Intro To Medical Microbiology

Question 1

List the category of micro organisms that cause infection

Answer 1

Bacteria 
Viruses 
Fungi 
Parasites 
Prions

Question 2

What are the two specimine types

Answer 2

Sterile and non sterile

Question 3

What are the sterile sites

Answer 3

Blood
CSF
Lung
Bladder

Question 4

What are the non sterile sites

Answer 4

Skin
Nasopharynx
Urethra
Gut

Question 5

What are things commonly collected for culture

Answer 5

MSU (mid stream urine) - UTI
Sputum- chest infection 
Throat swab - tonsilitis 
Swab/pus - wound or infection site
Poop - diahorrea
Blood culture  - bacteraemia 
Csf - meningitis

Question 6

difference between sterile sites and non-sterile

Answer 6

sterile sites shouldn’t have infectious organisms

non should
ie GI tract with commensal flora

Question 7

what is microscopy

what are the benefits/negatives

Answer 7

looking down a microscope

rapid, not sensitive(cant see bacteria in sample), un specific

Question 8

what are the different types of microscopy

Answer 8

light
unstained - pus cells, parasites
GRAM stained - bacteria, yeast and fungi
ZN stained - mycobacteria

Question 9

bacteria culture

benefits and negatives

Answer 9

slow, sensitive, variation of conditions

Question 10

methods of detecting viruses

Answer 10

PCR
antigen detection
serology - (detection of antibodies in serum)

Question 11

how do you ID a bacterial species

Answer 11

observable characteristics
morphological
physiological
biochemical

DNA base test