Introduction to Microbiology Flashcards Preview

Principles of Disease > Introduction to Microbiology > Flashcards

Flashcards in Introduction to Microbiology Deck (18):
1

Where can infection be found?

-Essentially everywhere including:
-dental caries and periodontal disease
-infectious disease
-intensive care
-haemotology and oncology patients
-children
-general practice
-hospital acquired infections (HAI)

2

What are 5 possible infecting agents?

-bacteria
-viruses
-fungi
-parasites
-prions

3

What specimen types are sterile sites?

-blood
-CSF
-lung
-bladder

4

What specimen types are non-sterile sites?

-skin
-nasopharynx
-urethra
-gut

5

Specimen collection for bacterial culture:
UTI

mid-stream urine (MSU)

6

Specimen collection for bacterial culture-:
chest infection

sputum:

7

Specimen collection for bacterial culture:
tonsillitis/pharyngitis

throat swab

8

Specimen collection for bacterial culture:
wound or site of infection

swab or pus (swabs are sent in bacterial transport medium)

9

Specimen collection for bacterial culture:
diarrhoea

faeces

10

Specimen collection for bacterial culture:
bacteraemia

blood culture

11

Specimen collection for bacterial culture:
meningitis

cerebro-spinal fluid (CSF)

12

What aren't visible under light microscope?

viruses

13

What is unstained microscopy used to see?

Pus cells (e.g. in urine, CSF)

14

What is stained microscopy used to see?

Parasites ( e.g in faeces)

15

What is a gram stain used to see?

bacteria and yeasts/fungi

16

What is a ZN stain or auramine stain used to see?

mycrbacteria

17

Describe gram staining and microscopy.

-rapid= telephone urgent information
-not sensitive
-can't usually identify particular species

18

Describe bacterial culture.

-slow
-sensitive
-culture conditions suitable for the expected species