Chapter 3 - Multiple Choice Flashcards
1
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
2
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
3
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
A
B
4
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
5
Q
Which of the following would be used to identify an unknown bacterial culture in your nursing school laboratory?
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
6
Q
Which is the most frequently used to distinguish differences between the cell walls of medically important bacteria? A. Simple stain B. Arcidine orange stain C. Gram stain D. Negative stain
A
C
7
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
8
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
