Nokea
A client is being discharged from the hospital with a prescription for clopidogrel. The nurse would instruct the client about which of the following as a possible adverse reaction? Select all that apply.
- A. Skin rash
- B. Bleeding
- C. Heart palpitations
- D. Nausea
- E. Constipation
Correct Answer: A,B,C,E
Rationale: The most common adverse reactions associated with clopidogrel are skin rash, dizziness, bleeding, palpitations, and constipation.
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A client taking warfarin asks the nurse about using herbal remedies. Which of the following would the nurse instruct the client to avoid? Select all that apply.
- A. Chamomile
- B. St. Johns wort
- C. Ginkgo biloba
- D. Ginger
- E. Ginseng
Correct Answer: A,B,C,D,E
Rationale: Warfarin has the potential to interact with many herbal remedies, such as chamomile, St. John's wort, ginkgo biloba, ginger, and ginseng, which may increase the risk of bleeding.
Which of the following may be ordered periodically during therapy with anticoagulants? Select all that apply.
- A. Urinalysis
- B. Platelet count
- C. Blood count
- D. Stool analysis
- E. Ultrasound
Correct Answer: B,C,D
Rationale: A complete blood count, platelet count, and stool analysis for occult blood may be ordered periodically throughout anticoagulant therapy.
After teaching a group of nursing students about heparins, the instructor determines that the teaching was successful when the students identify which of the following as an example of a low-molecular-weight heparin (LMWH)? Select all that apply.
- A. Dalteparin
- B. Streptokinase
- C. Enoxaparin
- D. Warfarin
- E. Tinzaparin
Correct Answer: A,C,E
Rationale: Dalteparin, enoxaparin, and tinzaparin are all examples of LMWHs. Streptokinase is a thrombolytic; warfarin is an oral anticoagulant.
When describing anticoagulants to a client, which of the following would the nurse expect to include? Select all that apply.
- A. Anticoagulants prevent formation of a thrombus.
- B. Anticoagulants prevent extension of a thrombus.
- C. Anticoagulants dissolve existing thrombi.
- D. Anticoagulants thin the blood.
- E. Anticoagulants can reverse the damage caused by a thrombus.
Correct Answer: A,B
Rationale: Anticoagulants can prevent the formation and extension of a thrombus but have no direct effect on an existing thrombus and do not reverse any of the damage from that thrombus. Although clients often refer to anticoagulants as blood thinners, they do not actually thin the blood.
A nurse is caring for a client prescribed warfarin. The nurse would instruct the client that which of the following foods are high in vitamin K?
- A. Dairy products
- B. Root vegetables
- C. Green leafy vegetables
- D. Fruits and cereals
Correct Answer: C
Rationale: The nurse should inform the client that green leafy vegetables are high in vitamin K, which can affect warfarin's efficacy.