UWorld Practice Test Section 1a Flashcards
What is usually the first step in the case of protracted labor?
amniotomy
oxytocin if membranes already ruptured
What are 3 possible causes of an exudative pleural effusion w/ a high amylase level?
pancreatititis, esophageal rupture, and malignancy
What are the states of protein, glucose, and WBCs in a pleural effusion d/t TB?
protein very high (>4g/dL), glucose slightly below serum lvl, lymphocytic predominance
In HIV pts, t what CD4 count should anti-retroviral Tx be started?
<350/μL
What kind of IV Abx may be given for spontaneous bacterial peritonitis?
3rd gen cephalosporin, fluoroquinolone, or extended-spectrum penicillin (e.g. amoxicillin/clavulanic acid)
What lab finding would differentiate porphyria cutanea tarda from bullous pemphigoid?
elevated LFTs
What are the most common intracranial tumors in adults?
metastases
What are the most common PRIMARY CNS lesions in adults?
Gliomas
What condition is St. John’s wort used to treat?
mild depression
Symmetric proximal muscle weakness in an elderly person combined with elevated muscle enzymes, such as LDH and CPK.
Polymyositis
What is the mech of hypotension in tension pneumothorax?
hi intrathoracic pressure impedes venous return
What does “complex” refer to w/ regard to a seizure?
loss of consciousness
What does “partial” refer to w/ regard to a seizure?
focal
What is the tx for a stable pt w/ wide-complex tachycardia?
Amiodarone or Sotalol
What is the tx for a stable pt w/ narrow-complex tachycardia?
Vagal maneuvers,
Adenosine,
β-blockers or Ca++ channel blockers
