Equipment

Question 1

What gloves are most protective from acrylates allergens such as dermabond?

Answer 1

Neoprene

Question 2

What gloves are most protective from allergic responses from Glutaraldehyde

Answer 2

Nitrile and Butyl

Question 3

What gloves are most protective from phenylenediamine allergies?

Answer 3

Neoprene & Nitrile

Question 4

What is the name of this scalpel handle

Answer 4

Bard Parker #3

supposedly most used by dermatologists and has a ruler imprint

Question 5

what is this scalpel handle called

Answer 5

Bard Parker #7

Question 6

What kind of handle is this?

Answer 6

Beaver

Question 7

What kind of handle is this

Answer 7

Siegel handle

Question 8

what is the name of these forceps

Answer 8

Bishop Harmon forceps

Question 9

What is the name of these sissors

Answer 9

Westcott or Castroviejo sissors

Question 10

Is a hyfecator monpolar or bipolar

Answer 10

monopolar

Question 11

is Hyfercation and Electro dessication mono teminal or Bi terminal

Answer 11

monoterminal

Question 12

What would consider a bovie device mono or biterminal

Answer 12

biterminal needs a ground plate

Question 13

electrocoagulation requires what three features

Answer 13

biterminal with grounding pad

low voltage high amperage moderately dampened

The greater the amperage more tissue heating

Question 14

electrodessication (touches tissue) and electrofulguration (shoots spark) current characteristics

Answer 14

monoterminal

High voltage

Low amp

large dampened current (continuous unmodulated with rapid oscillation of the alternating current)

Question 15

what are the features of electrosection (cutting)

Answer 15

Biterminal

low voltage

high amperage

undampened current

Question 16

how do you produce the heat in electrocautery

Answer 16

direct current (DC battery) passes through a wire with high resistance creating heat

low voltage high amp

Question 17

What is the difference between monopolar and monoterminal electrosurgery

Answer 17

monopolar refers to the tip of the electrode (if it is forceps it is bipolar)

monoterminal refers to not using a ground plate, biterminal means there is a ground plate.

Question 18

what is the name of these sissors.

Answer 18

O-Brien sissors

good for leveling of beveled edges

Question 19

What is the name of these tissue forceps

Answer 19

Adson-Brown

multiple columns of interlocking teeth

Question 20

What is the name of the forceps that have this forward angled teet and look like a Harmon-Bishop forceps

Answer 20

Castroviejo

The Harmon-Bishop teeth are a sharp right angle.

Question 21

what is the name of this needle driver

Answer 21

Olsen-Heger

Question 22

What is triclosan?

Answer 22

an antimicrobial added to vicryl, Monocryl (poliecaprone 25) and PDS (polyidxanone) presumably to decrease infections

Question 23

in vicryl (polygactin 910+) what does the plus represent?

Answer 23

the addition of Triclosan

Question 24

which is a larger needle P2 or P3

Answer 24

P2

Question 25

In sutures what is Rapide

Answer 25

It is a type of Vicryl (polyglactin 910) that is rapidly absorbed. Tries to simulate gut sutures

Question 26

what is the difference btw plasticity and elasticity

Answer 26

plasticity is the ability to retain a new length with swelling and retail tensile strength elasticity is the ablitlity to regain it's orginial structure and length after it is streched from swelling.

Question 27

what is a suture with great plasticity?

Answer 27

Prolene (Polyproplene)

Question 28

what is a good suture with great elasticity

Answer 28

Novafil

Question 29

Dry heat steralization requires how many hours at 121 centigrade.

Answer 29

6 hours

Question 30

Dry heat sterilazation requires what temp for one hour to be effective

Answer 30

171 degrees centigrade.

Question 31

what type of sterilization tends to dull instruments the most and the least?

Answer 31

Steam Autoclave most Dry heat least

Question 32

What are the settings for the steam autoclave for sterilzation

Answer 32

30 minutes at 2 atm at a temp of 121

Question 33

What dulls intstuments more than dry heat but less than a steam autoclave?

Answer 33

Chemiclave

Question 34

what chemicals are used in a chemiclave

Answer 34

acetone formaldehyde Methyl ethyl ketone Ethyl alcohol

Question 35

how long does it take a gas sterilizer to do paper and polyvinyl chloride

Answer 35

1 day 7 days

Question 36

Cold sterilization may not work for what?

Answer 36

bacterial spores Hep B

Question 37

What is the most common chemical used in cold sterilization

Answer 37

Glutaraldehyde

Question 38

What is a xenograft

Answer 38

Animal to human (porcine grafts)

Question 39

what is an Autograft

Answer 39

Graft taken from one area on the body and moved to another area.

Question 40

What is an iosgraft?

Answer 40

Grafts between twins.

Question 41

What is an allograft?

Answer 41

A graft between two different individuals (not done in dermatology)

Question 42

Nerve and muscle stimulation occurs at below what hertz (Hz)

Answer 42

10,000 Hz Standard outlets are 50-60 Hz and have to be converted up for medical electrical devices (more cycles per sec) most medical devices are 300,000 Hz or higher

Question 43

name the type of electrosurgical wave for each waveform below

Answer 43

A Electrodessication and Electrofulguration high voltage low amp damped B. Electrosection with coagulation low voltage high amp partially damped C. Electrocoagulation low voltage, high amp moderately damped D. Electosection low voltage, high amped, undamped

Question 44

What type of scalpel is this?

Answer 44

Shaw Scalpel Does electrocautry

Question 45

When vicryl has a + behind its name what does that mean?

Answer 45

It is coated with Triclosan

Question 46

What is the only topical antibacterial antisceptic only covers Gram + not gram neg bacteria

Answer 46

Hexachlorophene

Question 47

What is Benzalkonium Chloride inactivated by. (Found in skin products and contact solutions)

Answer 47

anionic compounds and soaps

Question 48

What topical antibacterial is contrindicated in G6PD deficiency

Answer 48

Silver Sulfadiazine

Question 49

Does Isopropyl Alcohol kill spores

Answer 49

No

Question 50

Name two forms of indifferent electodes in electrosurgery

Answer 50

when using biterminal forcepts one tine acts as a return electrode (indifferent) The pad (indeferent plate) returning current from the patient back to the device

Question 51

what is electrocautery

Answer 51

heating the probe with DC current don't confuse cautery with coagulation

Question 52

MRI in working up skin cancer is best for what (4 things)

Answer 52

1. perineural involvement 2. Soft tissue involvement 3. Brain and dural involvement 4. Extraocular muscle involvement

Question 53

CT scan in work of of skin cancer is good for what?

Answer 53

boney involvement screen for lymph nodes

Question 54

PET-CT scan is good for what in work up of skin cancer.

Answer 54

distant mets Occult andenopathy of head/neck nodes Tumor response to treatment Tumor recurance in scar or node

Question 55

Ultrasound is good for in skin cancer workup for what (2 things)

Answer 55

screening for superficial lymph node involvement lymph node needle aspirations (guidence)

Question 56

When to image a SCC at what level

Answer 56

IIb