Micro smart book

Question 1

Thayner martin agar

used for plating N. gonorhea

include which stains?

Answer 1

Vanc, cilostin (polymixin), TMP, nystatin

Question 2

Which cells produce LPS?

whats the toxic component?

Answer 2

Gram (-)

Lipid A - causes activation of macrophages which then release IL-1 and TNF-a

Question 3

when kids have bad nose bleeds (epistaxis)

which arteries cause this and where are they located?

ie where would you cauterize?

Answer 3

they are located on the Nasal septum

kiesselbach plexus

-anterior ethymoidal, superior labial, sphenopalatine

Question 4

How/why does staph epidermidis cause so much damage to foriegn bodies (heart valves)

Answer 4

because it produces Biofilm

aka extracellular polysacharide matrix

Question 5

What is IgA protease?

Answer 5

IgA has the main function of neutralizing bacteria and viruses (preventing it from adhearing to the membrane)

So igA protease (an enzyme that destroys IgA) allows the bacteria to adhere

Question 6

which mediators cause septic shock?

Answer 6

TNF-a

IL-1

IL-6

Question 7

What is the difference between Transformation and recombination

Answer 7

Transformation: is in Bacteria

Recombination: is in viruses

Question 8

what does corticosteroids do to Nuetrophils?

Answer 8

It demarginates them so you have neutrophilia

Question 9

Difference between treating superficial and hemagenous candidias

Answer 9

superficial is T lymphocytes

hemagenous is Neutrophils

Question 10

what comprises the inside of a psuedocyst in the pancreas

Answer 10

fibrous and granulation tissue

(True cysts lined by epithelium)