MIRCO Chapter 3: Bacteria and Archaea Flashcards
1
Q
Chapter 3 NCLEX Prep
- A client presents to the emergency room with a puncture wound. Which of the following procedures would be the priority intervention to help prevent wound contamination by bacterial spores in the clinical setting?
a. Give an injection of tetanus toxoid if indicated.
b. Use sterile gloves while cleaning the wound.
c. Use clean gloves while cleaning the wound.
d. Medicate client with Tylenol (acetaminophen) if found to be febrile.
A
- a. Give an injection of tetanus toxoid if indicated.
Chapter 3: Bacteria and Archaea
2
Q
Chapter 3 NCLEX Prep
- Walking pneumonia is most often caused by what type of bacterium?
a. Klebsiella
b. Mycoplasma
c. Corynebacterium
d. Haemophilus
e. Streptococcus pneumoniae
A
- b. Mycoplasma
Chapter 3: Bacteria and Archaea
3
Q
Chapter 3 NCLEX Prep
- Why are alcohol swabs used in the treatment of microbial skin infections?
a. They help stabilize cytoplasmic membranes.
b. They prevent infection by dissolving the lipid membrane.
c. They are only effective against gram-positive bacteria.
d. They make the cytoplasmic membrane less permeable.
A
- b. They prevent infection by dissolving the lipid membrane.
Chapter 3: Bacteria and Archaea
4
Q
- Which of the following is not found in all bacterial and archaeal cells?
a. cytoplasmic membrane
b. a nucleoid
c. ribosomes
d. flagellum
A
- d. flagellum
Chapter 3: Bacteria and Archaea
5
Q
- _______ refers to chains of spherical bacterial cells while clusters of spherical cells are called _______.
a. Diplococcus, streptococcus
b. Staphylococcus, streptococcus
c. Streptococcus, staphylococcus
d. Micrococcus, sarcina
A
- c. Streptococcus, staphylococcus
Chapter 3: Bacteria and Archaea
6
Q
- Which structure plays a direct role in the exchange of genetic material between bacterial cells?
a. flagellum
b. pilus
c. capsule
d. fimbria
A
- b. pilus
Chapter 3: Bacteria and Archaea
7
Q
- Which of the following is present in both gram-positive and gram-negative cell walls?
a. an outer membrane
b. peptidoglycan
c. teichoic acid
d. lipopolysaccharides 85
A
- b. peptidoglycan
Chapter 3: Bacteria and Archaea
8
Q
- Bacterial endospores
a. are visualized using the acid-fast stain.
b. are a mechanism for survival.
c. are used for nutrient storage.
d. are easily inactivated by heat.
A
- b. are a mechanism for survival.
Chapter 3: Bacteria and Archaea
9
Q
- Which of the following would be used to identify an unknown bacterial culture in your nursing school laboratory exercise?
a. Gray’s Anatomy
b. Bergey’s Manual of Systematic Bacteriology
c. The Physicians’ Desk Reference
d. Bergey’s Manual of Determinative Bacteriology
A
- d. Bergey’s Manual of Determinative Bacteriology
Chapter 3: Bacteria and Archaea
10
Q
- Which stain is most frequently used to distinguish differences between the cell walls of medically important bacteria?
a. simple stain
b. acridine orange stain
c. Gram stain
d. negative stain
A
- c. Gram stain
Chapter 3: Bacteria and Archaea
11
Q
- Archaea
a. are most genetically related to bacteria.
b. contain a nucleus.
c. cannot cause disease in humans.
d. lack peptidoglycan in their cell wall.
A
- d. lack peptidoglycan in their cell wall.
Chapter 3: Bacteria and Archaea
