Microbiology Practice Test

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Photo depicts Earth from space.
This NASA image is a composite of several satellite-based views of Earth. To make the whole-Earth image, NASA scientists combine observations of different parts of the planet. (credit: NASA/GSFC/NOAA/USGS)

Viewed from space, Earth offers no clues about the diversity of life forms that reside there. The first forms of life on Earth are thought to have been microorganisms that existed for billions of years in the ocean before plants and animals appeared. The mammals, birds, and flowers so familiar to us are all relatively recent, originating 130 to 200 million years ago. Humans have inhabited this planet for only the last 2.5 million years, and only in the last 200,000 years have humans started looking like we do today.

Test PDF eBook: 
Microbiology Practice Test
Download Microbiology Test PDF eBook
55 Pages
2015
English US
Educational Materials



Sample Questions from the Microbiology Practice Test Test

Question: Choose the most likely pathogen from a sputum sample.

Choices:

Streptococcus pneumoniae

Staphylococcus aureus

Escherichia coli

Neisseria meningitidis

Question: Which of the following media will optimaly facilitate the growth of GP and GN organisms?

Choices:

MAC

HE

BAP

All media listed

Question: Choose the correct gram stain results for Streptococcus pneumoniae.

Choices:

GNDC

GPC chains

GPDC

GNCB

Question: With regard to bacteria, which of the following is NOT a nutrient or resource required for optimal growth?

Choices:

Source of ATP

Source of Carbon

Source of Nitrogen

Proper pH

Question: Choose the gram staining step that does not make sense.

Choices:

Primary staining is performed by using crystal violet

The time that the mordant remains on the slide is not critical

Decolorization is a critical step, and if improperly performed can result in poor staining quality.

Safranin is a secondary or counterstain

Question: In order to recover all potential pathogens that could be found in CSF, which media must be included in the culture setup?

Choices:

CHOC

BAP

MAC

THIO

Question: Choose the media that is considered to be both selective and differential.

Choices:

CHOC

BAP

CAMPY

CNA

Question: Based upon the following description, what is the first biochemical test that should be performed on the colony in order to reach an identification? The culture site is a wound from the lower leg. Heavy growth on CHOC with a golden color Heavy beta hemolysis on BAP Colonies are opaque and white to golden in color No growth on MAC

Choices:

Coagulase

Catalase

FOX disk

A disk

Question: Fastidious organisms tend to require which type of environmental condition more than the others?

Choices:

Aerobic

Anaerobic

Capnophilic

Microaerophilic

Question: In order to count the number of colonies growing on a urine culture, which method of plating must be chosen?

Choices:

Quantitative

Qualitative

Isolation

Any listed

Question: Which of the following items is not required labeling component on a patient sample?

Choices:

2 unique patient identifiers

Patient date of birth

Collection time

Patient SSN

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