What is microbiology?

Question 1

What is medical microbiology?

Answer 1

The study of microorganisms which are of medical importance and are capable of causing disease in humans

Question 2

Why is it important to know about microbiology?

Answer 2

1. Infections cause mortality and morbidity
2. 30% of patients on antibiotics
3. 1 in 10 acquires an infection while in hospital

Question 3

Normal flora

Answer 3

Microorganisms that help with a range of useful functions such as digestion and preventing pathogens

Question 4

Contamination

Answer 4

Presence of an organism in a culture that was not present in the original sample

Question 5

Colonisation

Answer 5

Presence of an organism at a site but not causing symptoms or disease

Question 6

Infection

Answer 6

Where organisms invade the body site and their multiplication initiates a tissue reaction producing symptoms of disease

Question 7

Virus

Answer 7

1. Small and unable to replicate interdependently

2. Invade host cell and use their cellular macinary to replicate

Question 8

Bacteria

Answer 8

Larger, prokaryotic, capable of independent replication and treat with antibiotics

Question 9

Fungi

Answer 9

Eukaryotic, yeasts and molds, opportunistic diseases

Question 10

Method for classifying bacteria

Answer 10

Gram stain

Question 11

Gram positive

Answer 11

Purple

Question 12

Gram Negative

Answer 12

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