NURS 180 CARDIAC SYSTEM QUESTIONS AND
ANSWERS WITH VERIFIED SOLUTIONS 100%
CORRECT
What to check when giving a patient a beta-adrenergic blocker (like metoprolol)? -
ANSWER HR and BP
**Because the medication is a negative chronotropic and negative inotropic
medication
If VS are low the nurse should? - ANSWER hold the medication and notify the
MD
Beta blockers are contraindicated for what patients? - ANSWER asthma
patients
What is the best way to monitor the effectiveness of diuretic therapy? -
ANSWER
Digoxin (lanoxin) is a ________ ______. - ANSWER cardiac glycoside
Digoxin safety range - ANSWER Very narrow, so Digoxin serum levels are
closely monitored when taking the medication.
Digoxin levels greater than what are too high? What can happen? - ANSWER
1.8 mg/dL
, Digoxin toxicity
Why is digoxin toxicity dangerous? - ANSWER The medication is a negative
chronotropic medication (which decreases the HR).
Digoxin is what kind of inotrope? - ANSWER positive, which increases the
myocardial contractility which makes the heart a more effective pump.
Signs of Digoxin Toxicity - ANSWER n/v
anorexia
visual disturbances (seeing halos)
fatigue
**use Digibind to treat toxic levels.
**hypokalemia can increase chances of toxicity
What do you do before administering Digoxin? - ANSWER check apical pulse
for one minute prior to administering digoxin.
*If HR is below 60 hold the medication and inform the MD.
What does Digoxin do to the heart? - ANSWER suppress electrical activity
within the heart and lower heart rate.
ANSWERS WITH VERIFIED SOLUTIONS 100%
CORRECT
What to check when giving a patient a beta-adrenergic blocker (like metoprolol)? -
ANSWER HR and BP
**Because the medication is a negative chronotropic and negative inotropic
medication
If VS are low the nurse should? - ANSWER hold the medication and notify the
MD
Beta blockers are contraindicated for what patients? - ANSWER asthma
patients
What is the best way to monitor the effectiveness of diuretic therapy? -
ANSWER
Digoxin (lanoxin) is a ________ ______. - ANSWER cardiac glycoside
Digoxin safety range - ANSWER Very narrow, so Digoxin serum levels are
closely monitored when taking the medication.
Digoxin levels greater than what are too high? What can happen? - ANSWER
1.8 mg/dL
, Digoxin toxicity
Why is digoxin toxicity dangerous? - ANSWER The medication is a negative
chronotropic medication (which decreases the HR).
Digoxin is what kind of inotrope? - ANSWER positive, which increases the
myocardial contractility which makes the heart a more effective pump.
Signs of Digoxin Toxicity - ANSWER n/v
anorexia
visual disturbances (seeing halos)
fatigue
**use Digibind to treat toxic levels.
**hypokalemia can increase chances of toxicity
What do you do before administering Digoxin? - ANSWER check apical pulse
for one minute prior to administering digoxin.
*If HR is below 60 hold the medication and inform the MD.
What does Digoxin do to the heart? - ANSWER suppress electrical activity
within the heart and lower heart rate.
