Top 50+ Solved Dermatology and Wounds MCQ Questions Answer
Q. 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
Q. 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
Q. 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
Q. 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
Q. Which dose not tend to produce palpable purpura?
a. meningococcus
b. vasculitis
c. SLE, rheumatoid arthritis
d. Clotting disorders
e. Henoch schonlein purpura
Q. Which is not associated with erythema nodosum?
a. sarcoid
b. crohns disease
c. leukemia
d. salmonella
e. hep B
Q. Which is not associated with pyoderma gangrenosum?
a. IBD
b. Rheumatoid arthritis
c. Leukemia
d. salmonella
e. myeloma
Q. 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
Q. Which is the usual causative organism in toxic shock syndrome?
a. staph aureus
b. e coli
c. pneumococcus
d. strep pyogenes
e. meningococcus
Q. Which medication does not commonly cause photosensitivity eruptions?
a. thiazide diuretics
b. spironolactone
c. loop diuretics
d. amioderone
e. sulfonylureas
Q. 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
Q. 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
Q. 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
Q. 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