A nurse is assessing a client prior to administering atenolol. Which of the following findings should prompt the nurse to withhold the medication?
Blood pressure 160/94 mm Hg
Heart rate 46/min
Oxygen saturation 95%
Respiratory rate 18/min
The Correct Answer is B
Choice A reason: Blood pressure 160/94 mm Hg is not a reason to withhold atenolol, as it is a beta-blocker that lowers blood pressure and reduces the workload of the heart. Atenolol is indicated for hypertension, angina, and arrhythmias. The nurse should administer atenolol as prescribed, unless the blood pressure is too low (hypotension).
Choice B reason: Heart rate 46/min is a reason to withhold atenolol, as it is a sign of bradycardia (slow heart rate), which can be a side effect of atenolol. Atenolol can decrease the heart rate by blocking the beta-1 receptors in the heart. The nurse should withhold atenolol if the heart rate is below 60 beats per minute or above 100 beats per minute, and report the finding to the provider.
Choice C reason: Oxygen saturation 95% is not a reason to withhold atenolol, as it is a normal value that indicates adequate oxygenation of the blood. Atenolol does not affect the oxygen saturation or the respiratory function. The nurse should monitor the oxygen saturation regularly, and report any signs of hypoxia (low oxygen level).
Choice D reason: Respiratory rate 18/min is not a reason to withhold atenolol, as it is a normal value that indicates normal breathing. Atenolol does not affect the respiratory rate or the respiratory function. The nurse should monitor the respiratory rate regularly, and report any signs of dyspnea (difficulty breathing).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A - Catheter Occlusion: This occurs when the catheter is blocked, preventing the flow of fluids or medication. It is usually indicated by difficulty in flushing the catheter or a slow drip rate¹. However, it does not typically cause a gurgling sound.
Choice B - (Catheter migration) is correct because when a central venous catheter (CVC) migrates from its original position, the tip can enter a smaller vein or a different location where turbulence occurs. This may cause the client to hear a gurgling or bubbling sound, especially during infusion or with position changes. Migration can happen due to coughing, movement, or changes in pressure, and it doesn’t necessarily involve the catheter being visibly out of place
Choice C - (Catheter dislodgment) is incorrect because dislodgment typically refers to the catheter being partially pulled out of the insertion site. This would be more likely to cause external signs like visible catheter movement or fluid leakage at the insertion site, rather than internal gurgling sounds. Gurgling is more associated with internal changes in catheter position, as seen with migration.
Choice D - Catheter Rupture: This is a break or tear in the catheter. It can cause serious complications, including infection and embolism. However, a gurgling sound is not a typical symptom of a catheter rupture¹.
Correct Answer is C
Explanation
Choice A reason: "I'll be sure to eat more foods with vitamin K." is not the correct statement. Vitamin K is a nutrient that helps the blood to clot. Warfarin is an anticoagulant that inhibits the action of vitamin K and prevents the formation of blood clots. Eating more foods with vitamin K can counteract the effect of warfarin and increase the risk of thrombosis. The client should maintain a consistent intake of vitamin K and avoid sudden changes in their diet.
Choice B reason: "I'll take aspirin for my headaches." is not the correct statement. Aspirin is a nonsteroidal anti-inflammatory drug (NSAID) that inhibits platelet aggregation and prolongs bleeding time. Taking aspirin with warfarin can increase the risk of bleeding and bruising. The client should avoid taking any NSAIDs without consulting their provider. The client should use acetaminophen or other non-NSAID pain relievers for their headaches.
Choice C reason: "I'll use my electric razor for shaving." is the correct statement. Using an electric razor for shaving can reduce the risk of cuts and bleeding. The client should avoid using sharp objects or instruments that can cause injury or trauma. The client should also use a soft toothbrush and floss gently to prevent bleeding gums.
Choice D reason: "It's okay to have a couple of glasses of wine with dinner each evening." is not the correct statement. Alcohol can interact with warfarin and affect its metabolism and effectiveness. Drinking alcohol with warfarin can either increase or decrease the blood levels of warfarin and alter the international normalized ratio (INR), which is a measure of the blood's clotting ability. The client should limit their alcohol intake and monitor their INR regularly.
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