Our USMLE Step 1 online live course is led by top doctors who have successfully crashed the exam. Tailored for both students and graduates, it offers comprehensive knowledge, hand on training, private mentoring and guidance, questions solving workshops and more to make sure you're well-prepared to ace the exam.
Course Description:
Who is this course for?
Medical students | Medical graduates | M.D
200 hours of interactive learning
240 articles focused on Usmle step 1
440 Usmle step 1 learning videos
1550+ Usmle Step 1 practice questions.
2500+ Flashcards and quizzes
6 Usmle step 1 question practice workshops
Study plan creation
One private session with a medical tutor
One assessment exam simulates the real environment
Priority customer support via WhatsApp and Zoom
This course includes:
Explore course resources, lectures, and materials:
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Major topic: Basic science
Subtopic: Immunology
Question: what cell is responsible for the reaction in type IV hypersensitivity reaction?
Requirements: Mention the role of T lymphocytes in type IV hypersensitivity reaction.
A 3-year-old boy experiences recurrent sinusitis and an episode of severe pneumonia. As part of his evaluation, Candidaextract is injected intradermally. Forty-eight hours later, he returns to the clinic with a firm nodule measuring 16 mm in diameter, where the extract was injected. Which of the following cell types is most likely responsible for the reaction observed in this patient?
Answers:
B lymphocytes
Eosinophils
Mast cells
Neutrophils
T lymphocytes
5. T lymphocytes