immunology
history of microbiology
general microbiology
secret category
bacteriology
100

Provide a specific example of the 1st line of defense.

Possible answers:  skin, mucociliary escalator, stomach acid, saliva, urine, microbial antagonism by members of normal microbiota

100

Who discovered penicillin

Pasteur

100

The is the staining process for separating bacteria using crystal violet dye, iodine solution, alcohol solution, and safranin dye.

Gram's Stain

100

These make up a large group of one-celled microorganisms; they can be good and bad.

bacteria

100

Streptococcus pyogenes is bacitracin S or R?

sensitive

200

This immunoglobulin circulates as a pentamer.

 IgM

200

Used a primitive microscope to observe stagnant water and scrapings from the teeth

Antony van Leeuwenhoek

200

What are the 5 major groups of microorganisms


1. Protozoa 

2. Bacteria

3. Viruses

4. Algae

5. Fungi

200

aMatch the antimicrobial with its target:

A. beta lactams   B. fluoroquinolone    C. tetracycline         D. aminoglycoside    E. lysozyme

1. _____ inhibits DNA gyrase   

2. _____prevent attachment of tRNA  

3. _____hydrolyzes bonds between NAG-NAM

4. _____inhibits peptide crosslinks between NAMs

5. _____ mRNA is read incorrectly


1. B    2. C    3. E    4. A    5. D

200

most widely used culture medium to grow Mycobacterium Tuberculosis

Lowenstein-Jensen Medium

300

This is the difference between flocculation and agglutination.

Flocculation- floats in solution; agglutination- precipitates and settles to the bottom.

300

Pathogens in milk are destroyed through this, named after the Father of Microbiology.

Louis Pasteur

300

Select the FALSE statement:

A) dry heat is a more effective antimicrobial agent  than moist heat.

B) Some Alcohols, halogens, and heavy metals can be used as antiseptics. 

C) refrigeration/freezing are not reliable bactericidal methods. 

D) ionizing radiation can be used as a sterilant.


A

300

This microorganism is used as a benchmark for the effectiveness of a surface disinfectant. 


Tuberculosis

300

This gram negative diplococcus ferments glucose and maltose and grows on Thayer-Martin

N. meningitidis?

400

Phagocytes have integral membrane proteins  called 1. ____________ which bind to molecular components commonly found on pathogens called 2. ____________. This recognition initiates defensive responses.

1. TLRs (toll like receptors)

2. PAMPS (pathogen associated molecular patterns).

400

Developed a two-part dish, petri plates (still used in microbiology laboratories today), used for growing bacteria and a technique used for isolating pure colonies of bacteria

Robert Koch, Julius petri

400

Name this leukocyte:

granulocyte

phagocytic 

first cell to appear after an infection

short-lived


neutrophil

400

This is a technique used to detect large changes in DNA sequences.

Southern Blot

400

what is true UTI

>100,000 cfu/ml of 1 organism indicates a true UTI

500

Haptens can only induce an immune response when coupled to a ____________________________.

high-molecular weight immunogenic molecules

500

Who recognized that airborne microorganisms were responsible for post surgical infections 


Joseph Lister

500

This mutation is one that results from an insult or DNA replication error.


 somatic

500

Select the true statement:

A) endospores are typically harder to inactivate than prions.

B) gram positives are generally easier to kill than gram negatives.

C) Mycobacteria are among the easiest types of bacteria to kill.

D) gram negatives are harder to kill than endospore-formers.


B

500

What is one way to test for TB?

Skin test, blood test, x-ray, sputum culture

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