Which is false regarding staples?

they have a higher rate of infection than sutures

they are quicker to insert than sutures

they are more painful to remove than sutures

they do not provide as accurate a finish as sutures

All of the following statements about erythroderma are true EXCEPT

High output cardiac failure is a recognised sequelae

There is > 90% body surface involvement

The most common cause is drug reaction

High output cardiac failure is a recognised sequelae

Splenomegaly is associated in about 15%

The feature you would NOT expect to find in a case of erythema multiforme after cefaclor use is

No cross sensitivity with cefotaxime

Complete resolution in 2-3 weeks, without sequelae

Which of the following features is consistent with scarlet fever

Punctate rash on neck and truck

Resolution without desquamation

Only occurs in association with streptococcal pharyngitis

The toxic reaction you would least expect with bupivocaive is

Depressed level of consciousness

A backpacker returns from Thailand claiming to have been bitten by a dog in Bangkok the week before. There is a healing wound with scab on the right forearm ulnar aspect of the extensor surface. She cannot remember her vaccination status. Which statement is most correct

Her risk of contracting rabies would not be reduced if she had cleaned the initial wound thoroughly straight after the injury occurred

You should give 250U TIG, 0.5mL of ADT, commence oral antibiotic and refer back to the GP for further care complete ADT vaccinations

There is a strong risk that cellulitis due to pasturella multocida will develop in the next week

ADT is contraindicated if she is either haemophilliac or pregnant

You should give 250U TIG, 0.5mL of ADT 3 x in the next 3 months, 20U/kg RIG once and 0.1mL HDCV 5 times in the next month

Her risk of contracting rabies would not be reduced if she had cleaned the initial wound thoroughly straight after the injury occurred

Which of the following is associated with a lower incidence of wound infection (given adequately cleaned wounds)

Antibiotics for puncture wounds

Which of the following is not associated with poor wound healing

Lower limb lacerations in the elderly

Haematoma beneath a flap laceration

All of the above are associated with poor wound healing

Regarding bites which is false?

infection with pasturella multicodia is specific to cat bites

all hand bites (animal and human) should be managed by delayed primary closure or secondary intention

primary wound closure to the head and neck is acceptable after appropriate wound irrigation

wounds less than1-2 cm have a lower rate of infection and can be safely treated with primary closure

infection with pasturella multicodia is specific to cat bites

infection with capnocytophaga caninorsus is secific to dog bites

Which is not true of erythema multiforme?

less than 30% of the skin must be blistered to make this diagnosis

classically there are target lesions, especially on the periphery

there tends to be associated fever and arthralgia

it settles within 7-10 days if left untreated

steroids orally quicken the recovery

Which is the correct regimen for wound irrigation?

1 litre bag with giving set wide open

When antibiotics are given for a wound with a high risk of infection, how should they be given in the ED?

a prescription to be filled on discharge

orally prior to wound manipulation, with discharge prescription

iv prior to wound manipulation, with discharge prescription

a prescription to be filled on discharge

both A and B give the same result

Which is not true of antiviral medications if given within 72 hours of vesicle formation in herpes zoster?

it decreases new lesion formation

it possibly decreases duration of post herpetic neuralgia

Which is not true of measles?

The rash appears a few days after the prodrome, starting at the head and moving downwards

Koplicks spots are seen a few days after the onset of rash

The rash appears a few days after the prodrome, starting at the head and moving downwards

Unimmunised contacts should be given MMR within 72 hours if over 6 months of age

If greater than 72 hours immunoglobulin should be given i.m.

Unimmunised contacts should be excluded from school for 2 weeks

Which is not true of henoch schonlein purpura?

it is a vasculitis of unknown cause

purpura are classically on the lower limbs

abdominal pain and malena are documented

renal disease is a potentially serious complication

steroids diminish the likelihood of renal complications

Which wound is most likely to produce tetanus?

scalp laceration with underlying skull fracture

Which is NOT TRUE of staphylococcal scalded skin syndrome?

it tends to be less severe than toxic epidermal necrolysis

it is most commonly seen in infants

it tends to be less severe than toxic epidermal necrolysis

the focus for infection may be non cutaneous

Which infectious erythema is purely caused by toxin alone and not from the infectious process as well?

streptococcal toxic shock syndrome

staphylococcal scalded skin syndrome

Which is not one of the five criteria other then fever required to make the diagnosis of Kawasakis disease?

peripheral changes. Eg erythema and oedema

bilateral non purulent conjunctivitis

Which is not true of scarlet fever?

the erythema appears very early after the prodrome begins

there is often pharyngotonsillitis

Which is NOT TRUE of pemphigus and pemphigoid?

they are both autoimmune disorders

the prognosis of pemphigoid is better

pemphigous lesions are intra dermal where as the lesions in pemphigoid are subdermal

mucosa is more often involved in pemhigous

clinically the two can be usually differentiated with a good examination

they are both autoimmune disorders

43 + Mcqs in Dermatology and Wounds in Biology Page 1 McqOptions

1.	Which is false regarding staples?
A.	they have a higher rate of infection than sutures
B.	they are cheaper than sutures
C.	they are quicker to insert than sutures
D.	they are more painful to remove than sutures
E.	they do not provide as accurate a finish as sutures
Answer» B. they are cheaper than sutures

Discussion

2.	All of the following statements about erythroderma are true EXCEPT
A.	There is > 90% body surface involvement
B.	It is more common in males
C.	The most common cause is drug reaction
D.	High output cardiac failure is a recognised sequelae
E.	Splenomegaly is associated in about 15%
Answer» D. High output cardiac failure is a recognised sequelae

Discussion

3.	The feature you would NOT expect to find in a case of erythema multiforme after cefaclor use is
A.	Itch
B.	Target lesions
C.	No cross sensitivity with cefotaxime
D.	Complete resolution in 2-3 weeks, without sequelae
E.	Arthralgia
Answer» B. Target lesions

Discussion

4.	Which of the following features is consistent with scarlet fever
A.	Punctate rash on neck and truck
B.	Perioral erythema
C.	Geographic tongue
D.	Resolution without desquamation
E.	Only occurs in association with streptococcal pharyngitis
Answer» B. Perioral erythema

Discussion

5.	Geographic tongue is caused by
A.	Kawasaki disease
B.	Syphilis
C.	Acromegaly
D.	Pernicious anaemia
E.	None of the above
Answer» F.

Discussion

6.	Erythema Nodosum is an example of
A.	Panniculitis
B.	Vasculitis
C.	Serum sickness
D.	Erythroderma
E.	Type 2 hypersensitivity
Answer» B. Vasculitis

Discussion

7.	Which imaging modality is most successful at detecting suspected foreign bodies in wounds?
A.	normal plain xray
B.	plain xray soft tissue view
C.	ultrasound
D.	CT
E.	Bone scan
Answer» E. Bone scan

Discussion

8.	The toxic reaction you would least expect with bupivocaive is
A.	Anaphylaxis
B.	Sense of impending doom
C.	Fitting
D.	Arrythmia
E.	Depressed level of consciousness
Answer» B. Sense of impending doom

Discussion

9.	Which is the best irrigation fluid for most wounds?
A.	normal saline
B.	povodine iodine
C.	aquesous chlorhexidine
D.	chlorhexidine with cetramide
E.	a combination of A and B
Answer» B. povodine iodine

Discussion

10.	A backpacker returns from Thailand claiming to have been bitten by a dog in Bangkok the week before. There is a healing wound with scab on the right forearm ulnar aspect of the extensor surface. She cannot remember her vaccination status. Which statement is most correct
A.	You should give 250U TIG, 0.5mL of ADT, commence oral antibiotic and refer back to the GP for further care complete ADT vaccinations
B.	There is a strong risk that cellulitis due to pasturella multocida will develop in the next week
C.	ADT is contraindicated if she is either haemophilliac or pregnant
D.	You should give 250U TIG, 0.5mL of ADT 3 x in the next 3 months, 20U/kg RIG once and 0.1mL HDCV 5 times in the next month
E.	Her risk of contracting rabies would not be reduced if she had cleaned the initial wound thoroughly straight after the injury occurred
Answer» E. Her risk of contracting rabies would not be reduced if she had cleaned the initial wound thoroughly straight after the injury occurred

Discussion

11.	Which of the following is associated with a lower incidence of wound infection (given adequately cleaned wounds)
A.	Steristrips
B.	Staples
C.	Histoacryl
D.	Antibiotics for puncture wounds
E.	All of the above
Answer» F.

Discussion

12.	If a patient presents with DIC after dog bite the likely organism would be
A.	Pseudomonas Aeruginosa
B.	Staphylococcus Aureus
C.	Streptococcus Viridans
D.	Capnocytophaga Caniniosus
E.	Pasturella Multocida
Answer» E. Pasturella Multocida

Discussion

13.	Which of the following is not associated with poor wound healing
A.	Lower limb lacerations in the elderly
B.	Broad based flap lacerations
C.	Long flap lacerations
D.	Haematoma beneath a flap laceration
E.	All of the above are associated with poor wound healing
Answer» C. Long flap lacerations

Discussion

14.	Regarding bites which is false?
A.	all hand bites (animal and human) should be managed by delayed primary closure or secondary intention
B.	primary wound closure to the head and neck is acceptable after appropriate wound irrigation
C.	wounds less than1-2 cm have a lower rate of infection and can be safely treated with primary closure
D.	infection with pasturella multicodia is specific to cat bites
E.	infection with capnocytophaga caninorsus is secific to dog bites
Answer» D. infection with pasturella multicodia is specific to cat bites

Discussion

15.	Which rash is not characteristically found on the hands?
A.	secondary syphilis
B.	erythema multiforme
C.	gonococcus
D.	meningococcus
E.	herpes simplex
Answer» F.

Discussion

16.	In what dermatological condition is a Tsanck smear used to aid diagnosis?
A.	Skin lesions of meningococcus
B.	Herpes vesicular lesions
C.	Secondary syphilis
D.	Urticaria
E.	EBV
Answer» C. Secondary syphilis

Discussion

17.	Human bites to what area have the highest rate of infection?
A.	face
B.	arm
C.	shin
D.	back
E.	hand
Answer» F.

Discussion

18.	Which is not true of erythema multiforme?
A.	less than 30% of the skin must be blistered to make this diagnosis
B.	classically there are target lesions, especially on the periphery
C.	there tends to be associated fever and arthralgia
D.	it settles within 7-10 days if left untreated
E.	steroids orally quicken the recovery
Answer» F.

Discussion

19.	Which drug is not likely to cause toxic epidermal necrolysis?
A.	penicillin
B.	trimethoprim
C.	carbamazepine
D.	cimetidine
E.	piroxicam
Answer» E. piroxicam

Discussion

20.	Which is the correct regimen for wound irrigation?
A.	21 gauge needle, 50 ml syringe
B.	21 gauge needle, 20 ml syringe
C.	19 gauge needle, 50 ml syringe
D.	19 gauge needle, 20 ml syringe
E.	1 litre bag with giving set wide open
Answer» D. 19 gauge needle, 20 ml syringe

Discussion

21.	Which suture should be used for wounds at risk of infection?
A.	monofilament, natural
B.	monafilament, synthetic
C.	multifilament, natural
D.	multifilament, synthetic
E.	catgut
Answer» C. multifilament, natural

Discussion

22.	Which is not readily seen on Xray?
A.	all glass greater than 2mm
B.	gravel
C.	teeth
D.	fish bone
E.	steak bone
Answer» E. steak bone

Discussion

23.	Which antibiotic regimen is recommended in antibiotic guidelines for bites with a high risk of infection?
A.	augmentin duo forte
B.	penicillin
C.	ampicillin
D.	cephalexin
E.	metronidazole plus penicillin
Answer» B. penicillin

Discussion

24.	How many days it take a wound to reach 100% of its original tensile strength?
A.	40
B.	100
C.	150
D.	250
E.	360
Answer» D. 250

Discussion

25.	When antibiotics are given for a wound with a high risk of infection, how should they be given in the ED?
A.	orally prior to wound manipulation, with discharge prescription
B.	iv prior to wound manipulation, with discharge prescription
C.	a prescription to be filled on discharge
D.	both A and B give the same result
E.	infiltrated around wound i.m
Answer» C. a prescription to be filled on discharge

Discussion

26.	Which medication does not commonly cause photosensitivity eruptions?
A.	thiazide diuretics
B.	spironolactone
C.	loop diuretics
D.	amioderone
E.	sulfonylureas
Answer» C. loop diuretics

Discussion

27.	At which distance should two point discrimination be possible?
A.	2mm
B.	5mm
C.	7.5mm
D.	10mm
E.	15mm
Answer» C. 7.5mm

Discussion

28.	Which is not true of antiviral medications if given within 72 hours of vesicle formation in herpes zoster?
A.	it decreases time to healing
B.	it decreases new lesion formation
C.	it decreases recurrence
D.	it possibly decreases pain
E.	it possibly decreases duration of post herpetic neuralgia
Answer» D. it possibly decreases pain

Discussion

29.	Which is not true of measles?
A.	Koplicks spots are seen a few days after the onset of rash
B.	The rash appears a few days after the prodrome, starting at the head and moving downwards
C.	Unimmunised contacts should be given MMR within 72 hours if over 6 months of age
D.	If greater than 72 hours immunoglobulin should be given i.m.
E.	Unimmunised contacts should be excluded from school for 2 weeks
Answer» B. The rash appears a few days after the prodrome, starting at the head and moving downwards

Discussion

30.	Which is not true of henoch schonlein purpura?
A.	it is a vasculitis of unknown cause
B.	purpura are classically on the lower limbs
C.	abdominal pain and malena are documented
D.	renal disease is a potentially serious complication
E.	steroids diminish the likelihood of renal complications
Answer» F.

Discussion

31.	Which wound does not require antibiotic prohylaxis upon discharge (assuming seen within 3 hours and appropriate wound care applied)?
A.	intraoral
B.	complicated dog bites
C.	complicated human bites
D.	all cat bites
E.	axillary
Answer» F.

Discussion

32.	Which wound is most likely to produce tetanus?
A.	Intraoral laceration
B.	scalp laceration with underlying skull fracture
C.	crush injury to distal phalynx
D.	frostbite
E.	puncture wounds
Answer» F.

Discussion

33.	Which is NOT TRUE of staphylococcal scalded skin syndrome?
A.	it is most commonly seen in infants
B.	it is toxin mediatied
C.	there is no mucosal invovement
D.	it tends to be less severe than toxic epidermal necrolysis
E.	the focus for infection may be non cutaneous
Answer» D. it tends to be less severe than toxic epidermal necrolysis

Discussion

34.	Which is not a possible cause of a blistered patient?
A.	molluscum contagiosum
B.	hand, foot and mouth disease
C.	eczema herpeticum
D.	allergic contact dermatitis
E.	bites
Answer» B. hand, foot and mouth disease

Discussion

35.	Which infectious erythema is purely caused by toxin alone and not from the infectious process as well?
A.	toxic shock syndrome
B.	scarlet fever
C.	streptococcal toxic shock syndrome
D.	staphylococcal scalded skin syndrome
E.	all of the above
Answer» B. scarlet fever

Discussion

36.	Which is not one of the five criteria other then fever required to make the diagnosis of Kawasakis disease?
A.	cervical LN
B.	peripheral changes. Eg erythema and oedema
C.	bilateral non purulent conjunctivitis
D.	polymorphous rash
E.	pustular tonsillitis
Answer» F.

Discussion

37.	Which rash is not usually itchy?
A.	urticaria
B.	eczema
C.	scabies
D.	bites
E.	scarlet fever
Answer» F.

Discussion

38.	Which is not true of scarlet fever?
A.	the erythema appears very early after the prodrome begins
B.	the rash does not blanche
C.	there is circumoral pallor
D.	there is often pharyngotonsillitis
E.	there is a strawberry tongue
Answer» C. there is circumoral pallor

Discussion

39.	Which dose not tend to produce palpable purpura?
A.	meningococcus
B.	vasculitis
C.	SLE, rheumatoid arthritis
D.	Clotting disorders
E.	Henoch schonlein purpura
Answer» E. Henoch schonlein purpura

Discussion

40.	Which is not associated with erythema nodosum?
A.	sarcoid
B.	crohns disease
C.	leukemia
D.	salmonella
E.	hep B
Answer» F.

Discussion

41.	Which is the usual causative organism in toxic shock syndrome?
A.	staph aureus
B.	e coli
C.	pneumococcus
D.	strep pyogenes
E.	meningococcus
Answer» B. e coli

Discussion

42.	Which is NOT TRUE of pemphigus and pemphigoid?
A.	the prognosis of pemphigoid is better
B.	pemphigous lesions are intra dermal where as the lesions in pemphigoid are subdermal
C.	mucosa is more often involved in pemhigous
D.	clinically the two can be usually differentiated with a good examination
E.	they are both autoimmune disorders
Answer» E. they are both autoimmune disorders

Discussion

43.	Which is not associated with pyoderma gangrenosum?
A.	IBD
B.	Rheumatoid arthritis
C.	Leukemia
D.	salmonella
E.	myeloma
Answer» E. myeloma

Discussion

Explore topic-wise MCQs in Biology.

Which is false regarding staples?

All of the following statements about erythroderma are true EXCEPT

The feature you would NOT expect to find in a case of erythema multiforme after cefaclor use is

Which of the following features is consistent with scarlet fever

Geographic tongue is caused by

Erythema Nodosum is an example of

Which imaging modality is most successful at detecting suspected foreign bodies in wounds?

The toxic reaction you would least expect with bupivocaive is

Which is the best irrigation fluid for most wounds?

A backpacker returns from Thailand claiming to have been bitten by a dog in Bangkok the week before. There is a healing wound with scab on the right forearm ulnar aspect of the extensor surface. She cannot remember her vaccination status. Which statement is most correct

Which of the following is associated with a lower incidence of wound infection (given adequately cleaned wounds)

If a patient presents with DIC after dog bite the likely organism would be

Which of the following is not associated with poor wound healing

Regarding bites which is false?

Which rash is not characteristically found on the hands?

In what dermatological condition is a Tsanck smear used to aid diagnosis?

Human bites to what area have the highest rate of infection?

Which is not true of erythema multiforme?

Which drug is not likely to cause toxic epidermal necrolysis?

Which is the correct regimen for wound irrigation?

Which suture should be used for wounds at risk of infection?

Which is not readily seen on Xray?

Which antibiotic regimen is recommended in antibiotic guidelines for bites with a high risk of infection?

How many days it take a wound to reach 100% of its original tensile strength?

When antibiotics are given for a wound with a high risk of infection, how should they be given in the ED?

Which medication does not commonly cause photosensitivity eruptions?

At which distance should two point discrimination be possible?

Which is not true of antiviral medications if given within 72 hours of vesicle formation in herpes zoster?

Which is not true of measles?

Which is not true of henoch schonlein purpura?

Which wound does not require antibiotic prohylaxis upon discharge (assuming seen within 3 hours and appropriate wound care applied)?

Which wound is most likely to produce tetanus?

Which is NOT TRUE of staphylococcal scalded skin syndrome?

Which is not a possible cause of a blistered patient?

Which infectious erythema is purely caused by toxin alone and not from the infectious process as well?

Which is not one of the five criteria other then fever required to make the diagnosis of Kawasakis disease?

Which rash is not usually itchy?

Which is not true of scarlet fever?

Which dose not tend to produce palpable purpura?

Which is not associated with erythema nodosum?

Which is the usual causative organism in toxic shock syndrome?

Which is NOT TRUE of pemphigus and pemphigoid?

Which is not associated with pyoderma gangrenosum?