Dermatologist Certificate Trivia 2 — Questions and Answers
Question 1: Which Nobel Prize-winning discovery led to widespread use of UV radiation in dermatology?
- Niels Finsen's phototherapy for lupus vulgaris (Correct answer)
- Marie Curie's discovery of radium
- Alexander Fleming's penicillin
- Wilhelm Röntgen's X-rays
Correct answer: Niels Finsen's phototherapy for lupus vulgaris
Niels Finsen won the 1903 Nobel Prize in Medicine for treating lupus vulgaris with concentrated UV light, founding phototherapy.
Question 2: What is the approximate total surface area of the skin in an average adult human?
- 1.5–2 square meters (Correct answer)
- 0.5–1 square meter
- 2.5–3 square meters
- 3–4 square meters
Correct answer: 1.5–2 square meters
The adult human skin covers approximately 1.5–2 square meters, making it the body's largest organ.
Question 3: Which dermatological condition famously affected the 16th-century monarch King Henry VIII later in life, contributing to his characteristic appearance?
- Syphilitic gummas and leg ulcers (Correct answer)
- Psoriatic plaques
- Rosacea flushing
- Pemphigus vulgaris
Correct answer: Syphilitic gummas and leg ulcers
Henry VIII likely suffered from syphilitic gummas and chronic leg ulcers, consistent with historical accounts of painful, draining wounds.
Question 4: The Fitzpatrick scale, developed in 1975, classifies human skin into how many phototypes?
- Six (Correct answer)
- Four
- Eight
- Ten
Correct answer: Six
Thomas Fitzpatrick developed a six-type scale (I–VI) to classify skin response to UV radiation based on pigmentation and burn/tan tendency.
Question 5: Which pigment gives sebaceous gland secretions their characteristic color and contributes to the yellow tint in aged skin?
- Lipofuscin
- Melanin
- Bilirubin
- Carotenoids (Correct answer)
Correct answer: Carotenoids
Dietary carotenoids accumulate in sebaceous secretions and subcutaneous fat, contributing to the yellowish tint seen in the skin.
Question 6: What historical skin treatment, involving wrapping patients in cloth soaked in coal tar, was standard therapy for psoriasis before modern biologics?
- Goeckerman regimen (Correct answer)
- Ingram method
- PUVA therapy
- Darier technique
Correct answer: Goeckerman regimen
The Goeckerman regimen combined crude coal tar application with UV light exposure and was a mainstay psoriasis treatment for decades.
Question 7: Which skin condition, historically called 'the great imitator,' can mimic virtually any dermatological disease in its secondary stage?
- Secondary syphilis (Correct answer)
- Systemic lupus erythematosus
- Pityriasis rosea
- Drug hypersensitivity syndrome
Correct answer: Secondary syphilis
Secondary syphilis produces a wide variety of skin manifestations—maculopapular rashes, condylomata lata, alopecia—earning syphilis the nickname 'the great imitator.'
Dermatologist Certificate Trivia 2
Which Nobel Prize-winning discovery led to widespread use of UV radiation in dermatology?