Integumentary system Quiz #8, Allergic Skin Reactions  

1. A 28-year-old woman presents to the clinic with a 24-hour history of pruritic, raised, erythematous welts on her abdomen and thighs. She reports eating shrimp at a restaurant the night before, which she had never done before. Her vital signs are within normal limits, and there is no angioedema or respiratory distress. Which of the following is the most likely underlying mechanism of her skin findings? 

Question 1 of 5

2. A 35-year-old male presents with a widespread pruritic rash 2 days after starting antibiotics for a respiratory infection. Examination reveals confluent erythematous macules and papules. The offending medication is immediately discontinued. Which of the following best describes the pathophysiology of this patient's rash? 

Question 2 of 5

3. A 20-year-old college student develops itchy, fluid-filled blisters on her hands and feet during finals week. She has a history of mild atopic dermatitis but no known drug allergies. She denies recent use of new skincare products or exposure to chemicals. Which of the following is the most likely diagnosis? 

Question 3 of 5

4. A 42-year-old man presents with an intensely pruritic rash on his waistline and wrists two weeks after hiking in a wooded area. Examination reveals linear vesicular lesions. Which of the following best characterizes the immunologic mechanism responsible for this patient's condition? 

Question 4 of 5

5. Following a bee sting, a 30-year-old woman immediately develops generalized urticaria, wheezing, and hypotension. Which of the following treatments is most critical to administer first? 

Question 5 of 5


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