Nokea
The nurse instructs a client receiving warfarin about the importance of consistent intake of dietary vitamin K to decrease fluctuations in PT/INR. The nurse determines that the client understands the instructions when he identifies which foods as containing vitamin K? Select all that apply.
- A. Broccoli
- B. Cauliflower
- C. Fish
- D. Yogurt
- E. Chicken
Correct Answer: A,B,C,D
Rationale: Foods high in vitamin K include leafy green vegetables, beans, broccoli, cabbage, cauliflower, cheese, fish, and yogurt.
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A nurse is caring for a client receiving the anticoagulant drug warfarin. Which assessment would be most appropriate before administering the drug?
- A. Observe for signs of thrombus formation.
- B. Assess prothrombin time (PT) and INR.
- C. Assess for signs of bleeding.
- D. Monitor for hypersensitivity reaction.
Correct Answer: B
Rationale: The nurse should assess the prothrombin time (PT) and INR before administering the anticoagulant drug warfarin to the client.
When reviewing the medical records of several clients, the nurse understands that the use of anticoagulants is contraindicated in clients with which of the following medical conditions? Select all that apply.
- A. Leukemia
- B. Hypotension
- C. Atrial fibrillation
- D. GI ulcers
- E. Tuberculosis
Correct Answer: A,D,E
Rationale: Anticoagulants are contraindicated in clients with known sensitivity to the drug, active bleeding, hemorrhagic disease, tuberculosis, leukemia, uncontrolled hypertension, GI ulcers, recent eye or CNS surgery, aneurysms, and severe renal and hepatic disease and during pregnancy and lactation.
A client with thrombotic stroke is administered ticlopidine. The nurse would assess the client for which of the following?
- A. Dyspepsia
- B. Dyspnea
- C. Hematoma
- D. Bradycardia
Correct Answer: A
Rationale: The nurse should monitor for dyspepsia in the client who has been administered ticlopidine. Hematoma is an adverse reaction to heparin. Dyspnea is an adverse reaction to protamine sulfate and treprostinil. Bradycardia is an adverse reaction to protamine sulfate.
A client is prescribed warfarin. The client also takes a diuretic for the treatment of cardiac problems. The nurse would anticipate which of the following?
- A. Decreased effectiveness of the anticoagulant
- B. Increased effectiveness of the diuretic
- C. Increased absorption of the anticoagulant
- D. Increased absorption of the diuretic
Correct Answer: A
Rationale: The nurse should monitor for decreased effectiveness of warfarin as an effect of the interaction between the anticoagulant and the diuretic.
A female client is receiving an anticoagulant to prevent the formation and extension of blood clots. What instruction should the nurse include in the teaching plan for the client?
- A. Avoid caffeinated drinks.
- B. Take the drug on an empty stomach.
- C. Use a reliable contraceptive.
- D. Take the drug with a glass of milk.
Correct Answer: C
Rationale: The nurse should instruct the female client to use a reliable contraceptive to prevent pregnancy, as anticoagulants can pose risks during pregnancy.