Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
13 Cards in this Set
- Front
- Back
|
The management of chronic heart failure includes all of the following classes of medications except a. positive inotropic agents. b. diuretics. c. angiotensin-converting enzyme inhibitors. d. antiarrhythmic agents. |
d
|
|
|
The appropriate dose of digoxin is based on a. age. b. weight. c. lean body mass. d. hepatic enzyme levels. |
c
|
|
|
Digoxin has which of the following actions on the heart? a. Positive inotropic, positive dromotropic, and negative chronotropic b. Positive inotropic, negative dromotropic, and negative chronotropic c. Negative inotropic, positive dromotropic, and positive chronotropic d. Negative inotropic, negative dromotropic, and negative chronotropic |
b
|
|
|
Which of the following electrolyte imbalances is not associated with inducing digoxin toxicity? a. Hyperkalemia b. Hypokalemia c. Hypomagnesaemia d. Hypercalcemia |
a
|
|
|
Which of the following drugs may be used to treat digoxin toxicity? a. Colestipol b. Activated charcoal c. Digoxin immune FAB d. All of the above |
c
|
|
|
In general, the therapeutic margin for digoxin is a. 0.5 to 2.0 ng/mL. b. 0.5 to 20 ng/mL. c. 5 to 20 ng/mL. d. 0.05 to 0.2 ng/mL. |
a
|
|
|
In addition to their inotropic effect, inamrinone and milrinone are used in the treatment of CHF because of their ability to a. increase conductivity through the heart. b. vasodilate. c. vasoconstrict. d. increase heart rate. |
b
|
|
|
Your patient has CHF and is starting a regimen of digoxin. The patient also has a history of Graves disease and has undergone thyroid-ectomy and takes levothyroxine. You have assessed the patient’s thyroid function test results and noted that they are all within normal limits. Because of the status of the patient’s thyroid disease, the dose of digoxin should be a. increased. b. decreased. c. unchanged |
c
|
|
|
Your 88-year-old patient is hospitalized for a fractured hip. The patient has a history of CHF and takes digoxin and furosemide. Before administering medications, you evaluated lab results. You noted a digoxin level of 2.9 ng/mL. You should a. give the medication as directed. b. take an apical pulse and give the medication if the pulse is normal. c. hold the medication and contact the provider. d. question the patient concerning any symptoms, and give the medication unless there are cardiac abnormalities. |
c
|
|
|
Your patient is taking digoxin 0.125 mg QD for CHF. The patient comes to the clinic today and states, “I’ve lost 5 pounds, I can breathe better, and my heart rate is only 70.” What is your assessment of these facts? a. The drug is working well. b. The dosage should be decreased. c. The dosage should be increased. d. Use of the drug should be discontinued. |
a
|
|
|
You are administering digoxin 0.125 mg to your patient. Before administering this drug, you should take the a. radial pulse 30 seconds and multiply by 2. b. apical pulse 15 seconds and multiply by 4. c. carotid pulse 1 full minute. d. apical pulse 1 full minute. |
d
|
|
|
Your patient takes digoxin 0.25 mg QD with furosemide (Lasix) 40 mg QD. This morning the patient reports anorexia and nausea. The patient vomited one time yesterday. What is your best action? a. Contact the physician and obtain an order for a nutritional supplement. b. Contact the physician for an order to keep the patient NPO for 24 hours. c. Contact the physician for an order to obtain serum digoxin and electrolyte levels. d. Contact the physician for an order to obtain a potassium level. |
c
|
|
|
Your patient is being discharged from the hospital with a prescription for digoxin. Which of the following instructions should be omitted from your patient teaching? a. How to take a pulse b. Avoidance of OTC antihistamines c. Keep out of the sunlight d. Do not stop this medication |
c
|
