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
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, a 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 a 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 the 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
A vertebroplasty is a procedure that injects cement into a fractured vertebra to help relieve pain and stabilize the spine. The recovery time for this procedure is usually short and the complications are rare.
Therefore, this client is most likely to be stable and ready for early discharge.
Choice A is wrong because a client who is receiving heparin for deep-vein thrombosis (DVT) needs close monitoring of their blood levels and clotting factors. Heparin is a blood thinner that prevents the clots from getting bigger or breaking loose and traveling to the lungs, which can cause a life-threatening condition called pulmonary embolism (PE).
This client is not a good candidate for early discharge.
Choice C is wrong because a client who has cancer and a sealed implant for radiation therapy needs to be isolated in a special room to prevent exposure of others to radiation. A sealed implant is a smallholder that contains a radioactive source that is placed inside or near the tumor to deliver high doses of radiation. This type of internal radiation therapy, also called brachytherapy, can last from several minutes to several days, depending on the type and dose of the radioactive source.
This client is not a good candidate for early discharge.
Choice D is wrong because a client who has COPD and a respiratory rate of 44/min has signs of respiratory distress and possible hypoxemia (low oxygen levels in the blood).
COP
Correct Answer is D
Explanation
The correct answer is d. “Your desire to be an organ donor must be documented in writing.”
Rationale for Choice a:
- Statement:“Your name cannot be removed once you are listed on the organ donor list.”
- Rationale:This statement is incorrect.Individuals have the right to change their minds about organ donation at any time.They can have their names removed from the organ donor list by contacting the appropriate registry or organization.It's essential for nurses to provide accurate information to ensure informed consent and respect for patient autonomy.
Rationale for Choice b:
- Statement:“You must be at least 21 years of age to become an organ donor.”
- Rationale:This statement is also incorrect.The age requirement for organ donation varies by jurisdiction.In many places,individuals under 18 years of age can register as organ donors with parental consent.Nurses should be familiar with local regulations to provide accurate guidance.
Rationale for Choice c:
- Statement:“I cannot be a witness for your consent to donate.”
- Rationale:While it's true that nurses generally cannot act as witnesses for organ donation consent,the focus of the response should be on directing the client to the appropriate channels for documentation.Nurses can play a role in facilitating the process by providing information and resources to clients who express interest in organ donation.
Rationale for Choice d:
- Statement:“Your desire to be an organ donor must be documented in writing.”
- Rationale:This is the correct response.To ensure clarity and legal validity,organ donation preferences must be documented in writing.This documentation can be done through various means,such as registering with an organ donor registry,indicating preferences on a driver's license,or completing an advance directive.Nurses should emphasize the importance of written documentation to protect the client's wishes.
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