Barron/Elsevier CCRN practice test questions

ADH - ansPhenytoin inhibits _______ secretion Right - ansMost episodes of aspiration result in (right/left) lung infiltrates. urine creatinine clearance - ansBest indicator of GFR Auto-PEEP - ansIn a vented patient with status asthmaticus, check for _______________ Air trapping - ansAn increase in auto-PEEP is a sign of _________________. obstructive pulmonary disease - ansA patient with a flattened diaphragm on a Chest X-ray and decreased expiratory flow rate most likely has what type of disease? II and V1 - ans____ and ______ are the two best P wave leads. wide, notched P waves - ansWhat is a manifestation of left atrial enlargement on an EKG in lead II? normal - ansDiphasic P waves in lead V1 on 12-lead EKG are abnormal/normal. myoglobin - ans_________ is the earliest cardiac biomarker for a MI (elevated within 3hrs s/p MI) and is nonspecific. pleurodesis - ansinjection of a sclerosing agent into the pleural space and is used for pleural effusion LAD - ansThe__________ coronary artery supplies the bundle of His and bundle branches anterior (LAD affected) - ans_____________ MIs may cause blocks of the bundle of His or bundle branches Right Coronary Artery (RCA)... LCA in 10% of ppl - ansType I AV block, also called Wenckebach, is a block at the AV node, and the AV node is supplied by the ___________________ (in 90% of people) sinus - ansthe ____________ node is supplied by the RCA in 55% of ppl and LCA in 45% pale and shiny - ansThe skin changes associated with chronic peripheral arterial disease pain, pallor, pulselessness, paresthesia, paralysis, and polar (cold) - answhat are the 6 Ps of acute arterial occlusion? less - ansThere is (more/less) risk of burning of the skin with biphasic waveform defibrillation than with monophasic.