immunology
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
Who discovered penicillin
Pasteur
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You have to prepare PPT for next topic
These make up a large group of one-celled microorganisms; they can be good and bad.
bacteria
Streptococcus pyogenes is bacitracin S or R?
sensitive
This immunoglobulin circulates as a pentamer.
IgM
Used a primitive microscope to observe stagnant water and scrapings from the teeth
Antony van Leeuwenhoek
What are the 5 major groups of microorganisms
1. Protozoa
2. Bacteria
3. Viruses
4. Algae
5. Fungi
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withdraw 200 points
most widely used culture medium to grow Mycobacterium Tuberculosis
Lowenstein-Jensen Medium
This is the difference between flocculation and agglutination.
Flocculation- floats in solution; agglutination- precipitates and settles to the bottom.
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10 extra points for today
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
This microorganism is used as a benchmark for the effectiveness of a surface disinfectant.
Tuberculosis
This gram negative diplococcus ferments glucose and maltose and grows on Thayer-Martin
N. meningitidis?
Types of innate immunity
Specific and non specific
Pathogens in milk are destroyed through this, named after the Father of Microbiology.
Louis Pasteur
The is the staining process for separating bacteria using crystal violet dye, iodine solution, alcohol solution, and safranin dye.
Gram's Stain
This is a technique used to detect large changes in DNA sequences.
Southern Blot
Causative agent Whooping cough
Bordetella pertussis,
Surprise card
A
B
C
A.5 extra points for today
B. Sing a song
C.Show us your talent
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
This mutation is one that results from an insult or DNA replication error.
somatic
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
What is one way to test for TB?
Skin test, blood test, x-ray, sputum culture