Intro to Microbiology

Question 1

What are the 3 domains of life?

Answer 1

Bacteria (Pro), Archaea (Pro) and Eucarya (Euk)

Question 2

What is microbiology?

Answer 2

The study of micro-organims

Question 3

What are the classes of microbial causes of infection?

Answer 3

Bacteria (pro), Viruses (unclass), Fungi (euk), Parasites (euk) and prions (unclass)

Question 4

Order the 5 classess of microbes from largest to smallest

Answer 4

Parasites, fungi, bacteria, viruses and prions

Question 5

How does microbiology and dentistry integrate together?

Answer 5

To identify a clinical diagnosis for the patient’s infection via laboratory tests, that lead to a drug prescription

Question 6

Name some sterile and non-sterile sites of the body

Answer 6

Sterile: brain, blood, liver, kidneys and heart

Non-sterile: GI tract, skin and oral cavity

Question 7

Common specimen types for bacterial culture?

Answer 7

Urine, sputum, throat swabs, faeces, blood and CSF

Question 8

How microbiologists use microscopy for identification?

Answer 8

Light microscopy useful when obvious diagnosis (rapid), but useless for more difficult situations

Question 9

What is essential when creating a culture from a patient?

Answer 9

The origin of the culture

Question 10

Detection methods of viruses from clinical samples?

Answer 10

PCR, antigen detection and serology

Question 11

Detection of parasites?

Answer 11

Microscopy of different life cycle stages

Culture impossible