WBR1008

Jump to navigation Jump to search
 
Author [[PageAuthor::Vidit Bhargava, M.B.B.S [1]]]
Exam Type ExamType::USMLE Step 2 CK
Main Category MainCategory::Internal medicine
Sub Category SubCategory::Dermatology
Prompt [[Prompt::A 42 years old female presents to her physician with following complaints:

Abdominal pain which is severe and poorly localized since last 2 weeks, dark urine, altered sensation, sweating, restlessness and tremor, anxiety, agitation. She has also been hearing voices on and off which, tell her to harm her neighbor. She also experiences bouts of sudden uncontrolled weeping. On physical examination she has raised heart beat and slightly elevated blood pressure, but is otherwise unremarkable.

After doing a thorough work up, she is diagnosed with a defect in heme metabolism. Which of these correctly represents her disease and the enzyme defect that she is suffering from? Shown below is an image depicting the heme metabolism:

]]

Answer A AnswerA::Acute intermittent porphyria; porphobilinogen deaminase
Answer A Explanation AnswerAExp::
Answer B AnswerB::Congenital erythropoietic porphyria; uroporphyrinogen III synthase
Answer B Explanation AnswerBExp::
Answer C AnswerC::Variegate porphyria; protoporphyrinogen oxidase
Answer C Explanation AnswerCExp::
Answer D AnswerD::Acute porphyria; ALA synthase deficiency
Answer D Explanation AnswerDExp::
Answer E AnswerE::Acute porphyria; ALA dehydrogenase deficiency
Answer E Explanation AnswerEExp::
Right Answer RightAnswer::A
Explanation [[Explanation::

Educational Objective:
References: ]]

Approved Approved::No
Keyword
Linked Question Linked::
Order in Linked Questions LinkedOrder::