Pharmacology Final Exam REVIEW!!!! VERIFIED QUESTIONS AND ANSWERS ALREADY GRADED A+

Pharmacology Final Exam REVIEW!!!! VERIFIED QUESTIONS AND ANSWERS ALREADY GRADED A+ 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 - ANSWER-B. Decreased heart rate 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 - 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 A patient has been taking digoxin at home but has taken an accidental overdose and has developed toxicity. He has been admitted to the telemetry unit where the physician has ordered digoxin immune Fab (Digibind). The patient asks the nurse why the medication is ordered. What is the nurse's best response? A. "It works faster than digoxin." B. "It is safer than digoxin and can be taken orally." C. "It helps to convert the irregular heart rhythm to a more normal rhythm." D. "This drug is an antidote to digoxin and will help to lower the blood levels." - ANSWER-D. "This drug is an antidote to digoxin and will help to lower the blood levels." (severe bradycardia, advanced heart block, ventricularr tachycardia, fibrillation, and hyperkalemia); available in parental form. Clinical signs and symptoms are monitored NOT serum levels----used for systolic heart failure and atrial fibrillation.