Uworld Practice Test 1 Flashcards
What is mechanism of ARDS
Can be brought on by trauma, see pulmonary infiltrates with injury to alveolar pneumocytes and endothelium—> recruit neutrophils and get inflammation and fluid absorption
Compare SA and AV node conduction velocity and location
Purkinje system (SA node, atria) is fastest and AV node is slowest (ventricles)
What bone tumor is most associated with Paget’s disease
Osteosarcoma
What is global sensation
Feeling of a lump in the throat without and physical, endoscopic, radiologic findings, commonly precipitated by anxiety
Histo slide of gouty arthritis
Urate crystals that are slender, needle shaped with neutrophils
What should be considered if children have disease but parents aren’t affected?
Germaine mosaicism
Injury to what nerve is most important with both anterior and posterior dislocation of the knee
Popliteal nerve
What is the most important risk factor in developing post partum endometritis
Prior c section b/c introduction of microbial organisms
What can intranasal cocaine abuse cause
Chronic nasal discharge, atrophied nasal mucosa, perforation of nasal septum, oropharyngeal ulcers, osteolytic sinusitus
In heminephrectomy, how is GFR affected by other kidney immediately after surgery vs. 6 weeks out
Immediately: GFR is 50% baseline, 6 weeks: 80%
PDE5 inhibitors increase cGMP levels in vascular smooth muscle of the _________
Corpus cavernosa
Describe pancreatic excretions composition and flow rate
When high flow: bicarb inc while Cl drops, and low flow: opp is true
Describe salivary secretions and flow
Secrete isotonic similar to plasma, low flow: decreased Na and Cl and inc ductal epithelial contact, high flow: dec ducal epithelial contact and similar to initial composition
