
   d.  | 
  
   Peroxisomes  | 
 
 
ANS:   B
 
 
15.  Which
of the following organisms produces toxins that target cholesterol?
| 
   a.  | 
  
   Aeromonas hydrophila  | 
 
| 
   b.  | 
  
   Escherichia coli  | 
 
| 
   c.  | 
  
   Streptococcus pyogenes  | 
 
| 
   d.  | 
  
   Corynebacterium diphtheriae  | 
 
 
ANS:   C
 
16.  The
intracellular fluid has a high concentration of
| 
   a.  | 
  
   Sodium  | 
 
| 
   b.  | 
  
   Potassium  | 
 
| 
   c.  | 
  
   Bicarbonate  | 
 
| 
   d.  | 
  
   Sulfate  | 
 
 
ANS:   B
 
17.  Which
of the following is an active transport mechanism?
| 
   a.  | 
  
   Osmosis  | 
 
| 
   b.  | 
  
   Facilitated diffusion  | 
 
| 
   c.  | 
  
   Filtration  | 
 
| 
   d.  | 
  
   Pinocytosis  | 
 
 
ANS:   D
 
18.  Which
of the following transport mechanisms transports water across the plasma
membrane?
| 
   a.  | 
  
   Osmosis  | 
 
| 
   b.  | 
  
   Facilitated diffusion  | 
 
| 
   c.  | 
  
   Phagocytosis  | 
 
| 
   d.  | 
  
   Exocytosis  | 
 
 
ANS:   A
 
19.  The
movement of molecules through a membrane from an area of high hydrostatic
pressure to an area of lower hydrostatic pressure is
| 
   a.  | 
  
   Osmosis  | 
 
| 
   b.  | 
  
   Exocytosis  | 
 
| 
   c.  | 
  
   Simple diffusion  | 
 
| 
   d.  | 
  
   Filtration  | 
 
 
ANS:   D
 
 
20.  Enzymatic
reactions can be expressed in which of the following chemical notations?
| 
   a.  | 
  
   S + P = E  | 
 
| 
   b.  | 
  
   P + P = E  | 
 
| 
   c.  | 
  
   E + S = P  | 
 
| 
   d.  | 
  
   S + S = P  | 
 
 
ANS:   C
 
21.  Enzymes
that remove functional groups from a substrate without adding water, or that
add functional groups to a double bond, are called
| 
   a.  | 
  
   Oxidoreductases  | 
 
| 
   b.  | 
  
   Transferases  | 
 
| 
   c.  | 
  
   Hydrolases  | 
 
| 
   d.  | 
  
   Lyases  | 
 
 
ANS:   D
 
22.  Chemically,
most enzymes are
| 
   a.  | 
  
   Proteins  | 
 
| 
   b.  | 
  
   Lipids  | 
 
| 
   c.  | 
  
   Nucleic acids  | 
 
| 
   d.  | 
  
   Carbohydrates  | 
 
 
ANS:   A
 
23.  The
net gain of ATP molecules after the breakdown of one glucose molecule in
glycolysis is
| 
   a.  | 
  
   1  | 
 
| 
   b.  | 
  
   2  | 
 
| 
   c.  | 
  
   3  | 
 
| 
   d.  | 
  
   4  | 
 
 
ANS:   B
 
24.  The
compound that enters the Krebs cycle and combines with oxaloacetic acid is
| 
   a.  | 
  
   Citric acid  | 
 
| 
   b.  | 
  
   Pyruvic acid  | 
 
| 
   c.  | 
  
   Acetyl-CoA  | 
 
| 
   d.  | 
  
   Phosphoglyceraldehyde  | 
 
 
ANS:   C
 
 
25.  Formic
acid is a fermentation product of
| 
   a.  | 
  
   Streptococcus  | 
 
| 
   b.  | 
  
   Klebsiella  | 
 
| 
   c.  | 
  
   Clostridium  | 
 
| 
   d.  | 
  
   Actinomyces  | 
 
 
ANS:   D
 
26.  The
central dogma concerning the flow of information from genetic material was
first introduced by
| 
   a.  | 
  
   Ernst Ruska  | 
 
| 
   b.  | 
  
   Francis Crick  | 
 
| 
   c.  | 
  
   Camillo Golgi  | 
 
| 
   d.  | 
  
   Carl Bender  | 
 
 
ANS:   B
 
27.  The
anticodons are located in
| 
   a.  | 
  
   tRNA  | 
 
| 
   b.  | 
  
   rRNA  | 
 
| 
   c.  | 
  
   mRNA  | 
 
| 
   d.  | 
  
   Ribosomes  | 
 
 
ANS:   A
 
28.  Binary
fission is a form of reproduction used by
| 
   a.  | 
  
   Viruses  | 
 
| 
   b.  | 
  
   Bacteria  | 
 
| 
   c.  | 
  
   Fungi  | 
 
| 
   d.  | 
  
   Helminths  | 
 
 
ANS:   B
 
29.  In
which phase of mitosis do the chromatids separate?
| 
   a.  | 
  
   Prophase  | 
 
| 
   b.  | 
  
   Metaphase  | 
 
| 
   c.  | 
  
   Anaphase  | 
 
| 
   d.  | 
  
   Telophase  | 
 
 
ANS:   C
 
 
30.  DNA
replication occurs in which phase of the cell cycle?
| 
   a.  | 
  
   G phase  | 
 
| 
   b.  | 
  
   Prophase  | 
 
| 
   c.  | 
  
   Metaphase  | 
 
| 
   d.  | 
  
   S phase  | 
 
 
ANS:   D
 
COMPLETION
 
1.    Cells
without a nucleus are __________ cells.
 
ANS:   Prokaryotic
 
2.    Proteins
that are partially embedded on one side of the plasma membrane are referred to
as __________ proteins.
 
ANS:   Peripheral
 
3.    The
sterol-like molecule in bacterial plasma membranes is a(n) __________.
 
ANS:   Hopanoid
 
4.    Movement
of bacteria toward or away from a particular stimulus is called __________.
 
ANS:   Taxis
 
5.    The
nucleus is surrounded by a(n) __________.
 
ANS:   Nuclear envelope
 
6.    An
enzyme that requires a coenzyme/cofactor to function, but does not have one
bound, is called a(n) __________.
 
ANS:   Apoenzyme
 
7.    The
allosteric site is a component of __________.
 
ANS:   Enzymes
 
8.    The organelle
necessary for photosynthesis is a(n) __________.
 
ANS:   Chloroplast
 
 
MATCHING
 
Match the description below with the correct item from this
list.
| 
   a.  | 
  
   Cytoskeleton  | 
 
| 
   b.  | 
  
   Cytosol  | 
 
| 
   c.  | 
  
   Mitochondria  | 
 
| 
   d.  | 
  
   Golgi apparatus  | 
 
| 
   e.  | 
  
   rER  | 
 
| 
   f.  | 
  
   Bacterial ribosome subunit  | 
 
| 
   g.  | 
  
   Enzyme  | 
 
| 
   h.  | 
  
   Dental plaque  | 
 
| 
   i.  | 
  
   Phospholipids  | 
 
| 
   j.  | 
  
   Endocytosis  | 
 
| 
   k.  | 
  
   Cell wall  | 
 
| 
   l.  | 
  
   Passive transport  | 
 
 
 
1.    Plasma
membrane
 
2.    Peptidoglycan
 
3.    Biofilm
 
4.    Microtubules
 
5.    Protein
synthesis
 
6.    ATP
production
 
7.    70S
 
8.    Brownian
movement
 
9.    Phagocytosis
 
10.  Hydrolase
 
1.    ANS:
I
 
2.    ANS:
K
 
3.    ANS:
H
 
4.    ANS:
A
 
5.    ANS:
E
 
6.    ANS:
C
 
7.    ANS:
F
 
8.    ANS:
L
 
9.    ANS:
J
 
10.  ANS:
G
 
Match the description below to the correct name from this list.
| 
   a.  | 
  
   Robert Hooke  | 
 
| 
   b.  | 
  
   Rudolph Kölliker  | 
 
| 
   c.  | 
  
   Naegeli and Cramer  | 
 
| 
   d.  | 
  
   Schleiden and Schwann  | 
 
| 
   e.  | 
  
   Antony van Leeuwenhoek  | 
 
| 
   f.  | 
  
   Richard Altman  | 
 
| 
   g.  | 
  
   Ernst Ruska  | 
 
 
 
11.  Observed
cells of a cork
 
12.  Proposed
the cell theory
 
13.  Developed
mitochondrial stain
 
14.  Described
the cell membrane as a barrier
 
15.  Built
the first TEM
 
11.  ANS:
A
 
12.  ANS:
D
 
13.  ANS:
F
 
14.  ANS:
C
 
15.  ANS:
G
 
VanMeter: Microbiology for the Healthcare Professional
Chapter 04: Microbiological Laboratory Techniques
 
Test Bank
 
MULTIPLE CHOICE
 
1.    An
inanimate object or substance capable of transporting pathogens from one medium
or individual to another is referred to as a
| 
   a.  | 
  
   Vector  | 
 
| 
   b.  | 
  
   Fomite  | 
 
| 
   c.  | 
  
   Transporter  | 
 
| 
   d.  | 
  
   Transposon  | 
 
 
ANS:   B
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