LAB ACTIVITY 5.1 1. What might happen if the tourniquet is left for more than two minutes? How about if the tourniquet is tied too tight or too close to venipuncture site? 2. Why is collecting blood...

LAB ACTIVITY 5.1

1. What might happen if the tourniquet is left for more than two minutes? How about if the tourniquet is tied too tight or too close to venipuncture site?

2. Why is collecting blood in the foot prohibited for patients with diabetes mellitus

LABORATORY ACTIVITY 5.2

1. Give the advantages and disadvantages of using the “open system” and “closed system” in venipuncture.

2. Why are specimens for bilirubin testing protected from light? Discuss handling procedures for bilirubin samples.

LABORATORY ACTIVITY 5.3

1. What are the consequences if an EDTA tube is filled first before a red top tube?

2. What must be done if an admitted patient refuses to blood extraction?

LABORATORY ACTIVITY 5.4

1. Why should we not label tubes prior to blood collection?

2. Compare and contrast “NPO” from “fasting”.

LABORATORY ACTIVITY 5.5

1. Why must a discard tube should be collected first before an anticoagulated tube when using a “butterfly” to collect blood?

2. What is “EMLA”? Give its purpose.