DERMATOLOGY MCQS – Exercise 1

Q 1. urticaria pigmentosa is a disorder of

Q 2. apocrine miliaria is a name given to which of the following conditions

Q 3. FTU is a measure of:

Q 4. desmosomes are helpful in connecting

Q 5. epidermal melanin unit has a ratio of

Q 6. A patient presents with scarring Alopecia, thinned nails, hypopigmented macular lesions over trunk and oral mucosa. The diagnosis is :

Q 7. tzanck preparation is used for the following skin conditions, EXCEPT:

Q 8. Ritter’s disease is caused by

Q 9. A 40 year old male developed persistant oral ulcers followed by multiple flaccid bullae on trunk and extremities. Direct immunofluorescence examination of a skin biopsy showed intercellular IgG deposits in the epidermis. The most probable diagnosis is:

Q 10. Bulla spread sign’ is seen in which of the following condition?

Q 11. The “dilapidated brick wall” appearance is classically seen in the histopathology of the following?

Q 12. Which of the following presents with a “string of pearl appearance”?

Q 13. ballooning degeneration and lipschutz`s bodies are found in

Q 14. tennis racquet shaped granules are seen in which cell

Q 15. Buschke- Lowenstein tumor is seen in

Q 16. total cell turnover time is

Q 17. The day after playing in the high grasses of a neighbor’s fields, an 8 year old boy develops a weeping, vesicular, erythematous, and itchy rash on his arms, legs, and neck. Which of the following best describes this inflammatory response?

Q 18. 27-year-old sexually active male develops a vesiculobullous lesion on the glans soon after taking tablet paracetamol for fever. The lesion healed with hyperpigmentation. The most likely diagnosis is:

Q 19. stratum lucidum includes

Q 20. Athlete’s foot disease is caused by

Q 21. Fogo selvagem is a type of:

Q 22. Which of the following drug is not associated with drug induced pemphigus?

Q 23. distribution of keratins in the basal layers

Q 24. A person presents with hemorrhagic fluid in a tense blister at dermoepidermal junction. Most probable diagnosis is:

Q 25. A 30 year old male presents with itchy papulo-vesicular lesions on the extremities, knees, elbows and buttocks since one year. Direct immunofluorescence staining of the lesions showed IgA deposition at dermoepidermal junction. Which of the following represents the most probable diagnosis?

Q 26. A 22 year old female presents with dirty warty papules in the seborrheic areas especially in the summer. Her father also gives a h/o similar lesions. What is the most probable diagnosis?

Q 27. which part of hair is functionally fixed

Q 28. itching associated with linear IgA deposition in dermal papillae is a feature of:

Q 29. Koebner’s phenomenon is seen in all of the following conditions, EXCEPT:

Q 30. A 30 year old pregnant woman presents to a physician with painful oral ulcers. Physical examination demonstrates widespread erosions of her mucous membranes. Close examination reveals a friable mucosa, but no well-defined aphthous ulcers. Biopsy of perilesional mucosa demonstrates acantholysis; direct immunofluorescence demonstrates an intraepidermal band of IgG and C3. Which of the following is the most likely diagnosis?