2013 A Flashcards
The causative agent bullous type of impetigo is:
a. ) S. aureus
b. ) S. pyogenes
c. ) Corynebacterium
d. ) Pseudomonas aeruginosa
A
Level of split in bullous impetigo
a. ) Below stratum corneum
b. ) Within the stratum corneum
c. ) Suprabasal
d. ) Subepidermal
A
Ulcers covered by an adherent crust located on the lower extremities should make you think of:
a. ) Impetigo
b. ) Ecthyma
c. ) Ecthyma gangrenosum
d. ) Furuncle
B
Superficial folliculitis..
a. ) Presents as superficial dome-shaped pustules occurring at the level of the follicular infundibulum
b. ) Is typified by sycosis barbae
c. ) Heals with prominent scarring
d. ) Often require systemic antibiotics
A
The following are true about cellulitis except:
a. ) Systemic symptoms are present
b. ) Presents as tender and warm plaque with very distinct palpable borders
c. ) Severe cases may present with bullae and necrotic tissue over the plaque
d. ) It is usually caused by streptococcus or staphylococcus
B
The following are true about erysipelas except:
a. ) Systemic symptoms are present
b. ) Presents as tender and warm plaque with very distinct palpable borders
c. ) Severe cases may present with bullae and necrotic tissue over the plaque
d. ) It is usually caused by streptococcus or staphylococcus
D
True of furuncles except
a. ) Furuncles are often accompanied by fever and chills
b. ) They can be multiple
c. ) They can be preceded by folliculitis
d. ) They are often caused by staphylococcus areus
A
The following are true of carbuncles:
a. ) It may initially present as a tender erythematous induration on the skin that can be studded with multiple pustules on the surface.
b. ) It eventually ruptures with purulent discharge and leaves an ulcer with grayish base.
c. ) It needs to be treated with systemic antibiotics.
d. ) Incision and drainage can be performed anytime
A B C
The following are true of ecthyma gangrenosum except:
a. ) It only occurs in a setting of bacteremia
b. ) It is caused by Pseudomonas aeruginosa
c. ) Typically, the lesion has a black eschar in the center with erythematous rim.
d. ) The lesion is more commonly found in the anogenital area or in the axilla
A
Scabies is
a. ) Disease primarily suffered by children
b. ) Not pruritic
c. ) Usually contracted by exposure to dogs with galis
d. ) Often transmitted to other members of the family
D
True about burrows in scabies except:
a. ) It is a characteristic finding in scabies
b. ) It is a grayish tortuous line with a black speck at the tip/end which represents the mite
c. ) It is the tunnel that the female mite “excavated” on the stratum corneum where she lays her eggs
d. ) The larvae of S. scabiei typically mature and eventually mate within the tunnel
D
Not true of Pediculosis capitis
a. ) Pruritus is not immediately evident upon initial infestation
b. ) Common in children of school age
c. ) Cervical lymphadenopathy is a common finding
d. ) Permethrin shampoo needs to be left on the scalp for two hours before it is rinsed off
D
All of the following about pediculosis corporis are true except:
a. ) It is also called the Vagabond’s disease
b. ) Diagnosis is made by inspecting the seams of clothing of the patient
c. ) If feasible, all clothing should be discarded or at least washed and dried at high heat
d. ) All of the above are true
D
True about pediculosis pubis
a. ) It exclusively affects the pubic area
b. ) It is always sexually transmitted
c. ) The louse can’t live away from its host beyond 12 hours
d. ) Permethrin cream may be used to treat it
D
In treating scabies, the following considerations are important except:
a. ) Household members and close personal contact need to be treated
b. ) These contacts can be treated at different days
c. ) Clothes, beddings, linens and towels have to be washed at high temperature right after treatment
d. ) Topical scabicides are usually left on the skin for 8-14 hours before rinsing them off
B
Which of the following statements is true regarding the pathogenesis of acne?
a. ) Adaptive but not innate immunity plays a role
b. ) Neutrophil chemotaxis is brought about by the IL-8 secretion by keratinocytes
c. ) Eosinophils are early infiltrates perifollicularly
d. ) Without P. acnes, inflammation can still occur
B
Abnormal keratinization in acne
a. ) Occurs in the deepest segment of the follicular duct
b. ) Is not always present
c. ) Is an effect of androgen
d. ) Directly perpetuates inflammation
C
The most important regulating factor for sebum production is
a. ) Estrogen
b. ) Androgen
c. ) Retinoids
d. ) ACTH
B
Acne is part of which of the following diseases
a. ) Cushing’s Syndrome
b. ) Hypothyroidism
c. ) Addison’s Disease
d. ) Lung cancer
A
This type of acne may be superimposed with infection with Streptococcus or Staphylococcus, causing marked scarring and sinus tract infection
a. ) Acne tropicalis
b. ) Acne fulminans
c. ) Occupational acne
d. ) Acne conglobata
D
Which of the following features differentiates acneiform eruptions from acne vulgaris?
a. ) more frequent on the face
b. ) absence of comedones
c. ) absence of pustules
d. ) more common in females
B
Which of these cytokines promotes follicular hyperkeratinization?
a. ) IL-1
b. ) IL-8
c. ) IL-10
d. ) TNF-a
A
The most common acne lesion appearing at adrenarche/monarche
a. ) comedone
b. ) papule
c. ) pustule
d. ) cyst
A
What percentage of newborns may suffer from neonatal acne?
a. ) 5%
b. ) 10%
c. ) 15%
d. ) 20%
D
Which of the following drugs may cause acneiform eruption?
a. ) Paracetamol
b. ) Amoxicillin
c. ) Phenytoin
d. ) Mefenamic Acid
C
Aling Marta developed a dry, lichenified plaque on her left foot of 6 months duration. She was diagnosed with lichen simplex chronicus because of the thick lesion, which she constantly scratches. If you were there, you would suggest the ff topical medication:
a. ) Fluocinomide cream
b. ) Fluocinomide ointment
c. ) Triamcinolone lotion
d. ) Zinc oxide paste
B
Jess, an 8 year-old atopic child, developed nummular wet oozing plaques over his right leg. Lesions are now multiple and had been increasing in number and size within a week. Lesions were itchy but were not infected. If you were there in the Derma OPD, you would suggest the following:
a. ) wet saline compress for 5 mins followed by fluocinomide cream
b. ) wet saline compress for 5 mins followed by triamcinolone ointment
c. ) Plain luke warm water soaks followed by betamethasone ointment
d. ) Zinc powder/paste
A
18 year old Jonas went swimming and got sunburned skin especially on his upper back and shoulder areas. There were associated pruritus and erythema on the sun-exposed areas. To relieve the symptoms, you would suggest to do/apply for 3-5 days.
a. ) saline compresses
b. ) desonide ointment
c. ) desonide lotion
d. ) not to touch
C
Mr. Santos was confined in PGH ward because of uncontrolled diabetes. On physical exam, you noted an oozing infected ulcer on his left lower leg. Besides controlling his diabetes systemically, giving systemic antibiotics, and elevating affected leg, you would suggest to do:
a. ) Sandwich wet saline compresses on the ulcer
b. ) Supportive stockings
c. ) Zinc oxide paste
d. ) Warm, dry compress
A
You were given by the medical representative of an ethical pharmaceutical company their samples of mild, least potent anti-inflammatory creams and ointments to try on your patients at the PGH OPD. You will reserve this drug for an indication in the following area:
a. ) Upper back
b. ) Arms
c. ) Legs
d. ) Scrotum
D
Mrs. Cruz developed xerotic lower legs after visiting her daughter in the US. Before applying moisturizers or topical preparations, you would suggest to her to do the following on her shins:
a. ) cold compress for 5 mins
b. ) warm dry compress for 5 mins
c. ) clean with betadine (povedone) cleanser
d. ) hydrate/soak in tepid water for 5 mins
D
Jeff has psoriasis. He had been religiously applying his topical antipsoriatic ointment on his lesions after bathing as advised. One of the psoriatic plaques especially noted on his left knee seemed to be slow in improving. You would suggest to avoid trauma on the area when kneeling and to do the following:
a. ) Apply warm compress to the affected area before applying the ointment
b. ) Clean the affected area with alcohol/betadine cleanser before applying the ointment
c. ) Occlude the affected area with plastic dressings after applying the ointment
d. ) Remove the psoriatic scales before applying the ointment
C
Anna had stopped using her medications for her scalp folliculitis after only 2 days of use. The antibiotic ointment had kept on sticking to her hair strands instead of her scalp and made her look messy. You would suggest to change the preparation into which of the following preparations:
a. ) Gel
b. ) Cream
c. ) Lotion
d. ) Shampoo
A
The rate limiting barrier to percutaneous drug delivery is in which of the following skin component/characteristic?
a. ) thickness of the adipose tissue
b. ) presence of the dermal appendages
c. ) condition of the stratum corneum
d. ) sufficiency of the vascular supply
C
One of these should be a concern of all dermatologists especially when treating PGH patients or any patient coming for consult:
a. ) Is the lesion contagious?
b. ) Is the lesion congenital?
c. ) Is the lesion cancerous?
d. ) Is the treatment cost-effective?
e. ) Will it leave an irreversible cosmetic outcome?
D
Characteristic of impetigo contagiosa
a. ) honeycomb crusting
b. ) formation of pustules
c. ) painful blisters
d. ) vesicles in a dermatomal distribution
A
The most common cause of napkin dermatitis in infants -
a. ) bullous impetigo
b. ) allergic contact dermatitis
c. ) irritant contact dermatitis
d. ) seborrheic dermatitis
C
An infant presented with an erythematous patch on the right half of the body. What do you think the infant has?
a. ) Harlequin color change
b. ) Lymphatic malformation
c. ) Miliaria rubra
d. ) All of the above
A
Well looking baby boy developed firm, reddish violet subcutaneous nodule on the buttocks. What should you check for?
a. ) hypernatremia
b. ) hypercalcemia
c. ) hypocalcemia
d. ) hypernatremia
B
A 3-month old baby girl presented with a diaper rash. In your examination, you noted the presence of blisters and yellow crusting. What would you advise the mother?
a. ) Rash due to diaper allergy
b. ) Rash has no consequence to the child’s health
c. ) Prompt antibiotic therapy is necessary
d. ) Change diaper more frequently
C
