Admin Table of Contents
- 1 What will happen if you mix a specimen too vigorously?
- 2 What would be the system of choice to identify laboratory specimens from an unconscious and identified woman in the emergency room?
- 3 What can happen if you squeeze the patient’s finger too vigorously during a capillary puncture?
- 4 What would be the system of choice to identify laboratory specimens form an unconscious unidentified woman in the emergency room group of answer choices?
What will happen if you mix a specimen too vigorously?
Vigorous mixing of a blood sample can cause hemolysis. Blood collection artifacts, such as increased pressure through a narrow-diameter syringe or when the path of a syringe is blocked by microclots, can lead to hemolysis.
What might happen if the blood is drawn too quickly from a small vein?
If the needle is too large for the vein for which it is intended, it will tear the vein and cause bleeding (haematoma); if the needle is too small, it will damage the blood cells during sampling, and laboratory tests that require whole blood cells, or haemoglobin and free plasma, will be invalid.
What is the purpose of waiting 30 to 60 seconds for the alcohol to dry before needle insertion?
The risk of contaminating blood specimens may be magnified when the phlebotomist does not allow the alcohol to dry for at least 30 seconds before puncturing the vein, a practice that is justified for preventing a prolonged placing of tourniquet and the ensuing risk of hemoconcentration and spurious increase of some …
What would be the system of choice to identify laboratory specimens from an unconscious and identified woman in the emergency room?
What would be the system of choice to identify laboratory specimens from an unconscious, unidentified woman in the emergency room? Use a three-part identification band and labels. A phlebotomist arrives to draw a specimen from an inpatient.
What happens if you shake a blood sample?
Shaking may cause hemolysis and result in specimen rejection. Allow the specimen to clot in an upright position for 30 minutes, then centrifuge for 10-15 minutes at 2500-3000 RPM. Serum must be removed from the clot within 45-60 minutes after collection.
What is the most common complication of venipuncture?
Results: Minor bruising and hematoma were fairly common, involving 12.3% of venipunctures, with minor bruising being the most common reaction. Serious complications were observed in 3.4% of patients. Diaphoresis with hypotension occurred in 2.6%. Syncope occurred in less than 1% of patients.
What can happen if you squeeze the patient’s finger too vigorously during a capillary puncture?
Avoid squeezing the finger or heel too tightly because this dilutes the specimen with tissue fluid (plasma) and increases the probability of haemolysis (60).
Why should we allow the alcohol to be air dried?
The alcohol must be allowed to air dry for approximately one minute prior to venipuncture to properly disinfect site, prevent hemolysis of the specimen, and avoid discomfort for the patient.
Why is it important to wipe the puncture site with alcohol beforehand?
Why is it important to wipe the puncture site with alcohol beforehand? It kills microorganisms and minimizes the risk of infection. -Aseptic technique is used to remove microorganisms and prevent infection.
What would be the system of choice to identify laboratory specimens form an unconscious unidentified woman in the emergency room group of answer choices?
Phlebotomy final exam
| Question | Answer |
|---|---|
| what would be the system of choice to indentify laboratory specimen from unconscious, unconscious, unidentified woman in the emergency room? | use a three part Identification band and labels |
How can you tell that you were in a vein when using a needle and syringe?
When you insert the needle into the vein, a blood flashback will be visible in the tubing, making it easier to recognize that you’ve accessed the vein. A straight multisample needle is typically 1 to 1.5 inches (2.5 to 3.8 cm) in length and the gauge ranges from 20 to 22.