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Plastic Surgery
Surg Tech Plastics & Reconstructive
Question | Answer |
---|---|
For the tumescent liposuction, extensive suctioning of greater than ______ mL or cc can cause hypovolemia or other fluid/hemodynamic complications | 1000 |
The tumescent solution is a mixture of | 250 mL NaCl, 75 mL Lidocaine with epi, 2 mL Wydase |
Rapid side-to-side movement used for sharp dissection | oscillating |
Dead tissue that sloughs off of healthy skin | eschar |
Excoriated tissue; loss of intact coverings | denuded |
For which procedure would the ST prepare a tumescent solution? | suction lipectomy (liposcution) |
____ or ____ may power an oscillating-blade dermatome | electricity or nitrogen |
What is used on donor site of a skin graft as a lubricant? | sterile mineral oil |
3 types of handheld knife dermatomes | Ferris-Smith, Watson, and Wek-Cel |
What is a FTSG composed of? | epidermis and all of dermis |
What is a STSG composed of? | epidermis and approx. half of dermis |
What is done for a FTSG to heal by primary intention? | donor site wound must be sutured |
What is done for a STSG to heal? | dressed and allowed to heal b/c epithelium growth occurs due to dermis that is left in place |
The intugumentary system contains ___ main layers: | 2 - epidermis (outer) and dermis (inner) |
Epidermis consists of ____ or ____ layers called _____ | 4 or 5; Strata |
Epidermis layers (from innermost to outermost) | Stratum basale, Stratum spinosum, Stratum granulosum, Stratum lucidum, Stratum corneum |
Other name for dermis | Stratum cornium |
2 layers of dermis | Reticular layer, Papillary layer |
Subcutaneous layer (hypodermis) consists of | adipose and loose connective tissue |
Oil producing glands | sebaceous glands |
Oil produced by sebaceous glands is called | sebum |
Sebum | helps with fluid regulation and keeps skin and hair soft/pliable |
Sweat glands | sudoriferous glands |
3 types of sudoriferous glands | Merocrine glands and Apocrine glands, ceruminous gland |
Merocrine glands | distributed over most of body and open directly to skin surface through pores |
Apocrine glands | larger than Merocrine glands; located in external genitalia and axillae |
Ceruminous gland | only found in external auditory canal that secretes cerumen |
3 locations with no sweat glands | portions of external genitalia, nipples, lips |
1st degree burn | just epidermis - erythema, no blisters |
2nd degree burn | dermis to varying degrees - blister/extremely painful |
3rd degree burn | completely penetrate full thickness of skin and often underlying structures - permanent tissue damage |
4th degree burn | "char burns" - damage blood vessels, nerves, muscles, and tendons, bone density |
Rule of Nines | Head/neck - 9% Ant/Post trunk - 18% each Upper extremities - 9% Lower extremities - 9 % Perineum - 1% |
What instrument do you use to handle skin grafts? | Adson smooths |
I&D | irrigation and debridement |
What should be done with the harvested skin graft while awaiting meshing or application? | placed in body temp saline |
Dermachalasis | relaxation and hypertrophy of eyelid skin |
What causes dermachalsis? | sun exposure and age |
Name of incision for blepharoplasty? | elliptical (made along ciliary margin following natural curve of eyelid) |
Contraction of the palmar fascia | Dupuytren's contracture |
Med term for "clubhand" | radial dysplasia or hypoplasia |
What age is a correction for radial dysplasia performed? | 12 months |
Best type of laser for endoscopic brow lift? | CO2 |
Why are malar implants done? | for pts who have deficient bone structure or severe atrophy of overlying soft tissue |
Incision for malar implants | gingivobuccal sulcus over canine fossae |
Mentoplasty | chin repair |
Why is a mentoplasty performed? | cosmetic, correcting micrognathia (underdevelopment of jaw), or restoring post-traumatic facial disfigurement |
Rhytidectomy | full face lift |
What must be avoided when using retractors during a rhytidectomy? | facial nerve (VII) |
Where are mentoplasty implants placed? | subperiosteal pocket |
Why are there 2 setups for an otoplasty? | one for primary procedure and one for removing and forming costal cartilage graft |
Cheiloschisis | cleft lip |
2 methods of cheiloschisis repair | rotation advancement and triangular flap (imitates z-plasty) |
Blade used for a cheiloscisis repair | #11 or #15 |
____ carpal bones compose each wrist (carpus) | 8 |
Carpal bones | Scaphoid, Lunate, Triquetral, Pisiform, Trapezium, Trapezoid, Capitate, Hamate |
____ flexor tendons and median nerve pass through carpal tunnel | 9 |