Basic Clinical Laboratory Techniques 6th Edition By Barbara H. -Test Bank
Lesson 7-1: Introduction to Clinical Microbiology
TRUE/FALSE
1. Another designation for rod-shaped bacteria is cocci.
ANS: F PTS: 1
2. Bacteria that retain the crystal violet stain are said to be gram-negative.
ANS: F PTS: 1
3. Sheep’s blood agar (BA) supports the growth of most bacteria.
ANS: T PTS: 1
4. Organisms that live in, on, or at the expense of another organism are parasites.
ANS: T PTS: 1
5. Fastidious organisms will grow on most types of media.
ANS: F PTS: 1
MULTIPLE CHOICE
1. Minimum inhibitory concentration:
a. is the area around an antibiotic disk
b. is a diagnostic method using antigen-antibody reactions
c. is the concentration of an antibiotic required to inhibit the growth of a microorganism
d. is the same as the Bauer-Kirby method
ANS: C PTS: 1
2. A growth medium that supports the growth of most organisms is:
a. EMB c. “chocolate” agar
, b. Thayer-Martin d. 5% sheep’s blood agar (BA)
ANS: D PTS: 1
3. Organisms that live in, on, or at the expense of another organism:
a. are called host organisms
b. are parasites
c. are always unicellular
d. are found only in blood and bone marrow
ANS: B PTS: 1
4. In microbiology, which of the following is true?
a. Hyphae are filaments of mold that make up the mycelium.
b. The parasite spends its entire life cycle in one host.
c. A bacillus is a spherical organism.
d. A culture is a defined mass of microorganisms.
ANS: A PTS: 1
5. In the POL, which of the following would be most likely to be performed?
a. parasitology procedures c. fungal cultures
b. bacterial cultures d. virus cultures
ANS: B PTS: 1
6. Another name for spiral- or helical-shaped bacteria is:
a. bacillus c. coccobacillus
b. spirochete d. gram-negative
ANS: B PTS: 1
7. According to international rules of nomenclature, regarding the scientific names of living things:
a. the first part of the name is the family name
b. the second part of the name is the genus name
c. the first and second parts of the name are capitalized
d. scientific names must be italicized if typed or underlined if handwritten
ANS: D PTS: 1
8. Microbiology includes:
a. only the study of bacteria
b. only bacteria and fungi
c. the study of organisms of microscopic size
d. the study of only pathogens
ANS: C PTS: 1
9. All of the following are true EXCEPT:
a. Bacteria are single-celled microorganisms.
b. Bacteria usually multiply by fission.
c. All bacteria are pathogens.
d. A bacterium is a single organism.
ANS: C PTS: 1
, 10. Which of the following is true concerning growth requirements of bacteria?
a. Anaerobic bacteria grow in the absence of oxygen.
b. Aerobic bacteria require CO 2 to grow.
c. Fastidious organisms can grow on almost any medium.
d. Few organisms can grow on 5% sheep’s blood agar.
ANS: A PTS: 1
COMPLETION
1. A rod-shaped bacterium is called a(n) ____________________.
ANS: bacillus
PTS: 1
2. A defined mass of bacteria assumed to have grown from a single organism is called a(n)
____________________.
ANS: colony
PTS: 1
3. Bacteria that require special nutritional factors to survive are called ____________________.
ANS:
fastidious
fastidious bacteria
PTS: 1
4. A culture is growth of microorganisms in a special ____________________.
ANS: medium
PTS: 1
5. Bacteria that lose the crystal violet stain and retain the safranin in the Gram stain procedure are
designated ____________________ bacteria.
ANS:
gram-negative
gram negative
PTS: 1
6. Another name for a spherical bacterium is ____________________.
ANS: coccus
PTS: 1
7. Organisms that will grow only in the absence of oxygen are referred to as ____________________.
, ANS:
anaerobic
anaerobic organisms
PTS: 1
8. Microorganisms that are normally present in a specific site are the normal ____________________.
ANS: flora
PTS: 1
9. An organism or agent that is capable of causing disease in a host is a(n) ____________________.
ANS: pathogen
PTS: 1
10. A pathological condition caused by growth of microorganisms in the host is a(n)
____________________.
ANS: infection
PTS: 1
MATCHING
Choose the best match for each item. Answers can be used more than once.
a. Neisseria gonorrhoeae c. Escherichia coli
b. Streptococcus d. Staphylococcus aureus
1. infections, boils
2. urinary tract infections
3. chocolate agar
4. EMB agar
5. blood agar
1. ANS: D PTS: 1
2. ANS: C PTS: 1
3. ANS: A PTS: 1
4. ANS: C PTS: 1
5. ANS: B PTS: 1
Lesson 7-2: Bacteriology Specimen Collection and Processing
TRUE/FALSE
1. Aerobic bacteria grow only in the absence of oxygen.
ANS: F PTS: 1
Lesson 7-1: Introduction to Clinical Microbiology
TRUE/FALSE
1. Another designation for rod-shaped bacteria is cocci.
ANS: F PTS: 1
2. Bacteria that retain the crystal violet stain are said to be gram-negative.
ANS: F PTS: 1
3. Sheep’s blood agar (BA) supports the growth of most bacteria.
ANS: T PTS: 1
4. Organisms that live in, on, or at the expense of another organism are parasites.
ANS: T PTS: 1
5. Fastidious organisms will grow on most types of media.
ANS: F PTS: 1
MULTIPLE CHOICE
1. Minimum inhibitory concentration:
a. is the area around an antibiotic disk
b. is a diagnostic method using antigen-antibody reactions
c. is the concentration of an antibiotic required to inhibit the growth of a microorganism
d. is the same as the Bauer-Kirby method
ANS: C PTS: 1
2. A growth medium that supports the growth of most organisms is:
a. EMB c. “chocolate” agar
, b. Thayer-Martin d. 5% sheep’s blood agar (BA)
ANS: D PTS: 1
3. Organisms that live in, on, or at the expense of another organism:
a. are called host organisms
b. are parasites
c. are always unicellular
d. are found only in blood and bone marrow
ANS: B PTS: 1
4. In microbiology, which of the following is true?
a. Hyphae are filaments of mold that make up the mycelium.
b. The parasite spends its entire life cycle in one host.
c. A bacillus is a spherical organism.
d. A culture is a defined mass of microorganisms.
ANS: A PTS: 1
5. In the POL, which of the following would be most likely to be performed?
a. parasitology procedures c. fungal cultures
b. bacterial cultures d. virus cultures
ANS: B PTS: 1
6. Another name for spiral- or helical-shaped bacteria is:
a. bacillus c. coccobacillus
b. spirochete d. gram-negative
ANS: B PTS: 1
7. According to international rules of nomenclature, regarding the scientific names of living things:
a. the first part of the name is the family name
b. the second part of the name is the genus name
c. the first and second parts of the name are capitalized
d. scientific names must be italicized if typed or underlined if handwritten
ANS: D PTS: 1
8. Microbiology includes:
a. only the study of bacteria
b. only bacteria and fungi
c. the study of organisms of microscopic size
d. the study of only pathogens
ANS: C PTS: 1
9. All of the following are true EXCEPT:
a. Bacteria are single-celled microorganisms.
b. Bacteria usually multiply by fission.
c. All bacteria are pathogens.
d. A bacterium is a single organism.
ANS: C PTS: 1
, 10. Which of the following is true concerning growth requirements of bacteria?
a. Anaerobic bacteria grow in the absence of oxygen.
b. Aerobic bacteria require CO 2 to grow.
c. Fastidious organisms can grow on almost any medium.
d. Few organisms can grow on 5% sheep’s blood agar.
ANS: A PTS: 1
COMPLETION
1. A rod-shaped bacterium is called a(n) ____________________.
ANS: bacillus
PTS: 1
2. A defined mass of bacteria assumed to have grown from a single organism is called a(n)
____________________.
ANS: colony
PTS: 1
3. Bacteria that require special nutritional factors to survive are called ____________________.
ANS:
fastidious
fastidious bacteria
PTS: 1
4. A culture is growth of microorganisms in a special ____________________.
ANS: medium
PTS: 1
5. Bacteria that lose the crystal violet stain and retain the safranin in the Gram stain procedure are
designated ____________________ bacteria.
ANS:
gram-negative
gram negative
PTS: 1
6. Another name for a spherical bacterium is ____________________.
ANS: coccus
PTS: 1
7. Organisms that will grow only in the absence of oxygen are referred to as ____________________.
, ANS:
anaerobic
anaerobic organisms
PTS: 1
8. Microorganisms that are normally present in a specific site are the normal ____________________.
ANS: flora
PTS: 1
9. An organism or agent that is capable of causing disease in a host is a(n) ____________________.
ANS: pathogen
PTS: 1
10. A pathological condition caused by growth of microorganisms in the host is a(n)
____________________.
ANS: infection
PTS: 1
MATCHING
Choose the best match for each item. Answers can be used more than once.
a. Neisseria gonorrhoeae c. Escherichia coli
b. Streptococcus d. Staphylococcus aureus
1. infections, boils
2. urinary tract infections
3. chocolate agar
4. EMB agar
5. blood agar
1. ANS: D PTS: 1
2. ANS: C PTS: 1
3. ANS: A PTS: 1
4. ANS: C PTS: 1
5. ANS: B PTS: 1
Lesson 7-2: Bacteriology Specimen Collection and Processing
TRUE/FALSE
1. Aerobic bacteria grow only in the absence of oxygen.
ANS: F PTS: 1
