theme 2 Flashcards
where does parotid duct open
stensens duct - buccal mucosa upper molars
where does submandibular duct open
floor of mouth, side of lingual fraenum
most common site for oral cancer
floor of mouth
what would use fix and send a biopsy in
10% formal saline
advantages of 10% formal saline
prevents drying and autolysis
hardens tissue
facilitates staining
when is a fresh biopsy sample required
direct immunofluorescence
immunohistochemistry
cytogenetics
cultures of micro-organisms
how to send fresh biopsy - not fixed - sample
damp gauze
transport medium - nutrient solution
snap frozen
standard stain for histology
haematoxylin and eosin (H&E)
H = blue stain to nuclei
E = pink
3 standard principles for taking radiographs
justification
optimisation
limitation
radiation controlled area
1.5m
Who is an RPS
radiation protection supervisor
named member of practice, legally responsible to ensure rules followed
who is an RPA
radiation protection advisor
medical physicist
routine checks (at least every 3 years), helps create local rules
difference between IRR and IRMER
IRR protects staff
IRMER protects patient
