Question

you should not obtain a venous blood sample from which of the following
a. a patient that has had a mastectomy with lymph node dissection on that side
b. an arm that has never had an intravenous line inserted
c. an area that has obvious veins protruding
d. all of the responses are correct

Explanation:

• Option A: After a mastectomy with lymph node dissection on a side, there is a risk of lymphedema and infection if blood is drawn from that side.
• Option B: An arm that has never had an intravenous line inserted is a suitable site for venous blood sampling.
• Option C: An area with obvious veins protruding is a good site for venous blood sampling as it is easier to access the vein.

Answer:

A. a patient that has had a mastectomy with lymph node dissection on that side