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Showing posts from September, 2023

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Coronary Artery Disease MCQ Quiz 2024

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?

Dermatology MCQs 9 For USMLE PLAB DHA MOH Exams

Dermatology MCQs 9 For USMLE PLAB DHA MOH Exams  Therapy that is the best primary treatment for aggressive basal cell carcinoma of the skin is which one of the following? A. Cryosurgery B. Systemic chemotherapy C. Excision ✅ D. Watchful waiting E. Radiation therapy Question Explanation: Excision is recommended for histologically aggressive or recurrent basal-cell carcinomas. Cryosurgery is used for low risk lesions. Systemic chemotherapy is rarely necessary. Watchful waiting is medically inappropriate. Radiation therapy is not useful as the first line of treatment for these tumors, but may be used as an adjunct to other therapy if necessary. Which of the following agent is NOT associated with skin photosensitization? A. Sulfonamides. B. Piroxicam. C. Hydrochlorothiazide. D. Prednisone. ✅ E. Chlorpromazine. Question Explanation: Prednisone does not photosensitize the skin. All of the other agents are well known photosensitizing agents, and individuals taking any of them should be advise

Dermatology MCQs 8 For USMLE PLAB DHA MOH Exams

Dermatology MCQ 8 For USMLE PLAB DHA MOH Exams  1. A 34-year-old female attends her GP concerned regarding a mole. Which of the following characteristics of the lesion would raise suspicion that it is a malignant melanoma? A. Asymmetry ✅ B. Lesion is 5 mm in diameter C. Uniform Pigmentation D. Lesion is present on face E. Lesion is smoothly raised Question Explanation: The mnemonic of ABCDE regarding characteristics of a melanoma are as follows: A. Asymmetry one half of the lesion does not match the other half B. Border irregularity C. Colour variegation - pigmentation is not uniform D. Diameter- a diameter 7 mm warrants investigation although changes in size are also important E. Evolution - evolving size or changes in characteristics such as nodules 2. A 55 year old complains of a scaly and reddened rash on his skin. He noticed that this usually occurs after exposure to sunlight. He admits to recent weakness, diarrhea and weight loss. Examination is unremarkable except for a slight t

Dermatology MCQ 7 Medical Exam Questions With Answers

Dermatology MCQ 7 Exam Questions With Answers And Detailed Explanations A 39-year-old female presents with red target lesion confined to the hands and is diagnosed with erythema multiforme. Which of the following could be the cause? A. Cytomegalovirus infection B. Sulphonamides ✅ C. Langerhan's cells histiocytosis D. Group B streptococci E. Ureaplasma urealyticum Question Explanation: Potential causes of erythema multiforme include: 1. Infections Viruses: herpes simplex 1 and 2, hepatitis B, Epstein-Barr virus (EBV), enteroviruses Small agents: Mycoplasma pneumonia Bacteria: Group A Streptococcus, eosina Other: Mycobacterium tuberculosis, Histoplasma, coccidioides. 2. Neoplasia → Leukemia Lymphoma. 3. Antibiotics Penicillins, sulphonamides, isoniazid, tetracycline.  4. Anticonvulsants  Phenytoin, phenobarbitone, carbamazepine. 5. Other Aspirin Radiation therapy Etoposide NSAIDS Sunlight Pregnancy. Dysphagia, hard calcified nodules in the fingers, and cold hands are present for seve

Dermatology MCQ 6 Questions For USMLE PLAB DHA MOH Exams

Dermatology MCQ 6 Questions For USMLE PLAB DHA MOH Exams A 23-year-old male shows concern about extensive, coalescing, hypopigmented, slightly scaly lesions on his back and chest for two years. It has gradually become more extensive. He has been in good health. The lesions were not symptomatic. What is the most appropriate treatment for his condition? A. Cytarabine B. Oral Nystatin C. Oral itraconazole D. Ketoconazole cream ✅ E. Oral terbinafine Question Explanation: The patient presents with an asymptomatic eruption on his trunk. The lesions are scaly, hypopigmented and are not associated with any systemic disease. This is characteristic of pityriasis versicolor, which is caused by the unicellular yeast Pityrosporum ovale and Pityrosporum orbiculare. The yeast is lipophilic and is encouraged by an increase in environmental temperature, thus many patients notice that the condition begins after a summer vacation. It is a disorder of the healthy but the immunocompromised are at risk. The