β blocker - Study guides, Class notes & Summaries

Class 1 Antiarrhythmic Mechanism - ANS Sodium (Na) Channel Blockers Class II Antiarrhythmic Mechanism - ANS Beta Blockers Class III Antiarrhythmic Mechanism - ANS Potassium (K) Channel Blockers Class IV Antiarrhythmic Mechanism - ANS L-Type Calcium (Ca) Channel Blocker Class A drugs - ANS -Quinidine (rarely used) -Procainamide -Disopyramide. Na Channel blockers that raise APD Class Ib drugs - ANS -Lidocaine -Mexiletine -Phenytoin Na Channel blockers th...

Katzung & Trevor's Pharmacology: Examination and Board Review INTRODUCTION 1. A 3-year-old is brought to the emergency department having just ingested a large overdose of tolbutamide, an oral antidiabetic drug. Tolbutamide is a weak acid with a pKa of 5.3. It is capable of entering most tissues, including the brain. On physical examination, the heart rate is 100/min, blood pressure 90/50 mm Hg, and respiratory rate 20/min. Which of the following statements about this case of tolb...

USMLE STEP 1 Pharmacology Final Exam Review USMLE STEP 1 Pharmacology Final Exam Review What are the major functions of the α1 receptor? Increase vascular smooth muscle contraction, increase pupillary dilator muscle contraction (mydriasis), increase intestinal and bladder sphincter muscle contraction What are the major functions of the α2 receptor? Decrease sympathetic outflow, decrease insulin release, decrease lipolysis, increase platelet aggregation, decrease aqueous humor producti...

149.) A client taking fexofenadine (Allegra) is scheduled for allergy skin testing and tells the nurse in the health care provider's office that a dose was taken this morning. The nurse determines that: 1. The client should reschedule the appointment. 2. A lower dose of allergen will need to be injected. 3. A higher dose of allergen will need to be injected. 4. The client should have the skin test read a day later than usual. - correct answer 1. The client should reschedule the appoint...

MED SURG Final EXAM 2024 Question BANK 2024 (Exams 1-3 & ATI’s) (UPDATED). Exam 1 1. A patient has received atropine before surgery and complains of dry mouth. Which action by the nurse is best? Answer: Tell the patient dry mouth is an expected side effect. 2. A patient arrives at the ambulatory surgery center for a scheduled laparoscopy procedure in outpatient surgery. Which information is of most concern to the nurse? Answer: The patient is planning to drive home after surgery. 3. As ...

STABLE angina definiton correct answer: substernal "gripping" chest pain or pressure on exertion, relieved w/ rest or NTG One vessel disease treatment correct answer: Tx β-blocker + aspirin + nitrates two vessel treatment correct answer: Tx β-blocker + aspirin + nitrates vs PTCA OR CABG three vessel disease correct answer: Tx CABG what is involved in a pharmacological stress test correct answer: : IV adenosine, dipyridamole, or dobutamine can stress the heart in place of exe...

PHARMACOLOGY TESTBANK TEST 3 WITH SATISFIED SOLUTIONS A 70-year-old patient asks an NP about using diphenhydramine (Benadryl) to control intermittent allergic symptoms that include runny nose and sneezing. The NP should counsel this patient to: take the lowest recommended dose initially. A patient asks an NP about using an oral over-the-counter decongestant medication for nasal congestion associated with a viral upper respiratory illness. The NP learns that this patient uses loratadine (Cl...

What is the tx for bradycardia? correct answer: -atropine -pacemaker - stop the offending drugs What's tx for A-Fib? correct answer: -Amiodarone -Ibutilide - Electrical cardioversion - Calcium Channel Blocker (diliazem) - Beta blocker (metoprolol) - digoxin (lanoxin) - Dronearone -radiofrequency ablation - the maze procedure What is the tx for V-tach? correct answer: CPR defib (if no pulse) meds (if pulse) amiodarone or lidocaine Cardioversion (stable/unstable) What doe...

Cardiac EKG Rhythms (Updated). Normal Sinus Rhythm Normal Sinus Rhythm ● Rate: 60-100 beats per minute ● Rhythm: Atrial and Ventricular Regular ● P Wave: Uniform in appearance, upright, normal shape, one preceding each QRS complex ● PR Interval: 0.12- 0.2 seconds ● QRS: 0.12 second or less. (If larger than 0.12- QRS is wide and there may be a bundle branch block) Sinus Bradycardia ● Rate: Less than 60 beats per minute ● Rhythm: Atrial and Ventricular Regular ● P Waves...

NSG 6005 Pharm Respiratory, Allergy Meds questions with correct answers Bronchodilators Correct Answer-oral or inhaled, for acute relief and prevention/control. β2-adrenergic agonists Inhaled, short-acting: Albuterol : RESCUE MEDICATION Inhaled, long-acting: Salmeterol: CONTROLLER MED Anti-cholinergics Inhaled, Ipratropium, inhaled (Atrovent): CONTROLLER MED or Adjuvant Rescue Methylxanthines Oral, long-acting: Theophylline: CONTROLLER MED Albuterol (Ventolin) class Correct Answer-S...