51 - wounds, tissue repair and scars mcqs - 3

21q: the following statement about keloid is true ?

a. they do not extend into normal skin
b. local recurrence is common after excision
c. they often undergo malignant change
d. they are more common in whites than in blacks

answer: b .

22q: fibroblast in healing wound is derived from ?

a. local mesenchyme
b. epithelium
c. endothelium
d. vascular fibrosis

answer: a . local mesenchyme .

23q: in the healing of a clean wound the maximum immediate strength of the wound is reached by ?

a. 2-3 days
b. 4-7 days
c. 10-12 days
d. 13-18 days

answer: d . 13-18 days .

24q: degloving injury is ?

a. surgeon made wound
b. lacerated wound
c. avulsion injury
d. blunt injury
e. abrasive wound

answer: c . avulsion injury .

25q: a clean incised wound heals by ?

a. primary intention
b. secondary intention
c. excessive scarring
d. none

answer: a . primary intention .

26q: in treatment of hand injuries , the greatest priority is ?

a. repair of tendons
b. restoration of skin cover
c. repair of nerves
d. repair of blood vessels

answer: b .

27q: during the surgical procedure ?

a. tendons should be repaired before nerves
b. nerves should be repaired before tendons
c. tendons should not be repaired at the same time
d. none

answer: b .

28q: limb salvage primarily depends on ?

a. vascular injury
b. skin cover
c. bone injury
d. nerve injury

answer: a . vascular injury .

29q: the vitamin which has inhibitory effect on wound healing ?

a. vitamin A
b. vitamin E
c. vitamin C
d. vitamin B Complex

answer: b . vitamin E .

30q: the tensile strength of the wound starts and increases after ?

a. immediate suture of wound
b. 3 to 4 days
c. 7 to 10 days
d. 6 months

answer: b . 3 to 4 days .

50 - wounds, tissue repar and scars mcqs - 2

11q: the tensile strength of wound reaches that of normal tissue by ?

a. 6 weeks
b. 2 months
c. 4 months
d. 6 months

e. never

answer: e . never .

12q: the worst position for scars is ?

a. back
b. shoulder
c. sternum
d. abdomen

answer: c . sternum .

13q: the best scars are seen in ?

a. infants
b. children
c. adults
d. very old people

answer: d . very old people .

14q: patient has a lacerated untidy wound of the leg and attended the casualty after 2 hours .his wound should be ?

a. sutured immediately
b. debrided and sutured immediately
c. debrided and sutured secondarily
d. cleaned and dressed

answer: b . debrided and sutured immediately .

15q: the following are required for wound healing ?

a. zinc
b. copper
c. vitamin C
d. calcium

answer: all are necessary .

16q: when is the maximum collagen content of wound tissue ?

a. between third and fifth day
b. between 6th and 17th day
c. between 17th and 21st day
d. none

answer: c . between 17th and 21st day .

17q: if suture marks are to be avoided , skin sutures should be removed by ?

a. 72 hours
b. 1 week
c. 2 weeks
d. 3 weeks

answer: b . 1 week .

18q: what is true about keloids ?

a. it appears immediately after surgery
b. it appears a few days after surgery
c. it is limited in its distribution
d. it is common in old people

answer: b . it appears a few days after surgery .

19q: a patient with grossly contaminated wound presents 12 hours after an accident . his wound should be managed by ?

a. through cleaning and primary repair
b. through cleaning with debridement of all dead and devitalized tissue without primary closure
c. primary closure over a drain
d. covering the defect with split skin graft after cleaning

answer: b .

20q: delayed wound healing is seen in all except ?

a. malignancy
b. hypertension
c. diabetes
d. infection

answer: b . hypertension .

49 - wounds, tissue repair and scars mcqs - 1

1q: which one of the following is used as preservative for packing catgut suture ?

a. isopropyl alcohol
b. colloidal iodine
c. glutaraldehyde
d. hydrogen peroxide

answer: a . isopropyl alcohol .

2q: most common site of hypertrophic keloid ?

a. face
b. leg
c. pre sternal area
d. arm

answer: c . presternal area .

3q: first line treatment for keloid is ?

a. intralesional injection of keloid
b. local steroid
c. radiotherapy
d. wide excision

answer: a . intralesional injection of steroid .

4q: drug used for intralesional injection of keloid ?

a. prednisolone
b. triamcinolone
c. androgen
d. hydrocortisone

answer: b . triamcinolone .

5q: in an open injury during toileting and debridement , muscle viability is detected by ?

a. colour of muscle
b. muscle size
c. muscle function
d. muscle contractility
e. punctuate bleeding spots on cut edge

answer: a , d , e .

6q: prevention of wound infection is done by ?

a. preoperative shaving
b. preoperative antibiotic therapy
c. monofilament suture
d. wound opposition

answer: b , c, d are true . pre operative shaving just before surgery is preventive not the day before .

7q: the best skin graft for an open wound is ?

a. isograft
b. homograft
c. allograft
d. autograft

answer: d . autograft .

8q: regarding antibiotics true is ?

a. no prophylaxis for clean contaminated surgery
b. no prophylaxis for gastric ulcer surgery
c. prophylaxis for colorectal surgery
d. local irrigation with antibiotics contraindicated when systemic antibiotics are given

answer: c .

9q: keloid scar is made up of ?

a. dense collagen
b. loose fibrous tissue
c. granulomatous tissue
d. loose areolar tissue

answer: a . dense collagen .

10q: primary closure of incised wound must be done with in ?

a. 2 hours
b. 4 hours
c. 6 hours
d. 12 hours
e. 16 hours

answer: c . 6 hours .