Applying a Tourniquet to or Drawing Blood from an Arm

question 14

Multiple Choice

Applying a tourniquet to or drawing blood from an arm located on the same side of the body as a recent mastectomy can be harmful to the patient and may produce erroneous test results. The application of a tourniquet as part of such blood collections is discouraged for all of the following reasons except:

• A) may cause a release of harmful cells from the surgical site into the circulation.
• B) interferes with the flow of lymph fluid in the area.
• C) causes increases in the blood level of lymphocytes and waste products in the area.
• D) increases the danger of developing lymphedema in the affected area.

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