Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
A. Hematocrit 45%
Hematocrit 45% is not the correct data. Hematocrit is the percentage of red blood cells in the blood. The normal range for hematocrit is 37% to 47% for women and 42% to 52% for men. Hematocrit 45% is within the normal range and does not indicate any abnormality related to heparin therapy. Heparin does not affect the production or destruction of red blood cells.
B. Platelets 74,000/mm3
Platelets 74,000/mm3 is the correct data. Platelets are the blood cells that are responsible for clotting and preventing bleeding. The normal range for platelets is 150,000 to 400,000/mm3. Platelets 74,000/mm3 is below the normal range and indicates thrombocytopenia, which is a low platelet count. Thrombocytopenia is a serious complication of heparin therapy that can cause bleeding, bruising, and petechiae. The nurse should report this finding to the provider immediately and stop the heparin infusion.
C. Partial thromboplastin time (PTT) 65 seconds
Partial thromboplastin time (PTT) 65 seconds is not the correct data. PTT is a blood test that measures the time it takes for the blood to clot. The normal range for PTT is 25 to 35 seconds. PTT 65 seconds is above the normal range and indicates that the blood is taking longer to clot. This is an expected effect of heparin therapy, as heparin is an anticoagulant that inhibits the formation of blood clots. The nurse should monitor the PTT and adjust the heparin dose according to the provider's orders and the protocol.
D. White blood cell count 8,000/mm3
White blood cell count 8,000/mm3 is not the correct data. White blood cells are the blood cells that are involved in the immune system and fight infections. The normal range for white blood cells is 4,500 to 11,000/mm3. White blood cell count 8,000/mm3 is within the normal range and does not indicate any abnormality related to heparin therapy. Heparin does not affect the production or function of white blood cells.
This question is an excerpt from Nurse Dive's nursing test bank - Ati Pharmacology Proctored Exam 2. Take the full exam now
Full Explanation
Choice A reason: Hematocrit 45% is not the correct data. Hematocrit is the percentage of red blood cells in the blood. The normal range for hematocrit is 37% to 47% for women and 42% to 52% for men. Hematocrit 45% is within the normal range and does not indicate any abnormality related to heparin therapy. Heparin does not affect the production or destruction of red blood cells.
Choice B reason: Platelets 74,000/mm3 is the correct data. Platelets are the blood cells that are responsible for clotting and preventing bleeding. The normal range for platelets is 150,000 to 400,000/mm3. Platelets 74,000/mm3 is below the normal range and indicates thrombocytopenia, which is a low platelet count. Thrombocytopenia is a serious complication of heparin therapy that can cause bleeding, bruising, and petechiae. The nurse should report this finding to the provider immediately and stop the heparin infusion.
Choice C reason: Partial thromboplastin time (PTT) 65 seconds is not the correct data. PTT is a blood test that measures the time it takes for the blood to clot. The normal range for PTT is 25 to 35 seconds. PTT 65 seconds is above the normal range and indicates that the blood is taking longer to clot. This is an expected effect of heparin therapy, as heparin is an anticoagulant that inhibits the formation of blood clots. The nurse should monitor the PTT and adjust the heparin dose according to the provider's orders and the protocol.
Choice D reason: White blood cell count 8,000/mm3 is not the correct data. White blood cells are the blood cells that are involved in the immune system and fight infections. The normal range for white blood cells is 4,500 to 11,000/mm3. White blood cell count 8,000/mm3 is within the normal range and does not indicate any abnormality related to heparin therapy. Heparin does not affect the production or function of white blood cells.
Similar Questions
A nurse is providing discharge teaching for a client who has a new prescription for warfarin. Which of the following instructions should the nurse include in the teaching?
A. Use an electric razor while on this medication.
Using an electric razor while on warfarin is the correct instruction. Warfarin is an anticoagulant that inhibits the formation of blood clots and prolongs the bleeding time. Using an electric razor can reduce the risk of cuts and bleeding while shaving. The client should avoid using sharp objects or instruments that can cause injury or trauma.
B. If a dose of the medication is missed, double the dose at the next scheduled time.
Doubling the dose of warfarin if a dose is missed is not the correct instruction. This is a dangerous and potentially fatal advice, as it can cause overdose and severe bleeding. The client should take the missed dose as soon as possible, unless it is close to the next scheduled dose, in which case the client should skip the missed dose and resume the regular dosing schedule. The client should never take extra doses or change the dose without consulting the provider.
C. Mild nosebleeds are common during initial treatment.
Mild nosebleeds being common during initial treatment is not the correct instruction. This is a false and misleading statement, as nosebleeds are not a normal or expected side effect of warfarin therapy. Nosebleeds can indicate bleeding problems or complications, such as thrombocytopenia, which is a low platelet count. The client should report any nosebleeds or other signs of bleeding, such as bruising, petechiae, hematuria, or melena, to the provider immediately.
D. Increase fiber intake to reduce the adverse effect of constipation.
Increasing fiber intake to reduce the adverse effect of constipation is not the correct instruction. This is an irrelevant and unnecessary recommendation, as constipation is not a common or serious adverse effect of warfarin therapy. Constipation can be caused by many factors, such as diet, hydration, activity, or medication. The client should maintain a balanced and consistent diet, drink plenty of fluids, and exercise regularly to prevent constipation. The client should also avoid foods that are high in vitamin K, such as green leafy vegetables, as they can interfere with the effect of warfarin.
Full Explanation
Choice A reason: Using an electric razor while on warfarin is the correct instruction. Warfarin is an anticoagulant that inhibits the formation of blood clots and prolongs the bleeding time. Using an electric razor can reduce the risk of cuts and bleeding while shaving. The client should avoid using sharp objects or instruments that can cause injury or trauma.
Choice B reason: Doubling the dose of warfarin if a dose is missed is not the correct instruction. This is a dangerous and potentially fatal advice, as it can cause overdose and severe bleeding. The client should take the missed dose as soon as possible, unless it is close to the next scheduled dose, in which case the client should skip the missed dose and resume the regular dosing schedule. The client should never take extra doses or change the dose without consulting the provider.
Choice C reason: Mild nosebleeds being common during initial treatment is not the correct instruction. This is a false and misleading statement, as nosebleeds are not a normal or expected side effect of warfarin therapy. Nosebleeds can indicate bleeding problems or complications, such as thrombocytopenia, which is a low platelet count. The client should report any nosebleeds or other signs of bleeding, such as bruising, petechiae, hematuria, or melena, to the provider immediately.
Choice D reason: Increasing fiber intake to reduce the adverse effect of constipation is not the correct instruction. This is an irrelevant and unnecessary recommendation, as constipation is not a common or serious adverse effect of warfarin therapy. Constipation can be caused by many factors, such as diet, hydration, activity, or medication. The client should maintain a balanced and consistent diet, drink plenty of fluids, and exercise regularly to prevent constipation. The client should also avoid foods that are high in vitamin K, such as green leafy vegetables, as they can interfere with the effect of warfarin.
A nurse is completing a medical interview with a client who has elevated cholesterol levels and takes warfarin. The nurse should recognize that which of the following actions by the client can potentiate the effects of warfarin?
A. The client follows a low-fat diet to reduce cholesterol.
Choice A: The client follows a low-fat diet to reduce cholesterol Following a low-fat diet to reduce cholesterol does not have a significant impact on the effects of warfarin. While diet can influence overall health and cholesterol levels, it does not directly interact with warfarin’s anticoagulant properties.
B. The client drinks a glass of grapefruit juice every day.
Choice B: The client drinks a glass of grapefruit juice every day Grapefruit juice is known to interact with various medications by inhibiting the cytochrome P450 enzymes, particularly CYP3A4. However, grapefruit juice does not significantly affect warfarin metabolism. It is more commonly associated with interactions with statins and other medications.
C. The client sprinkles flax seeds on food 1 hr before taking the anticoagulant.
Choice C: The client sprinkles flax seeds on food 1 hr before taking the anticoagulant Flax seeds are rich in omega-3 fatty acids and fiber, which can be beneficial for heart health. However, there is no strong evidence to suggest that flax seeds significantly potentiate the effects of warfarin. They do not have a direct interaction with the anticoagulant properties of warfarin.
D. The client uses garlic to lower cholesterol levels.
Choice D: The client uses garlic to lower cholesterol levels Garlic is known to have antiplatelet properties, which can enhance the anticoagulant effects of warfarin. This can increase the risk of bleeding in clients taking warfarin. Garlic can interfere with the blood clotting process, making it a significant factor to consider when managing a client on warfarin.
Full Explanation
The correct answer is: d. The client uses garlic to lower cholesterol levels.
Choice A: The client follows a low-fat diet to reduce cholesterol
Following a low-fat diet to reduce cholesterol does not have a significant impact on the effects of warfarin. While diet can influence overall health and cholesterol levels, it does not directly interact with warfarin’s anticoagulant properties.
Choice B: The client drinks a glass of grapefruit juice every day
Grapefruit juice is known to interact with various medications by inhibiting the cytochrome P450 enzymes, particularly CYP3A4. However, grapefruit juice does not significantly affect warfarin metabolism. It is more commonly associated with interactions with statins and other medications.
Choice C: The client sprinkles flax seeds on food 1 hr before taking the anticoagulant
Flax seeds are rich in omega-3 fatty acids and fiber, which can be beneficial for heart health. However, there is no strong evidence to suggest that flax seeds significantly potentiate the effects of warfarin. They do not have a direct interaction with the anticoagulant properties of warfarin.
Choice D: The client uses garlic to lower cholesterol levels
Garlic is known to have antiplatelet properties, which can enhance the anticoagulant effects of warfarin. This can increase the risk of bleeding in clients taking warfarin. Garlic can interfere with the blood clotting process, making it a significant factor to consider when managing a client on warfarin.
A nurse is teaching a client who takes warfarin daily. Which of the following statements by the client indicates a need for further teaching?
A. I eat a green salad every night with dinner.
Eating a green salad every night with dinner is not the statement that indicates a need for further teaching. This is a consistent and balanced dietary choice for the client, as long as the amount of vitamin K in the salad is not excessive or variable. Vitamin K is a nutrient that helps the blood to clot and can interfere with the action of warfarin, which is an anticoagulant that inhibits the formation of blood clots. The client should avoid sudden changes in their intake of vitamin K and inform the provider of any dietary modifications.
B. I take this medication at the same time each day.
Taking this medication at the same time each day is not the statement that indicates a need for further teaching. This is a correct and important instruction for the client, as it helps to maintain a steady and effective level of warfarin in the blood. Warfarin has a narrow therapeutic range and requires frequent monitoring and dose adjustment. The client should take the medication as prescribed and avoid missing or skipping doses.
C. I have started taking ginger root to treat my joint stiffness.
Starting to take ginger root to treat joint stiffness is the statement that indicates a need for further teaching. This is a risky and potentially harmful herbal supplement for the client, as it can interact with warfarin and increase its anticoagulant effect. Ginger root has antiplatelet and fibrinolytic properties, which can inhibit the formation of blood clots and enhance the breakdown of fibrin, a protein that stabilizes blood clots. Taking ginger root with warfarin can increase the risk of bleeding and bruising and alter the international normalized ratio (INR), which is a measure of the blood's clotting ability. The client should avoid taking ginger root and other herbal supplements without consulting the provider.
D. I had my INR checked three weeks ago.
Having the INR checked three weeks ago is not the statement that indicates a need for further teaching. This is a reasonable and appropriate frequency for the client, depending on their stability and response to warfarin therapy. The INR is a blood test that measures the time it takes for the blood to clot and indicates the effectiveness of warfarin. The target INR range for most clients is 2 to 3, but it may vary depending on the indication and the risk of bleeding. The client should have their INR checked regularly and follow the provider's orders and the protocol for dose adjustment.
Full Explanation
Choice A reason: Eating a green salad every night with dinner is not the statement that indicates a need for further teaching. This is a consistent and balanced dietary choice for the client, as long as the amount of vitamin K in the salad is not excessive or variable. Vitamin K is a nutrient that helps the blood to clot and can interfere with the action of warfarin, which is an anticoagulant that inhibits the formation of blood clots. The client should avoid sudden changes in their intake of vitamin K and inform the provider of any dietary modifications.
Choice B reason: Taking this medication at the same time each day is not the statement that indicates a need for further teaching. This is a correct and important instruction for the client, as it helps to maintain a steady and effective level of warfarin in the blood. Warfarin has a narrow therapeutic range and requires frequent monitoring and dose adjustment. The client should take the medication as prescribed and avoid missing or skipping doses.
Choice C reason: Starting to take ginger root to treat joint stiffness is the statement that indicates a need for further teaching. This is a risky and potentially harmful herbal supplement for the client, as it can interact with warfarin and increase its anticoagulant effect. Ginger root has antiplatelet and fibrinolytic properties, which can inhibit the formation of blood clots and enhance the breakdown of fibrin, a protein that stabilizes blood clots. Taking ginger root with warfarin can increase the risk of bleeding and bruising and alter the international normalized ratio (INR), which is a measure of the blood's clotting ability. The client should avoid taking ginger root and other herbal supplements without consulting the provider.
Choice D reason: Having the INR checked three weeks ago is not the statement that indicates a need for further teaching. This is a reasonable and appropriate frequency for the client, depending on their stability and response to warfarin therapy. The INR is a blood test that measures the time it takes for the blood to clot and indicates the effectiveness of warfarin. The target INR range for most clients is 2 to 3, but it may vary depending on the indication and the risk of bleeding. The client should have their INR checked regularly and follow the provider's orders and the protocol for dose adjustment.