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Memorization > Surgery facts > Flashcards

Surgery facts Flashcards

1
Q

Least inflammatory nonabsorbable suture?

A

Polypropylene (prolene)

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2
Q

Most inflammatory nonabsorbable suture

A

Silk

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3
Q

Longest lasting absorbable suture?

A

PDS (polydioxanone) 180 days

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4
Q

Graft with less contraction?

A

Full-thickness skin graft

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5
Q

Graft with less necrosis due to decreased vascular requirement?

A

Split-thickness skin graft

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6
Q

Local anestetic with the shortest duration?

A

Procaine

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7
Q

Local anesthetic with longest duration?

A

Bupivacaine (etidocaine next)

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8
Q

Derivation of muscles of mastication?

A

First branchial arch

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9
Q

Derivation of facial expression muscles?

A

Second branchial arch

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10
Q

Muscle needed to pull corners of mouth downward?

A

Depressor anguli oris (DAO)

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11
Q

Muscle needed to dilate nostrils?

A

Levator labii superioris alaeque nasi

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12
Q

Sensory innervation to root of nose, lateral nasal sidewalls?

A

Infratrochlear nerve

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13
Q

Sensory innervation to nasal dorsum and tip?

A

External nasal branch of anterior ethmoidal nerve

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14
Q

Sensory innervation to tympanic membrane?

A

Auriculotemporal nerve

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15
Q

Internal and external carotid artery anastomosis?

A

Dorsal nasal artery (ICA) with angular artery (ECA)

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16
Q

Type of excision best over convex surface?

A

S-plasty

17
Q

Type of excision for reducing length of scar?

A

M-plasty

18
Q

Process by which synthetic materials (i.e. polyglycolic acid) is absorbed?

A

hydrolysis

19
Q

Process by which natural material (cat gut, silk) absorbed?

A

Proteolysis

20
Q

Antiseptic with flammable property?

A

Isopropyl alcohol

21
Q

Antiseptic inactivated by blood/sputum, +/- contact dermatitis?

A

Providone-iodine

22
Q

Antiseptic with neurotoxic effects (teratogenic as well)?

A

Hexachlorophene

23
Q

Antiseptic with ototoxicity and ocular irritation?

A

Chlorhexidine

24
Q

Scar strength at 2 weeks, 3 weeks, 6 weeks, and 1 year?

A

5%, 15%, 40%, 80%

25
Q

Temperature needed for melanocytic destruction?

A

(-5 degrees celcius)

26
Q

Temperature to destroy skin cancer?

A

(-50 degrees celcius vs -25 degrees for benign lesion)

27
Q

Temperature for destruction of keratinocyte?

A

(-25 degrees celcius)

28
Q

Maximum safe dose of lidocaine for tumescent anesthesia?

A

55 mg/kg

Memorization (9 decks)

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