Test Bank For Microbiology An Introduction 12th Edition By Gerard J. Tortora

Test Bank For Microbiology An Introduction 12th Edition By Gerard J. Tortora

Chapter 3 Observing Microorganisms Through a Microscope

3.1 Multiple-Choice Questions

1) Which of the following is NOT equal to 1 mm?

A) 0.001 m

B) 106 nm

C) 0.1 cm

D) 100 μm

E) 10-3 m

Answer: D

Section: 3.1

Bloom’s Taxonomy: Knowledge

Learning Outcome: 3.1

2) What structure does light pass through after leaving the condenser in a compound light microscope?

A) ocular lens

B) objective lens

C) specimen

D) illuminator

Answer: C

Section: 3.2

Bloom’s Taxonomy: Knowledge

ASMcue Outcome: 2.1

Learning Outcome: 3.2

3) Which of the following pairs is mismatched?

A) nigrosin – negative stain

B) methylene blue – simple stain

C) acidic dye – capsule stain

D) basic dye – negative stain

E) crystal violet – simple stain

Answer: D

Section: 3.3

Bloom’s Taxonomy: Analysis

ASMcue Outcome: 8.1

Learning Outcome: 3.7

4) Which of the following places the steps of the Gram stain in the correct order?

1-Alcohol-acetone

2-Crystal violet

3-Safranin

4-Iodine

A) 1-2-3-4

B) 2-1-4-3

C) 2-4-1-3

D) 4-3-2-1

E) 1-3-2-4

Answer: C

Section: 3.3

Bloom’s Taxonomy: Application

ASMcue Outcome: 8.1

Learning Outcome: 3.9

5) Which of the following pairs is mismatched?

A) alcohol-acetone — decolorizer

B) crystal violet — basic dye

C) safranin — acid dye

D) iodine — mordant

E) carbolfuchsin — basic dye

Answer: C

Section: 3.3

Bloom’s Taxonomy: Analysis

ASMcue Outcome: 8.1

Learning Outcome: 3.7