Coronary Artery Disease Quiz Coronary Artery Disease Quiz 1. What is the main cause of Coronary Artery Disease (CAD)? a) Bacterial infection b) Viral infection c) Atherosclerosis d) Autoimmune disorder 2. Which of the following is NOT a risk factor for CAD? a) Hypertension b) Obesity c) Regular exercise d) Diabetes 3. What are the typical symptoms of CAD? a) Fever and cough b) Chest pain and discomfort c) Nausea and vomiting d) Dizziness and headache 4. How is CAD diagnosed?
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Dermatology MCQs 1 For USMLE PLAB DHA MOH Exams
A 4 year old child is seen by a pediatrician because he has developed multiple isolated lesions on his face and neck. Physical examination reveals many lesions up to 4 cm in diameter with yellow crusting on the surface. There are also other sites with small blister and with areas oozing small amounts of clear fluid. The most appropriate diagnosis is
A. Herpes simplex I
B. Erysipelas
C. Aphthous ulcers
D. Impetigo ✅
E. Measles
The skin condition NOT associated with systemic lupus erythematosus is which one of the following?
A. Discoid lupus
B. Urticaria
C. Malar Erythema
D. Alopecia
E. Erythema Chronicum Migrans ✅
Question Explanation:
Erythema chronicum migrans is a manifestation of Lyme disease, but is one of the few skin rashes not seen in lupus. All of the other skin manifestations have been described in SLE.
Out of the following, which condition can be associated with generalized erythroderma?
A. Sezary syndrome ✅
B. Acute lymphocytic leukemia
C. Lyme disease
D. Kaposi's sarcoma
E. Lethal midline granuloma
Question Explanation:
Sezary syndrome is a T-cell lymphoma that often produces skin infiltration resulting in erythroderma. None of the other conditions is associated with such skin findings.
Pathergy is found in
A. Sporotrichosis.
B. HIV/AIDS.
C. Lupus.
D. Psoriasis.
E. Bechet's disease ✅
Question Explanation:
Pathergy is dermal hypersensitivity that is characteristic of Bechet's disease. It is not seen in psoriasis, lupus, HIV/AIDS, or Sporotrichosis.
A 35-year-old African-American male presents with a dermatitis that contains erythematous, scaly eruptions associated with pruritis. Microscopy shows a proliferation of lymphocytes within these eruptions. Which one of the following is the most likely diagnosis?
A. Basal cell carcinoma
B. Cutaneous T-cell lymphoma ✅
C. Squamous cell carcinoma
D. Malignant melanoma
E. Histiocytosis
Question Explanation:
Cutaneous T-cell lymphoma (Mycosis fungoides) is the only answer choice in which there is a proliferation of lymphocytes. Malignant melanoma is associated with increased numbers of keratinocytes, while squamous cell carcinoma is an overgrowth of squamous cells. Basal cell carcinoma results in excess numbers of basal cells, while histiocytosis X is associated with increased numbers of Langerhans cells.
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