Pharmacology NRSG 106-02N Questions And Answers With Complete Solutions

In assessing a patient before administration of a cardiac glycoside, the nurse knows that what condition can predispose a patient to digitalis toxicity? A. Hypokalemia B. Hyperkalemia C. Hypocalcemia D. Hypernatremia correct answer: A. Hypokalemia; control ventricular response to atrial fibrillation and a derived from foxglove. Digoxin is the only available cardiac glycoside---positive inotropic---inhibits sodium potassium pump (adenosine tripphophatase) Sodium and calcium rise. Cholinergic stimulation via the vagus nerve of Parasympathetic nervous system. ---Negative chronotropic---Negative Dromotropic effect While assessing a patient who is receiving intravenous digitalis, the nurse recognizes that the drug has a negative chronotropic effect. How would this drug effect be evident in the patient? A. Increased heart rate B. Decreased heart rate C. Decreased conduction D. Increased ectopic beats correct answer: B. Decreased heart rate 5. A patient has been placed on a milrinone infusion as part of the therapy for end-stage heart failure. What risks involved with this drug will the nurse keep in mind while assessing this patient during the infusion? A. Hypertension B. Hyperkalemia C. Nausea and vomiting D. Cardiac dysrhythmias correct answer: D. Cardiac dysrhythmias (contraindictated with ventricular tachycardia, and fibrillation) used for treatment of atrial fibrillation. Available in Oral and injection form. 7. When reviewing the list of medications taken by a patient who will be receiving a new prescription for digoxin, the nurse would be concerned about which medication that may interact with the digoxin? A. aspirin B. acetaminophen (Tylenol) C. furosemide (Lasix) D. vitamin K correct answer: C. furosemide (Lasix); (loop Diuretics); numerous ones on page 341 8. The nurse is reviewing discharge teaching for a patient who will be taking digoxin (Lanoxin) therapy. The patient should be taught to avoid which foods when taking the digoxin? A. Leafy green vegetables B. Dairy products C. Grapefruit juice D. Bran muffins correct answer: D. Bran muffins 10. The nurse administering the phosphodiesterase inhibitor inamrinone recognizes that this drug should have a positive inotropic effect. This effect will result in increased A. heart rate. B. blood vessel dilation. C. force of cardiac contraction. D. conduction of electrical impulses across the heart. correct answer: C. force of cardiac contraction. (increase c