Myocardial contractility - Study guides, Class notes & Summaries

Healthstream Test 2023 Exam / 108 Complete Questions and Correct Answers. A patient assessment reveals distended neck veins, pulsus paradoxus, and decreased systolic pressure. This assessment is most consistent with: - ANSWER cardiac tamponade. The nurse is caring for a patient with severe sepsis and third-degree heart block. The patient is hypotensive. The treatment for this life-threatening rhythm change includes: - ANSWER transcutaneous pacing. A patient is admitted to the ICU with sus...

NGN NCLEX /NCLEX NGN RN ACTUAL EXAM LATEST MAY 2023 TEST BANK 800 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES |A+GRADE QUESTION 1 Which classification of drugs is contraindicated for the client with hypertrophic cardiomyopathy? A. Positive inotropes B. Vasodilators C. Diuretics D. Antidysrhythmics Answer: A Explanation: (A) Positive inotropic agents should not be administered owing to their action of increasing myocardial contractility. Increased ventricular contractilit...

HESI Pharmacology Exit Exam with NGN 1 . A healthcare provider prescribes cephalexin monohydrate (Keflex) for a client with a postoperative infection. It is most important for the nurse to assess for what additional drug allergy before administering this prescription? A) Penicillins. B) Aminoglycosides. C) Erythromycins. D) Sulfonamides. A) Penicillins. Cross-allergies exist between penicillins (A) and cephalosporins, such as cephalexin monohydrate (Keflex), so checking for penicilli...

NCLEX PN ACTUAL 2023 EXAM Questions Test Bank (NCLEX-PN) (2023 Update) WITH Questions and ANSWERS Exam A QUESTION 1 To appropriately monitor therapy and client progress, the nurse should be aware that increased myocardial work and O2 demand will occur with which of the following? A. Positive inotropic therapy B. Negative chronotropic therapy C. Increase in balance of myocardial O2 supply and demand D. Afterload reduction therapy Correct Answer: A Section: Questions Set A Explanatio...

HEALTHSTREAM TELEMETRY & ECG EXAM 2023/2024 Mechanical & Electrical Activity - CORRECT ANSWER-- Correlation between the electrical and mechanical functions of the heart - Electrical activity stimulates the heart to contract - Electrocardiogram (ECG) show both functions - Electrical pulse= action potntial Cardiac Monitoring - CORRECT ANSWER-- Used to diagnose dysrhythmias, chamber enlargement, MI/myocardial ischemia, monitor effects of electrolyte imbalances of medication administrat...

Beta Blockers - Answer- Initial measures for the treatment of angina pectoris do not include which response below? ST segment elevation - Answer- The classical ECG change with muscle injury in acute myocardial infarction is: CHF - Answer- Elevated cardiac iso-enzymes generally do not occur in which response below? Increased CO - Answer- The major therapeutic goal in the treatment of cariogenic shock is to: Reduces preload and after load and improves contractility - Answer- You receiv...

Test Bank For Applied Pathophysiology for the Advanced Practice Nurse, 1st Edition Lucie Dlugasch, Lachel Story. Which of the following coenzymes is(are) necessary for normal red blood cell nuclear maturation and DNA synthesis pathway? A) Vitamin D B) Folate C) Calcium D) Vitamin B12 (cobalamin) E) Both folate and vitamin B12 (cobalamin) Ans: E Complexity: Easy Ahead: Hematopoietic System Subject: Chapter 3 Title: Hematopoietic Function 2. von Willebrand factor is directly involved ...

ABCP Board review 2023 QUESTIONS WITH CORRECT ANSWERS The major cation found in extracellular fluid is? a) K+ b) Ca++ c) Mg++ d) Na+ - CORRECT ANSWERS d) Na+ Oxygen delivery will be decreased when a low venous oxygen tension and high venous oxyhemoglobin saturation are present due to: a) increase in P50 b) decrease in P50 c) metabolic alkalosis d) metabolic acidosis - CORRECT ANSWERS c) metabolic alkalosis At a given PO2, increasing PCO...

Coronary artery perfusion is dependent upon: A. diastolic pressure B. systolic pressure C. afterload D. systemic vascular resistance (SVR) Correct Answers A. diastolic pressure Diastolic pressure in the aortic root is higher than left ventricular end-diastolic pressure (LVEDP), the pressure exerted on the ventricular muscle at the end of diastole when the ventricle is full. This enables blood to flow from a higher pressure through open arteries to a lower pressure, a pressure gradient known...

NGN NCLEX /NCLEX NGN RN ACTUAL EXAM LATEST 2023 TEST BANK 800 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES AGRADE QUESTION 1 Which classification of drugs is contraindicated for the client with hypertrophic cardiomyopathy? A. Positive inotropes B. Vasodilators C. Diuretics D. Antidysrhythmics Answer: A Explanation: (A) Positive inotropic agents should not be administered owing to their action of increasing myocardial contractility. Increased ventricular contractil...