Introduction to Diagnostic Microbiology for the Laboratory Sciences, Second Edition – Complete Test Bank 2026 | Verified Questions & Answers

Chapter 1 Test Bank for Introduction to Diagnostic Microbiology for the Laboratory Sciences, Second Edition

,Chapter 1 Test Bank for Introduction to Diagnostic Microbiology for the Laboratory Sciences, Second Edition



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Chapter: Chapter 01 - Quiz



Multiple Choice



1. Which of the following is a phenotypical characteristic used for classifying bacteria?
A) Staining characteristics
B) Macroscopic morphology
C) Nutritional needs
D) All of these are correct.
Ans: D
Complexity: Easy
Ahead: Classification and Taxonomy
Subject: Chapter 1
Title: Taxonomy, the Microbial Cell, Metabolism, and Genetics
Taxonomy: Recall



2. Which of the following is written correctly using the binomial system of nomenclature?
A) STAPHYLOCOCCUS aureus
B) Streptococcus pyogenes
C) Staphylococcus Epidermidis
D) enterococcus faecalis
Ans: B
Complexity:Moderate
Ahead:Classification and Taxonomy
Subject: Chapter 1
Title: Taxonomy, the Microbial Cell, Metabolism, and Genetics
Taxonomy:Application



3. The bacterial cell:
A) does not have any organelles.
B) contains DNA within the cytoplasm.
C) contains 40S and 60S ribosomal subunits.

,Chapter 1 Test Bank for Introduction to Diagnostic Microbiology for the Laboratory Sciences, Second Edition


D) has double-stranded DNA that is bound to histones.
Ans: B
Complexity:Moderate
Ahead:Bacterial Components
Subject: Chapter 1
Title: Taxonomy, the Microbial Cell, Metabolism, and Genetics
Taxonomy:Recall



4. Which of the following extensions enable the bacterial cell to attach to host cells?
A) Flagella
B) Pili
C) Plasmids
D) Ribosomes
Ans: B
Complexity: Easy
Ahead: Bacterial Components
Subject: Chapter 1
Title: Taxonomy, the Microbial Cell, Metabolism, and Genetics
Taxonomy: Recall



5. The gram-positive cell wall contains all of the following, except:
A) O antigen.
B) peptidoglycan.
C) teichoic acids.
D) lipoteichoic acids.
Ans: A
Complexity:Moderate
Ahead:Bacterial Components
Subject: Chapter 1
Title: Taxonomy, the Microbial Cell, Metabolism, and Genetics
Taxonomy:Application



6. Exotoxins:
A) are secreted by gram negative bacteria.
B) may be extracellular enzymes.
C) consist of LPS.
D) can induce fever upon cell lysis.
Ans:B
Complexity:Moderate
Ahead:Bacterial Components
Subject: Chapter 1
Title: Taxonomy, the Microbial Cell, Metabolism, and Genetics
Taxonomy:Application



7. Gram-positive bacteria contain , which are not found in gram-negative bacteria.
A) capsules
B) periplasmic space and an outer membrane
C) teichoic acids

, Chapter 1 Test Bank for Introduction to Diagnostic Microbiology for the Laboratory Sciences, Second Edition


D) cross-linked peptidoglycans
Ans: C
Complexity:Moderate
Ahead:Bacterial Components
Subject: Chapter 1
Title: Taxonomy, the Microbial Cell, Metabolism, and Genetics
Taxonomy:Recall



8. The are important for motility of the bacterial cell.
A) pili
B) capsules
C) flagella
D) LPS
Ans: C
Complexity:Easy
Ahead: Bacterial Components
Subject: Chapter 1
Title: Taxonomy, the Microbial Cell, Metabolism, and Genetics
Taxonomy:Recall



9. The morphology of those bacteria that are round and arranged in pairs is known as:
A) diplococci.
B) streptococci.
C) bacilli.
D) coccobacilli.
Ans: A
Complexity:Easy
Ahead:Characteristics of Eukaryotes and Prokaryotes
Subject: Chapter 1
Title: Taxonomy, the Microbial Cell, Metabolism, and Genetics
Taxonomy:Application



10. Microorganisms that are of the same species, but have different physiologic characteristics, are
known as:
A) subspecies.
B) biotypes.
C) serovars.
D) strains.
Ans: B
Complexity:Moderate
Ahead: Classification and Taxonomy
Subject: Chapter 1
Title: Taxonomy, the Microbial Cell, Metabolism, and Genetics
Taxonomy:Recll



11. Those bacteria that can use aerobic respiration or fermentative processes for metabolism are
categorized as:
A) microaerophiles.