ATI RN
ATI Pharmacology Test Bank
1. A client with deep vein thrombosis has been on heparin continuous infusion for 5 days. The provider prescribes warfarin PO without discontinuing the heparin. The client asks the nurse why both anticoagulants are necessary. Which of the following statements should the nurse make?
- A. Warfarin takes several days to work, so the IV heparin will be used until the warfarin reaches a therapeutic level.
- B. I will call the provider to get a prescription for discontinuing the IV heparin today.
- C. Both heparin and warfarin work together to dissolve the clots.
- D. The IV heparin increases the effects of the warfarin and decreases the length of your hospital stay.
Correct answer: A
Rationale: The correct answer is A because warfarin takes several days to reach a therapeutic level and exert its full anticoagulant effect. During this time, the IV heparin is continued to prevent clotting until the warfarin is effective. Both medications are used together temporarily for this reason. Discontinuing heparin prematurely can increase the risk of clot formation. Therefore, the nurse should explain to the client that the IV heparin will be continued until the warfarin reaches a therapeutic level.
2. A client has a new prescription for Hydrochlorothiazide. Which of the following information should the nurse include?
- A. Take the medication with food.
- B. Plan to take the medication at bedtime.
- C. Expect increased swelling of the ankles.
- D. Limit fluid intake in the morning.
Correct answer: A
Rationale: When educating a client about taking Hydrochlorothiazide, the nurse should advise taking the medication with food or after meals to prevent gastrointestinal upset. This medication is a diuretic, so it is important to maintain adequate fluid intake throughout the day to prevent dehydration. Taking it at bedtime is not necessary, and increased swelling of the ankles is not an expected side effect of this medication. Limiting fluid intake in the morning is not necessary and could lead to dehydration, which is a potential side effect of this diuretic.
3. A client has a new prescription for Verapamil. Which of the following instructions should the nurse include?
- A. Take this medication at bedtime.
- B. Monitor for signs of hyperglycemia.
- C. Avoid drinking grapefruit juice.
- D. Increase your intake of potassium-rich foods.
Correct answer: C
Rationale: The correct answer is to instruct the client to avoid drinking grapefruit juice. Grapefruit juice can inhibit the metabolism of Verapamil, leading to increased blood levels of the medication, which can potentiate its effects, potentially causing adverse reactions like hypotension and bradycardia. Choices A, B, and D are incorrect. Taking Verapamil at bedtime is not a specific instruction related to its metabolism or side effects. Monitoring for signs of hyperglycemia is not directly related to Verapamil use. Increasing potassium-rich foods intake is not necessary with Verapamil and could potentially lead to hyperkalemia in some cases.
4. A client with a prescription for Vasopressin to treat Diabetes Insipidus is being taught by a healthcare professional. Which of the following client statements indicates an understanding of the teaching?
- A. I will reduce my sodium intake.
- B. I should increase my water intake.
- C. I will notify my doctor if I develop chest pain.
- D. I should take this medication with food.
Correct answer: C
Rationale: The correct answer is C because Vasopressin can cause vasoconstriction, potentially leading to chest pain. It is crucial for the client to inform their healthcare provider immediately if they experience chest pain while on Vasopressin therapy to address any potential cardiovascular complications promptly. Choices A, B, and D are incorrect. While maintaining adequate hydration is essential with Vasopressin therapy due to its antidiuretic effect, increasing water intake is not the most critical aspect to monitor. Reducing sodium intake may be beneficial in some cases but is not directly related to the potential side effects of Vasopressin. Taking the medication with food is not a specific instruction for Vasopressin administration.
5. A healthcare professional is educating a client who has a new prescription for Vitamin B12 injections. Which of the following statements should the healthcare professional include?
- A. Take the medication with a full glass of water.
- B. You will need to take this medication for the rest of your life.
- C. Expect a metallic taste in your mouth.
- D. Avoid consuming dairy products.
Correct answer: B
Rationale: The correct answer is B: 'You will need to take this medication for the rest of your life.' Clients with conditions like pernicious anemia or other causes of vitamin B12 deficiency may require lifelong cyanocobalamin supplementation to prevent deficiency. This is because their bodies are unable to absorb B12 from dietary sources adequately, necessitating ongoing injections to maintain optimal B12 levels. Choices A, C, and D are incorrect. A full glass of water is not necessary for Vitamin B12 injections. Metallic taste in the mouth is not a common side effect of Vitamin B12 injections, and there is no need to avoid consuming dairy products specifically in relation to Vitamin B12 injections.
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