WBR0300
| Author | [[PageAuthor::Rim Halaby, M.D. [1]]] |
|---|---|
| Exam Type | ExamType::USMLE Step 1 |
| Main Category | |
| Sub Category | |
| Prompt | [[Prompt::A researcher is studying the properties of bacterial toxins. After isolating and purifying several bacterial toxins using thiol-disulfide exchange affinity chromatography, he exposes the purified product to a number of harsh conditions. In one experiment, he heats the product to 70C and then injects a small amount into anesthetized rats. Which of the following bacterial toxins is likely to elicit symptoms after injection?]] |
| Answer A | AnswerA::Pseudomonas aeruginosa Exotoxin A |
| Answer A Explanation | AnswerAExp:: |
| Answer B | AnswerB::Vibrio cholerae exotoxin |
| Answer B Explanation | AnswerBExp:: |
| Answer C | AnswerC::Staphylococcal Enterotoxin B |
| Answer C Explanation | AnswerCExp:: |
| Answer D | AnswerD::Tetanospasmin |
| Answer D Explanation | AnswerDExp:: |
| Answer E | AnswerE::Bordetella pertussis Exotoxin |
| Answer E Explanation | AnswerEExp:: |
| Right Answer | RightAnswer::C |
| Explanation | [[Explanation:: Educational Objective: |
| Approved | Approved::No |
| Keyword | WBRKeyword::Staphylococcus aureus, WBRKeyword::Staphylococcal enterotoxin B, WBRKeyword::Heat-stable exotoxin |
| Linked Question | Linked:: |
| Order in Linked Questions | LinkedOrder:: |