A 32-year-old teacher reports an itchy, erythematous rash on her hands. She has been using a new brand of hand soap for the past week and is concerned she may have developed an allergy. What diagnostic test is most appropriate to identify the underlying cause?

A. Radioallergosorbent test (RAST)

B. Latex IgM levels

C. Skin prick test

D. Urinary porphyrins

E. Skin patch test

This is a high-yield recall(Past exam question). Try to answer this question in 50 seconds. Comment your answer below. The answer to this question is given below.

To discuss the answer Join the study group: Click here

Reveal answer : Click here

At MedRevisions, we strive hard to provide the most up-to-date content available for PLAB Part 1. We constantly add exam-style questions derived from the most recent exam and also update the content to align with the latest NICE/CKS guidelines to ensure doctors pass PLAB Part 1 with ease in ONE attempt.

Reviews about MedRevisions from Past PLAB 1 candidates: Click here

How to use our platform effectively for the PLAB 1 exam preparation: Click here

Find out more about the previous guideline update: click here

Find out more about November 2022 PLAB 1 recalls: Click here

Free 20 Sample PLAB 1 Questions with revision note and complete study note: Click here

Click here to check out all our recent updates