A capillary puncture should be done rather than a venipuncture in all of the following situations EXCEPT when

A capillary puncture should be done rather than a venipuncture in all of the following situations EXCEPT when



A) a child is less than 1 year old.

B) a light-blue-top tube is needed.

C) the patient has difficult veins

D) the test uses very little blood.



Answer: A light-blue-top is needed.


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