Exam 2 Flashcards
Any practice that helps reduce the number
and spread of microorganisms
Medical asepsis
- The complete removal of microorganisms and
their spore from the surface of an object - Done with sterilization
Surgical asepsis
when to use surgical asepsis?
Any medical procedure that involves penetration of body tissues
Unrestricted zone – people may enter in street clothing
Zone 1
Semirestricted zone – only people in surgical scrubs with hair covered and shoes covered may enter
Zone 2
Restricted zone – Only people in surgical dress, shoe covers, and masks are allowed. If a surgical procedure is in progress, the doors are kept closed and only people directly involved in the procedure may be present. Those performing the procedure and dressed in sterile gowns and sterile gloves
Zone 3
what makes something sterile?
all microorganisms and spores are removed
what are the requirements for something to be considered disinfected?
as many of microorganisms as possible are eliminated
from surfaces by physical or chemical means
- Most common intraocular cancer of childhood
- Initiated by mutation of RB1 gene which was the first
described tumor suppressor gene
Retinoblastoma
what are the two types of Retinoblastoma?
hereditary and nonheditary