A client is taking aspirin (ASA) and asks the nurse how long the anticoagulant effect of a single dose of aspirin can last. The nurse replies:
"The anticoagulant effect of a single dose of aspirin can last for as long as a month."
"The anticoagulant effect of a single dose of aspirin can last for as long as a day."
"The anticoagulant effect of a single dose of aspirin can last for as long as a week."
"The anticoagulant effect of a single dose of aspirin can last for as long as 12 hours."
The Correct Answer is C
A. "The anticoagulant effect of a single dose of aspirin can last for as long as a month." This statement is incorrect. While aspirin has antiplatelet effects that inhibit blood clot formation, its duration of action is not as long as a month. Aspirin irreversibly inhibits the enzyme cyclooxygenase (COX), thereby inhibiting platelet aggregation. However, the effects on platelet function are not permanent, and platelets turnover within a few days, thus the anticoagulant effect of a single dose of aspirin typically lasts for a shorter duration.
B. "The anticoagulant effect of a single dose of aspirin can last for as long as a day." Aspirin's primary effect is on platelets, not directly on overall blood clotting. It inhibits the COX enzyme, reducing the production of thromboxane A2, a chemical that promotes platelet aggregation. The initial inhibition of platelet function is strongest within the first 24 hours after taking aspirin. However, the affected platelets remain dysfunctional for their entire lifespan (around 7-10 days).
C. "The anticoagulant effect of a single dose of aspirin can last for as long as a week." This statement is correct. Aspirin's effect on platelets is due to its irreversible inhibition of the COX enzyme. Platelets have a lifespan of about 7-10 days. Once a platelet is affected by aspirin, it cannot regain its function. As your body continuously produces new platelets, the overall antiplatelet effect gradually diminishes over time.
D. "The anticoagulant effect of a single dose of aspirin can last for as long as 12 hours."
Rationale: This statement is partially correct. The antiplatelet effect of aspirin does not typically last as short as 12 hours. While the peak inhibition of platelet function occurs within hours after administration, the duration of action is longer due to the irreversible inhibition of COX-1. However, stating that it lasts exactly 12 hours may not be entirely accurate for all individuals, as the duration of action can vary depending on factors such as individual metabolism and dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Check with a reputable pharmacist: This option is a good practice, especially when starting any new medication or supplement regimen. Pharmacists are trained to understand drug interactions and potential adverse effects. They can provide valuable information about herbal products, their interactions with prescription medications, and potential allergic reactions. However, it might not be the best way to identify allergic reactions firsthand.
B. Take less than the recommended dose initially: This approach, known as dose titration, can be beneficial for identifying potential adverse reactions, including allergies. By starting with a smaller dose, the client can gauge their body's response to the herbal product. If there's any adverse reaction, it's likely to be less severe than if they took a full dose. This option allows for a controlled introduction to the herbal product. This option allows for a controlled introduction to the herbal product, minimizing the risk of severe adverse reactions while still providing valuable information about the client's tolerance and potential allergies.
C. Use only one herbal preparation at a time: This is a prudent approach because it simplifies the process of identifying the cause of any adverse reactions. If the client is using multiple herbal products simultaneously and experiences a reaction, it can be challenging to determine which product is responsible. Using only one product at a time helps isolate the source of any adverse effects, making it easier to identify allergies or other reactions.
D. Never take with prescription medications: This option is not entirely accurate. While it's essential to be cautious about potential interactions between herbal products and prescription medications, there are instances where they can be safely taken together. However, it's crucial to consult with a healthcare provider or pharmacist to ensure there are no contraindications or adverse effects when combining herbal products with prescription medications.
Correct Answer is D
Explanation
A. Black Cohosh: This herb is more commonly used for menopausal symptoms and not typically associated with immune system benefits.
B. Gingko: Gingko is primarily studied for its potential benefits on memory and cognitive function, not necessarily the immune system.
C. Kava Kava: Kava kava is known for its calming effects and used for anxiety relief, not immune system support.
D. Echinacea: This herb has been widely studied and used for centuries for its potential immune-boosting properties. While research results are somewhat mixed, it's one of the most popular herbs associated with immune support.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.