WBR0274: Difference between revisions
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{{WBRQuestion | {{WBRQuestion | ||
|QuestionAuthor=[[User:Gonzalo Romero|Gonzalo A. Romero, M.D.]] [mailto:gromero@wikidoc.org] | |QuestionAuthor=[[User:Gonzalo Romero|Gonzalo A. Romero, M.D.]] [mailto:gromero@wikidoc.org] (Reviewed by Serge Korjian) | ||
|ExamType=USMLE Step 1 | |ExamType=USMLE Step 1 | ||
|MainCategory=Biochemistry, Pathophysiology, Physiology | |MainCategory=Biochemistry, Pathophysiology, Physiology | ||
Line 21: | Line 21: | ||
|MainCategory=Biochemistry, Pathophysiology, Physiology | |MainCategory=Biochemistry, Pathophysiology, Physiology | ||
|SubCategory=Cardiology, Endocrine, Vascular, General Principles | |SubCategory=Cardiology, Endocrine, Vascular, General Principles | ||
|Prompt=A 56-year-old woman | |Prompt=A 56-year-old woman presents to the emergency department for 2 hours of continuous palpitations. The patient reports that for the past 6 months, she has noticed similar episodes that seemed to resolve spontaneously within a few minutes. She felt very anxious when her symptoms persisted and decided to seek care. The patient explains that she hasn't been herself lately; she has been constantly irritable and has been having trouble adapting to the excessively hot weather. She has lost 4.5 kg (10 lbs) unintentionally and has noticed that her hair is becoming thinner. Which of the following is true about the hormone causing this patient’s syndrome? | ||
|AnswerA= | |AnswerA=It decreases cardiac fatty acid metabolism | ||
|AnswerB= | |AnswerB=It decreases the number of cardiac β1 receptors | ||
|AnswerC=Na+/K+ ATPase | |AnswerC=It inhibits the Na<sup>+</sup>/K<sup>+</sup> ATPase | ||
|AnswerD= | |AnswerD=It increases the cardiac output | ||
|AnswerE= | |AnswerE=It increases cardiac contractility | ||
|RightAnswer=D | |RightAnswer=D | ||
|Approved=No | |Approved=No | ||
}} | }} |
Revision as of 14:17, 1 August 2014
Author | [[PageAuthor::Gonzalo A. Romero, M.D. [1] (Reviewed by Serge Korjian)]] |
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Exam Type | ExamType::USMLE Step 1 |
Main Category | MainCategory::Biochemistry, MainCategory::Pathophysiology, MainCategory::Physiology |
Sub Category | SubCategory::Cardiology, SubCategory::Endocrine, SubCategory::Vascular, SubCategory::General Principles |
Prompt | [[Prompt::A 56-year-old woman presents to the emergency department for 2 hours of continuous palpitations. The patient reports that for the past 6 months, she has noticed similar episodes that seemed to resolve spontaneously within a few minutes. She felt very anxious when her symptoms persisted and decided to seek care. The patient explains that she hasn't been herself lately; she has been constantly irritable and has been having trouble adapting to the excessively hot weather. She has lost 4.5 kg (10 lbs) unintentionally and has noticed that her hair is becoming thinner. Which of the following is true about the hormone causing this patient’s syndrome?]] |
Answer A | AnswerA::It decreases cardiac fatty acid metabolism |
Answer A Explanation | AnswerAExp:: |
Answer B | AnswerB::It decreases the number of cardiac β1 receptors |
Answer B Explanation | AnswerBExp:: |
Answer C | [[AnswerC::It inhibits the Na+/K+ ATPase]] |
Answer C Explanation | AnswerCExp:: |
Answer D | AnswerD::It increases the cardiac output |
Answer D Explanation | AnswerDExp:: |
Answer E | AnswerE::It increases cardiac contractility |
Answer E Explanation | AnswerEExp:: |
Right Answer | RightAnswer::D |
Explanation | [[Explanation:: Educational Objective: |
Approved | Approved::No |
Keyword | |
Linked Question | Linked:: |
Order in Linked Questions | LinkedOrder:: |