1. |
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» C. The most common cause is drug reaction |
2. |
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» A. Itch |
3. |
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» A. Punctate rash on neck and truck |
4. |
Erythema Nodosum is an example of |
A. | Panniculitis |
B. | Vasculitis |
C. | Serum sickness |
D. | Erythroderma |
E. | Type 2 hypersensitivity |
Answer» A. Panniculitis |
5. |
Geographic tongue is caused by |
A. | Kawasaki disease |
B. | Syphilis |
C. | Acromegaly |
D. | Pernicious anaemia |
E. | None of the above |
Answer» E. None of the above |
6. |
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» A. Anaphylaxis |
7. |
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» E. All of the above |
8. |
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» B. Broad based flap lacerations |
9. |
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» D. Capnocytophaga Caniniosus |
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» 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 |
11. |
Which rash is not characteristically found on the hands? |
A. | secondary syphilis |
B. | erythema multiforme |
C. | gonococcus |
D. | meningococcus |
E. | herpes simplex |
Answer» E. herpes simplex |
12. |
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» B. Herpes vesicular lesions |
13. |
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» E. steroids orally quicken the recovery |
14. |
Which drug is not likely to cause toxic epidermal necrolysis? |
A. | penicillin |
B. | trimethoprim |
C. | carbamazepine |
D. | cimetidine |
E. | piroxicam |
Answer» D. cimetidine |
15. |
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» A. molluscum contagiosum |
16. |
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» C. there is no mucosal invovement |
17. |
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» A. toxic shock syndrome |
18. |
Which rash is not usually itchy? |
A. | urticaria |
B. | eczema |
C. | scabies |
D. | bites |
E. | scarlet fever |
Answer» E. scarlet fever |
19. |
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» B. the rash does not blanche |
20. |
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» E. pustular tonsillitis |
21. |
Which dose not tend to produce palpable purpura? |
A. | meningococcus |
B. | vasculitis |
C. | SLE, rheumatoid arthritis |
D. | Clotting disorders |
E. | Henoch schonlein purpura |
Answer» D. Clotting disorders |
22. |
Which is not associated with erythema nodosum? |
A. | sarcoid |
B. | crohns disease |
C. | leukemia |
D. | salmonella |
E. | hep B |
Answer» E. hep B |
23. |
Which is not associated with pyoderma gangrenosum? |
A. | IBD |
B. | Rheumatoid arthritis |
C. | Leukemia |
D. | salmonella |
E. | myeloma |
Answer» D. salmonella |
24. |
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» D. clinically the two can be usually differentiated with a good examination |
25. |
Which is the usual causative organism in toxic shock syndrome? |
A. | staph aureus |
B. | e coli |
C. | pneumococcus |
D. | strep pyogenes |
E. | meningococcus |
Answer» A. staph aureus |
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