WBR0001: Difference between revisions

Jump to navigation Jump to search
m (Gerald Chi moved page TestQues1 to WBR0001 without leaving a redirect)
No edit summary
Line 1: Line 1:
{{WBRQuestion
{{WBRQuestion
|QuestionAuthor=Anonymous
|ExamType=USMLE Step 1
|ExamType=USMLE Step 1
|MainCategory=Behavioral Science/Psychiatry, Pharmacology
|MainCategory=Behavioral Science/Psychiatry, Pharmacology
Line 22: Line 23:
|Explanation=This patient has likely been placed on lithium (Lithobid) for mood stabilization, one side effect of which is hypothyroidism that can not only be counterproductive to therapy but also cause for discontinuation of the medication.
|Explanation=This patient has likely been placed on lithium (Lithobid) for mood stabilization, one side effect of which is hypothyroidism that can not only be counterproductive to therapy but also cause for discontinuation of the medication.
|AnswerA=Carbamazepine (Tegretol).
|AnswerA=Carbamazepine (Tegretol).
|AnswerAExp=Carbamazepine is an anticonvulsant and mood-stabilizing drug used primarily in the treatment of epilepsy and bipolar disorder.  It is also the first line treatment for trigeminal neuralgia.  Carbamazepine stabilizes the inactivated state of voltage-gated sodium channels, thereby reducing the excitability of neurons.  Carbamazepine is an inducer of the Cytochrome P-450 system and adverse reactions to Carbamazepine include rash, SIADH, agranulocytosis and teratogenicity.
|AnswerB=Gabapentin (Neurontin).
|AnswerB=Gabapentin (Neurontin).
|AnswerC=Venlafaxine (Effexor).
|AnswerC=Venlafaxine (Effexor).

Revision as of 19:05, 26 September 2013

 
Author PageAuthor::Anonymous
Exam Type ExamType::USMLE Step 1
Main Category MainCategory::Behavioral Science/Psychiatry, MainCategory::Pharmacology
Sub Category SubCategory::Neurology
Prompt [[Prompt::A 23-year-old woman comes to your office with symptoms of depressive episodes, insomnia, and decreased appetite. She also reports episodes of excited mood and euphoria. You recognize her disorder as likely bipolar in nature and refer her to a psychiatrist in the area. After 2 months, she returns to your office and states her symptoms of mood swings as well as very high and low periods of excitation have improved after her psychiatrist placed her on medication, although she can't remember the name. However, she does complain of recent menstrual irregularities, constipation, and fatigue. What medication was likely used to control her bipolar type symptoms?]]
Answer A AnswerA::Carbamazepine (Tegretol).
Answer A Explanation [[AnswerAExp::Carbamazepine is an anticonvulsant and mood-stabilizing drug used primarily in the treatment of epilepsy and bipolar disorder. It is also the first line treatment for trigeminal neuralgia. Carbamazepine stabilizes the inactivated state of voltage-gated sodium channels, thereby reducing the excitability of neurons. Carbamazepine is an inducer of the Cytochrome P-450 system and adverse reactions to Carbamazepine include rash, SIADH, agranulocytosis and teratogenicity.]]
Answer B AnswerB::Gabapentin (Neurontin).
Answer B Explanation AnswerBExp::
Answer C AnswerC::Venlafaxine (Effexor).
Answer C Explanation AnswerCExp::
Answer D AnswerD::Amitriptyline.
Answer D Explanation AnswerDExp::
Answer E AnswerE::Lithium (Lithobid).
Answer E Explanation AnswerEExp::
Right Answer RightAnswer::E
Explanation [[Explanation::This patient has likely been placed on lithium (Lithobid) for mood stabilization, one side effect of which is hypothyroidism that can not only be counterproductive to therapy but also cause for discontinuation of the medication.

Educational Objective:
References: ]]

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