Basic Pharmacology For Nurses,15th Edition by Bruce D. Clayton
Basic Pharmacology For Nurses,15th Edition by Bruce D. Clayton
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Chapter 24: Drugs Used to Treat Dysrhythmias
Complete Chapter Questions With Answers
Sample Questions Are Posted Below
MULTIPLE CHOICE
| A. | It acts as a myocardial depressant by inhibiting sodium ion movement. |
| B. | It prolongs the duration of the electrical stimulation on cells and the refractory time between electrical impulses. |
| C. | It acts as a beta-adrenergic agent. |
| D. | It slows the rate of electrical conduction and prolongs the time between contractions. |
ANS: D
| Feedback | |
| A | Class I antidysrhythmic drugs act as a myocardial depressant by inhibiting sodium ion movement. |
| B | Class IV antidysrhythmic drugs prolong the duration of the electrical stimulation on cells and the refractory time between electrical impulses. |
| C | Class II antidysrhythmic drugs act as beta-adrenergic agents. |
| D | Class III agents slow the rate of electrical conduction and prolong the time between contractions. |
DIF: Cognitive Level: Comprehension REF: 384
TOP: Nursing Process Step: Assessment
MSC: NCLEX Client Needs Category: Physiological Integrity
| A. | 10 |
| B. | 25 |
| C. | 50 |
| D. | 75 |
ANS: D
| Feedback | |
| A | 10 mg is too low for a patient of this weight. |
| B | 25 mg is too low for a patient of this weight. |
| C | 50 mg is too low for a patient of this weight. |
| D | The initial lidocaine bolus is 1 to 1.5 mg/kg, decreased by half in older adults, patients with hepatic disease, and patients with heart failure. |
DIF: Cognitive Level: Application REF: 389
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
| A. | Discontinue the medication immediately. |
| B. | Decrease the medication dosage for 1 week, and then resume the original order. |
| C. | Change positions slowly. |
| D. | Increase the dosage per health care provider directions. |
ANS: C
| Feedback | |
| A | Medication should be discontinued only for serious adverse effects and with the consent of the health care provider. |
| B | Changes in dose should be done only with the consent of the health care provider. |
| C | Many adverse effects are dose-related and resolve with reducing the dosage or discontinuing therapy. Patients should be taught to rise slowly from a supine or sitting position and sit or lie down if feeling faint. |
| D | Increasing the dose will likely increase the symptoms. |
DIF: Cognitive Level: Application REF: 393
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Safe, Effective Care Environment
| A. | Disopyramide (Norpace) |
| B. | Flecainide (Tambocor) |
| C. | Lidocaine (Xylocaine) |
| D. | Mexiletine (Mexitil) |
ANS: A
| Feedback | |
| A | Disopyramide is used to treat atrial fibrillation. |
| B | Flecainide is not used to treat atrial fibrillation. |
| C | Lidocaine is not used to treat atrial fibrillation. |
| D | Mexiletine is not used to treat atrial fibrillation. |
DIF: Cognitive Level: Application REF: 386
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
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