DERMATOLOGY PRACTICE 1

                               SINGLE BEST OPTION SERIES
              INSTRUCTION: SELECT THE SINGLE BEST OPTION

1.         Sebaceous glands shed their secretions by........................method
   a.       Holocrine
   b.      Merocrine
   c.       Apocrine
   d.      Eccrine
   e.      Vapourisation
   2.       Which of the following is incorrect about the sebaceous glands:
   a.       Sebum is usually discharged into the upper part of the hair follicle:
   b.      Sebaceous glands contain cells full of lipid
   c.       Meibomian glands are free sebaceous glands on the eyelids
   d.      Fordyce spots are examples of sebaceous glands visible on the vulva
   e.      None of the above
   3.       The following are correct about sebum secreted by sebaceous glands except:
   a.       Lubricates
   b.      Encourages desiccation
   c.       It is mildly bacteriocidal
   d.      It is fungistatic
   e.      Waterproofs the skin
   4.       At puberty, a surge of -------------- produces a sudden increase in sebum secretion and sets the stage for acne vulgaris:
   a.       Oestrogens
   b.      Thyroglobulin
   c.       Androgens
   d.      Aldosterone
   e.      Cortisol
   5.       Which of the following is incorrect about the epidemiology of acne vulgaris?
   a.       Nearly all teenagers have some acne
   b.      It affects males more than females
   c.       The peak age for severity in females is 16 to 17 years
   d.      Acne usually clear by the age of 23 to 25 years in 90% of patients
   e.      Acne tends to start earlier in females compare to males.
   6.       The main stimulants of sebum secretion are:
   a.       Androgens
   b.      Cortisol
   c.       Thyroxine
   d.      Insulin-like growth factor
   e.      Oestrogens
   7.       Which of the following is incorrect about the pathogenesis of acne vulgaris:
   a.       Acne vulgaris is rarely familial
   b.      Mechanical acne may result from excessive scrubbing, picking, or rubbing of the chin or fiddle because of rupture of occluded hair follicles:
   c.       People castrated before puberty do not usually develop acne vulgaris
   d.      Some cosmetics may cause acne because of poral occlusion
   e.      Propionibacterium acnes, a normal skin commensal, plays a pathogenic part in acne vulgaris
   8.       The following manifest with acne vulgaris/acneiform eruptions except:
   a.       Congenital adrenal hyperplasia
   b.      Polycystic ovarian syndrome
   c.       Parkinson’s disease
   d.      Antituberculosis therapy
   e.      Corticosteroid therapy
   9.       The following are the predominant lesions in a patient withacne vulgaris except:
   a.       Open comedones (blackheads)
   b.      Closed comedones (whiteheads)
   c.       Papules and nodules
   d.      Bullae
   e.      Cysts
   10.   The predominant lesions of drug-induced acneiform eruptions are:
   a.       Bullae
   b.      Papulo-vesicles
   c.       Papulo-pustules
   d.      Comedones
   e.      Burrows
   
   
   ANSWERS:
   1. a
   2. e
   3. b
   4. c
   5. b  (affects both equally)
   6.  a
   7. a
   8. c
   9. d
   10. c
   
    
   
   

                                           REMEMBER
   ” Some people sin by not working diligently for six days whereas, others – because of greed, unbelief or powerlessness- sin by working also on a day of rest and worship. Either way of breaking this   command results in poverty.”   By  Vishal Mangalwadi.