The nurse is caring for a client who may have an arterial obstruction in her right ulnar artery. Which of the following tests may be used to help determine the patency of this artery?
1. Trendelenburg test
2. Manual compression test
3. Homan's sign
4. Allen's test
4
Rationale 1: This test can be used to evaluate valve competence in the presence of varicosities.
Rationale 2: If varicose veins are present, the nurse can determine the length of the varicose vein and the competency of its valves with the manual compression test.
Rationale 3: The test to elicit a Homan's sign can be used to help determine if the client has a thrombosis.
Rationale 4: The Allen's test is used to evaluate the patency of both the radial and ulnar arteries.
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