NR 341 EXAM 1 QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026

NR 341 EXAM 1 QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026 myocardial infarction immediate treatment - Answers MONA -morphine -oxygen -nitroglycerin -asa or plavix myocardial infarction treatment after MONA - Answers angioplasty or CABG pain unrelieved by nitroglycerin - Answers myocardial infarction angina - Answers chest pain stable angina - Answers -chest pain that occurs when a person is active or under severe stress -T wave inversion on ECG -treatment: rest and nitroglycerin troponin levels - Answers 0.1 mcg/Ml (as little as 1 hour after occlusion) PT/INR levels - Answers no on warfarin = less or equal to 1.1 on warfarin = 2.0-3.0 PTT levels - Answers not on heparin = 30-40 on heparin = 60-100 CPK - MB levels - Answers 5-25 IU/L what lab is the main indicator for damage to the heart - Answers troponin 1 Hematocrit levels - Answers men: 42%-52% women: 37%48% Hemoglobin levels - Answers Men = 13.5 - 17.5 g/dL Women = 12 - 15.5 g/dL Platelet levels - Answers 150,000 - 450,000 per mcL what can the total CK lab tell you about - Answers muscle damage S/S of ↓ perfusion - Answers Change in LOC Chest Discomfort Hypotension SOB/difficulty breathing Pulmonary congestion/crackles Rapid, slow or weak pulse Dizziness Syncope Fatigue Rapid response team - Answers used for for complications at the hospital pulse sites to check in code blue - Answers carotid or femoral Shockable rhythms - Answers V fib and V tach (pulseless) v tach - Answers Rate: 100-220 beats/min Rhythm: Regular P wave: absent QRS: Wide and bizarre, 0.12 A run of 3 or more consecutive PVCs (no p wave) treatment for v tach and v fib - Answers With a pulse: (sedate pt first) Synchronized Cardioversion NO pulse (same tx as V-Fib): CPR Defibrillation Epinephrine or Vasopressin Amiodarone (antidysrhythmic) Cardioversion vs Defibrillation - Answers Cardioversion: in sync with QRS, used in AFib, atrial flutter, VT w/ a pulse, SVT Defibrillation: (random shock) - not in sync with QRS, used in VFib and VT without a pulse treatment for new onset A-Fib or A-Flutter w/ rate 180 bpm - Answers cardioversion treatment for long-standing Fib/Flutter - Answers anticoagulation with Heparin drip or warfarin for 6 weeks before cardioversion PR interval norm - Answers 0.12-0.20 secs 3-5 boxes QRS complex norm - Answers 0.06 - 0.12 secs 1 1/2 - 3 boxes indicated by short PR intervals - Answers arrhythmias indicated by long PR intervals - Answers heart blocks or other pathological conditions indicated by ST elevation - Answers myocardial injury (STEMI) STEMI - Answers ST-segment elevation myocardial infarction NSTEMI - Answers non-ST elevation myocardial infarction indicated by abnormal Q wave - Answers myocardial infarction what does a prolonged QT interval put you at risk for - Answers ventricular dysrhythmias and sudden death may be caused by electrolyte imbalance (hypokalemia, hypomagnesemia, hypocalcemia), stroke, hypothermia, or meds Atrial rate - Answers count p waves in 6 seconds and multiply by 10 Ventricular rate - Answers count QRS complexes and multiply by 10 bradycardia treatment - Answers atropine 0.5-1 mg (if atropine doesn't work, due to 3rd degree AV block) temporary pacemaker supraventricular tachycardia (SVT) - Answers hr 160-240 bpm regular rhythm can't measure PR interval, no real p waves SVT treatment - Answers adenosine treat underlying cause P waves in normal sinus rhythm - Answers identical and precede each QRS what electrolyte imbalance in caused by premature ventricular contraction PVC - Answers hypokalemia treatment for a-fib or a-flutter for new onset with rate is 180 bpm - Answers Amiodarone Beta blockers Digoxin Amiodorone - Answers Antidysrhythmic chemical cardioversion Monitor ECG for prolonged QT interval with use of antidysrhythmic 1st degree heart block - Answers This prolongs the PR interval to 0.20 sec Rate: 60-100 bpm, rhythm is regular This may be temporary due to ischemia Treatment - Observe the patient 3rd degree heart block - Answers aka Complete heart block Tx immediately w/ a pacemaker (any type) V-fib - Answers Rate: Cannot be determined Rhythm: Chaotic P wave: Not identifiable QRS: Not identifiable TREATMENT Assess Femoral or Carotid pulse Call for help or push code button CPR Defibrillation Epinephrine 1 mg Amiodarone 300 mg followed by 150 mg Followed by continuous infusion