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ATI PHARM unit 6
chapter questions-meds affecting cardiovascular system
| Question | Answer |
|---|---|
| What is the most common cause of dysrhythmias in clt receiving digoxin? | hypokalemia secondary to use of diuretics. Digoxin works by binding to & inhibiting enzyme Na+K+-ATPase. Potassium and digoxin compete for the same bidnding sites on this enzyme. Digoxin has more opportunity to bind. Leads to increased risk of toxicity. |
| A clt has been diagnosed w/hypertension. Propranolol (Inderal) would be contraindicated in which condition? | Asthma (med is a nonselective beta-adrenergic blocker and blocks both beta1 & beta2 receptors. Blockade of beta2 recceptors in the lungs causes bronchoconstriction) |
| A client is prescribed clonidine (Catapres) orally once a day for hypertension. What statement by the client shows effective teaching? | "I will take the clonidine at bedtime because it may make me drowsy." "I will chew gum or use hard candy to keep my mouth moist."(Clonidine patches are appled every 7 days.) |
| When providing teaching to a client taking verapamil (Calan) for control of dysrhythmias, what should the nurse include? | Increase the amt of dietary fiber and fluid in diet. (CCB'S can cause constipation - AVOID GRAPEFRUIT JUICE) |
| A clt receiving captopril (Capoten) and a spironolactone (Aldactone), a potassium-sparing diuretic, should be monitored for which of the following adverse effects? | Hyperkalemia and Hypotension (ACE inhibitors can lead to hyperkalemia. Using a potassium-sparing diuretic w/an ACE inhibitor can lead to hyperkalemia. |
| Clt teaching to prevent first-dose hypotension should include | Taking the medication at bedtime.(Taking at bedtime helps avoid position changes that exacerbate the symptoms of hypotension.) |
| What statement would indicate further teaching for a patient taking atorvastatin (Lipitor). | I will limit my alcohol intake to 1 or 2 drinks per day.(alcohol avoided to reduce risk of hepatotoxicity) |
| What is correct regarding toxicity associated w/amiodarone? | Lung damage can persist for months after the medication is d/c. (Because of a long half-life, symptoms persist for months after d/c.) |
| Dopamine(intropin) is used to treat shock for which of the follwoing pharmacologic actions? | Vasoconstriction of blood vessels; Renal blood vessel dilation.(Dopamine's used in tx of shock to cause renal blood vessel dilation & vasoconstriction of blood vessels.) |
Created by:
krislynn
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