Microbiology For the Healthcare Professional, 1st Edition by Karin C. VanMeter – Test Bank

 

 

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Sample Test

VanMeter: Microbiology for the Healthcare Professional

 

Chapter 03: Cell Structure and Function

 

Test Bank

 

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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