intro to medical microbiology

Question 1

possible infecting agents (5)

Answer 1

• bacteria
• viruses
• fungi
• parasites
• prions

Question 2

sterile specimen sample sites (4)

Answer 2

• blood
• CSF
• lungs
• bladder

Question 3

non-sterile specimen sample sites (4)

Answer 3

• skin
• nasopharynx
• urethra
• gut

Question 4

specimen collection for UTI

Answer 4

mid-stream urine (MSU)

Question 5

specimen collection for chest infection

Answer 5

sputum

Question 6

tonsillitis/pharyngitis specimen collection

Answer 6

throat swab

Question 7

wound/infected site specimen collection

Answer 7

swab from site or pus

Question 8

specimen collected for diarrhoea

Answer 8

faeces

Question 9

bacteraemia specimen collection

Answer 9

blood culture

Question 10

meningitis specimen collection

Answer 10

CSF

Question 11

unstained microscopy is used to see… (2)

Answer 11

• pus cells (e.g. in urine, CSF)

- parasites (faeces)

Question 12

gram stain is used in microscopy to see… (2)

Answer 12

• bacteria

- yeasts/fungi

Question 13

ZN stain or auramine stain used to see…

Answer 13

mycobacteria

Question 14

observable characters used to ID a bacterial species (3)

Answer 14

• morphological
• physiological
• biochemical

Question 15

types of parasites (3)

Answer 15

• protozoa (malaria, amoebae, flagellates)
• helminths (roundworms, tapeworms, flukes)
• arthropods (lice, ticks, mites)

Question 16

common healthcare acquired infections (4)

Answer 16

• MRSA
• C. Diff
• organisms with extended spectrum β-lactamases (ESBLs)
• noroviruses