Nokea
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.
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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.
Which assessment would the nurse obtain before administering an anticoagulant to a client with DVT? Select all that apply.
- A. Test for a positive Homans' sign.
- B. Examine extremity for skin temperature.
- C. Assess pain.
- D. Assess blood pressure.
- E. Check for pedal pulse.
Correct Answer: A,B,C,E
Rationale: Preadministration assessment for a client with a DVT should include checking for a pedal pulse, examining the extremity for color and skin temperature, assessing for pain, and checking for a positive Homans' sign.
A nurse is conducting a seminar on thrombosis. What information would the nurse include about the cause of arterial thrombosis?
- A. Decreased blood flow
- B. Injury to the vessel wall
- C. Arrhythmias
- D. Altered blood coagulation
Correct Answer: C
Rationale: The nurse should mention that arterial thrombosis is caused by atherosclerosis and arrhythmias. Decreased blood flow, injury to the vessel wall, and altered blood flow are causes of venous thrombosis.
A nurse is reviewing a journal article about antiplatelet agents. Which of the following would the nurse expect to be discussed? Select all that apply.
- A. Heparin
- B. Warfarin
- C. Abciximab
- D. Anagrelide
- E. Dipyridamole
Correct Answer: C,D,E
Rationale: Abciximab, anagrelide, and dipyridamole are antiplatelet agents. Heparin and warfarin are anticoagulants.
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.