Topicals

Question 1

what is whitfields ointment and what is it used for?

Answer 1

Whitfields ointment (prev exam)
Use in bacterial, PPKs, fungal
Topical keratolytic agent
In bolognia under treatment of tinea nigra
For treatment of tinea nigra, topical keratolytic agents such as Whitfield ointment (typically 6% benzoic acid plus 3% salicylic acid)8 are effective, as are topical azole or allylamine antifungal medications. Several weeks of therapy may be required to prevent recurrence. Systemic therapy is generally not indicated, and griseofulvin is not effective.

Also in topicals section - discussed in use for tinea pedis - 6% benzoic acid, 3% salicylic acid

Exam answers:
Apply for 2 weeks after clinical resolution

Question 2

what are the fast and slow growing mycobacteria?

Answer 2

AMUK = Avium, Marinum, Ulcerans, Kansaii

SHUMAK = slow growers (2-3 weeks)
Scrofulaceum 
Haemophilum 
Ulcerans 
Culture: 6-8 weeks at 32°C  
Marinum 
Avium 
Kansasii 

FACS = fast growers (3-5 days)
Fortuitum 
Abscessus 
Chelonae 
Smegmatis
Immunogenum, goodii, wolinsky, cosmeticum, mucogenicum

Question 3

susceptability alleles for leprosy

Answer 3

Susceptibility:
HLA-DR2 and HLA-DR3: more likely tuberculoid
HLA-DQ1: more likely lepromatous

Question 4

what is the treatment for leprosy?

Answer 4

Rifampicin 600 mg once a month
Clofazimine 300 mg once a month, 50 mg daily
Dapsone 100 mg daily

for 12 months duration if multibaciliary and 6 months if pauci

Question 5

what percentage of gloves become perforated?

Answer 5

approximately 11%

Question 6

the wearer recognises that a perforation has occcured in 17% of cases of perforation of gloves

Answer 6

T

Question 7

double gloving reduces perforations of the innermost glove nine-fold compared with single surgical gloves

Answer 7

T