The client diagnosed with deep vein thrombosis asks the nurse, "How does heparin work to help with my blood clot?" Which response is most accurate? "Heparin:
makes the blood less thick and easier to flow."
does not thin the blood: it prevents new clots from forming."
decreases the number of platelets so the blood clots more slowly."
dissolves the clot and decreases the formation of platelets."
The Correct Answer is B
A. Heparin does not actually "thin" the blood in the sense of reducing viscosity. Instead, it works by inhibiting certain factors in the coagulation cascade, preventing clot formation. Thus, this response does not accurately describe how heparin functions.
B. Heparin works by activating antithrombin III, which inhibits thrombin and factor Xa, thereby preventing the formation of new clots. It does not dissolve existing clots but helps to prevent the enlargement of existing ones and the formation of new clots.
C. Heparin does not decrease the number of platelets; rather, it interferes with the clotting process by inhibiting specific clotting factors. Platelets may still be present, but their ability to form clots is inhibited by the action of heparin.
D. Heparin does not dissolve existing clots; that function is typically performed by thrombolytic agents. Heparin primarily prevents new clot formation and the extension of existing clots. Additionally, it does not decrease platelet formation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
This timing allows for 30 minutes after administration. Since insulin lispro starts working in about 15 minutes, having breakfast at this time ensures that the client’s blood sugar is managed effectively without risking hypoglycemia.
Correct Answer is ["B","C"]
Explanation
A. While maintaining adequate hydration is important for overall health and can help the kidneys function properly, this statement alone does not capture the full scope of kidney-related issues associated with diabetes, such as diabetic nephropathy. It’s important to emphasize regular monitoring of kidney function through lab tests (e.g., microalbuminuria) as part of diabetes management.
B. People with diabetes are at increased risk for eye complications such as diabetic retinopathy, cataracts, and glaucoma. Regular eye exams are essential for early detection and management of these conditions, making this information critical for a client with diabetes.
C. Many sources recommend at least annual foot exams, but those with neuropathy or previous foot problems may need more frequent evaluations (every 3 to 6 months). This statement is generally accurate but should be tailored to the individual's risk factors.
D. Regular physical activity is generally recommended for individuals with diabetes as it improves insulin sensitivity, helping to manage blood glucose levels. While extreme exercise without proper management can lead to complications, stating that excessive exercise increases insulin resistance is misleading. The key is to balance exercise with proper nutrition and medication.
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