A nurse in an emergency department is reviewing the medical record of a client who is having an acute myocardial infarction.
Which of the following findings places the client at risk if he receives alteplase?
Family history of malignant hypertension.
Hip arthroplasty 1 week ago.
Chronic obstructive pulmonary disease.
Acute renal failure 6 months ago.
The Correct Answer is B
The correct answer is B. Hip arthroplasty 1 week ago.
Alteplase is a drug that dissolves blood clots by converting plasminogen to plasmin. It can be used for acute ischemic stroke, but it has some contraindications that depend on the indication and the type of administration of the drug. Some common contraindications for alteplase are hypersensitivity, active internal bleeding, history of intracranial hemorrhage, bleeding disorders, and high blood pressure. Other contraindications may vary depending on the specific condition and the time window of treatment. Alteplase can cause serious or fatal bleeding as a side effect.
Choice A is wrong because family history of malignant hypertension is not an absolute contraindication for alteplase, although uncontrolled hypertension (>185 mmHg SBP or >110 mmHg DBP) is.
Choice C is wrong because chronic obstructive pulmonary disease is not a contraindication for alteplase, although it may increase the risk of pulmonary hemorrhage.
Choice D is wrong because acute renal failure 6 months ago is not a contraindication for alteplase, although current use of direct thrombin inhibitors or direct factor Xa inhibitors is.
Normal ranges for blood pressure are <120/80 mmHg for normal, 120-129/<80 mmHg for elevated, 130-139/80-89 mmHg for stage 1 hypertension, and ≥140/≥90 mmHg for stage 2 hypertension.
Normal ranges for platelet count are 150,000 to 450,000 platelets per microliter of blood.
Normal ranges for INR are 0.8 to 1.2 for people who are not taking blood thinners and 2 to 3 for people who are taking warfarin.
Normal ranges for aPTT are 25 to 35 seconds for people who are not taking blood thinners and 46 to 70 seconds for people who are taking heparin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason:
Completing an incident report is not the correct action. An incident report should be completed as part of the hospital's protocol to document the medication error and ensure appropriate follow-up and investigation.
Choice B reason:
Checking the client for indications of bleeding is the correct action to be taken. In this situation, the nurse's first priority should be to assess the client for indications of bleeding, as the client received a significantly higher dose of IV heparin than prescribed. Heparin is an anticoagulant medication used to prevent blood clots, and an overdose can increase the risk of bleeding.
After administering the wrong dose of medication, the nurse's immediate concern is the client's safety and well-being. Checking for signs of bleeding, such as petechiae, ecchymosis, hematomas, bleeding gums, melena (black, tarry stools), haematuria (blood in urine), or any other unusual bleeding, is crucial.
Choice C reason:
Monitor the client's aPTT levels: This is not the correct action to be taken. Monitoring the client's activated partial thromboplastin time (aPTT) levels is essential to assess the client's coagulation status and determine if the overdose of heparin has affected their clotting ability. The healthcare provider may adjust the heparin dosage based on the aPTT levels.
Choice D reason:
Notify the risk manager: This is not the correct action to be taken. The risk manager or appropriate supervisor should be informed about the medication error as soon as possible to initiate a thorough review of the incident and take necessary steps to prevent similar errors in the future.
Correct Answer is A
Explanation
Choice A reason:
"You might experience altered taste sensations" is the correct statement. When providing teaching to a client about to undergo external radiation therapy for cancer, the nurse should include information about potential side effects and what to expect during the treatment. One common side effect of radiation therapy, especially when the treatment is focused on or near the head and neck region, is altered taste sensations. Radiation can affect the taste buds and lead to changes in how foods taste.
Choice B reason:
"Use rubbing alcohol to remove the ink markings. “The statement is incorrect. The ink markings made on the client's skin are used as reference points for the radiation therapy treatment. It is essential not to remove these markings, as they are crucial for accurate positioning during each treatment session. The nurse should instruct the client not to tamper with the markings, and the radiation therapy team will remove them when they are no longer needed.
Choice C reason:
"Wear a binder over the radiation site." The statement is incorrect. Wearing a binder over the radiation site is not a standard practice during external radiation therapy. The client should be instructed to follow the specific guidelines provided by the radiation therapy team regarding clothing and positioning during treatments. The use of binders or other tight clothing over the treatment area may not be recommended, as it can cause discomfort or interfere with the delivery of radiation.
Choice D reason
"Wash your skin thoroughly with a washcloth after each treatment." Is incorrect statement. During radiation therapy, the skin in the treatment area can become sensitive. It is essential for the client to follow the specific instructions provided by the radiation therapy team regarding skin care. Generally, the client should avoid using harsh soaps or scrubbing the skin vigorously. Instead, they should gently cleanse the area with a mild soap or as directed by their healthcare providers.
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