Which drug class is capable of dissolving blood clots?
Salicylates.
Antiplatelets.
Anticoagulants.
Thrombolytic agents.
The Correct Answer is D
Thrombolytic agents are a classification of drugs that dissolve blood clots by activating the enzyme plasmin, which breaks down the proteins (fibrins) that form clots. They are used for serious conditions, such as stroke, pulmonary embolism, or heart attack when the blood flow needs to be restored quickly.
Choice A is wrong because salicylates are anti-inflammatory drugs that inhibit the synthesis of prostaglandins, which are involved in inflammation and pain. They also have antiplatelet effects, but they do not dissolve existing clots.
Choice B is wrong because antiplatelets are drugs that prevent platelets from sticking together and forming clots. They are used to prevent clotting in conditions such as coronary artery disease, stroke, or peripheral arterial disease. They do not dissolve existing clots either.
Choice C is wrong because anticoagulants are drugs that prevent clots from forming by interfering with the clotting factors that are normally present in the blood.
They are used to treat or prevent conditions such as deep vein thrombosis, pulmonary embolism, or atrial fibrillation. They do not dissolve existing clots.
Normal ranges for clotting factors vary depending on the laboratory and the method used, but some common values are:
• Prothrombin time (PT): 11 to 13 seconds
• International normalized ratio (INR): 0.8 to 1.2
• Activated partial thromboplastin time (aPTT): 25 to 35 seconds
• Fibrinogen: 200 to 400 mg/dL
• D-dimer: less than 0.5 mcg/mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Listeriosis is a foodborne illness that can have severe consequences during pregnancy. To minimize the risk of listeriosis, a pregnant client should avoid certain foods that are more likely to be contaminated with the bacteria Listeria. The correct statement that indicates an understanding of the teaching is:
C) "I can eat grilled chicken on a bun at lunchtime."
Grilled chicken is a safe option, and as long as it's properly cooked, it's a suitable choice during pregnancy. The other options are not recommended during pregnancy:
A) Soft cheeses, like Brie or feta, can carry a risk of Listeria contamination, so they should be avoided.
B) Seafood salad from the grocery store may not be safe as it could contain seafood that's been sitting at improper temperatures, which can increase the risk of foodborne illness.
D) Hot dogs can also be a risk as they are often not served steaming hot, which is necessary to kill any potential Listeria contamination.
Correct Answer is D
Explanation
Thiazide diuretics are sulfa-containing drugs and can cause allergic reactions in patients who are sensitive to sulfa compounds.These reactions can include headaches, rash, hives, swelling of the mouth and lips, wheezing or trouble breathing, asthma attack, and anaphylaxis.
Choice A is wrong because iodine is not a component of thiazide diuretics and is not related to sulfa allergy.
Choice B is wrong because latex is not a component of thiazide diuretics and is not related to sulfa allergy.
Choice C is wrong because shellfish is not a component of thiazide diuretics and is not related to sulfa allergy.
Shellfish allergy is usually caused by a protein called tropomyosin, not by iodine or sulfa compounds.
Thiazide diuretics are drugs that inhibit the reabsorption of sodium and water in the distal convoluted tubule of the kidney, leading to increased urine output.They are used to treat hypertension, edema, heart failure, and some kidney diseases.Some examples of thiazide diuretics are hydrochlorothiazide, chlorthalidone, and indapamide.
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