Healthstream Test Exam Questions And Answers Verified 100% Correct

Healthstream Test Exam Questions And Answers Verified 100% Correct A patient reports unrelenting, crushing chest pain; nausea; and dyspnea. The nurse suspects an acute myocardial infarction. What change should the nurse expect to see on the patient's ECG? - ANSWER -ST-segment elevation During an acute lateral myocardial infarction, changes will be seen in which ECG leads? - ANSWER -I, aVL, V5, V6 Acute pericarditis is most commonly associated with: - ANSWER -renal failure. The primary sign that indicates an intraoperative stroke is: - ANSWER -seizures. Rather than impeding lung blood flow, pulmonary emboli composed of _____________ injure blood vessels and cause acute respiratory distress syndrome (ARDS). - ANSWER -fat The most common lethal arrhythmia in the first hour of a myocardial infarction- - ANSWER -v. fib Evaluation of the comprehension of instructions given to a new nurse regarding the QT interval on an ECG strip- - ANSWER -Beginning of QRS to end of T wave- less than ó of preceding R-R interval- .4, prolongation leads to torsades The mechanism of action for calcium channel blockers in the treatment of angina - ANSWER -allows blood vessels to relax and open The primary classifications of physical traits that are manifested by patients with acute onset delirium - ANSWER -Restlessness, pacing, agitation, mood change, hallucination, uncooperative, reduced motor activity, sluggishness, in a daze Cardiovascular manifestations of adrenal insufficiency- - ANSWER -low bp, arrhythmias, CHF An imaging test used to confirm the presence of hypercortisolism (Cushing's disease) - ANSWER -MRI The length of time that digoxin must be held prior to elective cardioversion- - ANSWER -24-48 hr The single most important laboratory test in a patient who appears to be intoxicated with ethanol- - ANSWER -glucose The most accurate test to use in diagnosing sleep apnea - ANSWER polysomnography Risk factors that may lead to the development of atrial fibrillation- - ANSWER HTN, MI, DAD, Congenital, Thyroid, drugs, abn heart valves, SSS, Pulmonary disease, viral infection, stress, OSA The ECG leads in which changes will be seen during an acute lateral myocardial infarction - ANSWER -ST segment elevation in anterior leads (V3 and V4) The priority assessment the nurse should make prior to administering digoxin (Lanoxin®) to a patient- - ANSWER -HR Indications for thrombolytic therapy for acute MI- - ANSWER -St elevation MI or new left bundle branch block presenting w/in 12 hours of onset of symptoms The guidelines for use of steroids in the patient with acute adrenal insufficiency (Addisonian crisis) - ANSWER -IVF, Steroids, ACTH test, vasopressors hydrocortisone in divided doses- weaned when stable to prednisolone Neuromuscular manifestations of adrenal insufficiency - ANSWER --fatigue, muscle weakness, headache skin hyperpigmentation key features of infective endocarditis - ANSWER -heart murmur, fever, chills, night sweats, muscle pain, loss of appetite, SOB, chest pain safety profile for the use of combined hormonal contraceptive (CHC) pills by the individual with sickle cell anemia- - ANSWER -(progesterone only BC pills to decrease incidence of DVT and bone loss) actions of nitroglycerin in the management of angina- - ANSWER -(dilates arteries and veins in the heart- decreasing the workload of the heart- relaxation of vascular smooth muscle) where the upper extremity limb leads are placed for continuous ECG monitoring- - ANSWER -(white- right- directly below the clavicle near the shoulder, black-left-directly below the clavicle near the shoulder) The reason that aspirin in high analgesic doses is usually avoided in the treatment of patients with gout- - ANSWER -(high dose aspirin can alter the blood level of urid acid) The type of antidepressant that can block the reuptake of dopamine when prescribed at higher doses - ANSWER --Bupropion(Wellbutrin) ECG leads in which changes will be seen during an acute lateral myocardial infarction - ANSWER -anterior leads V2-4 & lateral leads 1, AVL, V5-6 etiology of atrial flutter - ANSWER -(common, abn electrical circuit of upper chambers of the heart that decreases the squeeze-output- can be asymptomatic, caused by birth defects, medications, viruses, metabolic disorders -ie: dehydration) clinical presentation of right-sided heart failure - ANSWER -(JVD, edema, pleural effusions, fatigue, cool extremities, exercise intolerance, dizziness, syncope, ascites)