Nokea
You are performing phlebotomy on an elderly patient using a needle and syringe setup. Besides hemolysis, what can happen if you pull the plunger back too rapidly?
- A. Vein collapse
- B. Excessive bleeding
- C. Needle dislodgement
- D. Pain or discomfort
Correct Answer: A
Rationale: Pulling the plunger back too rapidly can create excessive negative pressure, causing the vein to collapse, especially in elderly patients with fragile veins.
You may also like to solve these questions
You should avoid which of the following actions that can cause hemolysis?
- A. Using a 20- or 22-gauge needle and syringe
- B. Leaving the tourniquet on longer than 1 minute
- C. Using an evacuated tube set and a 25-gauge needle
- D. Withdrawing the blood slowly when using a needle and syringe
Correct Answer: B,C
Rationale: Leaving the tourniquet on too long or using a small-gauge needle (e.g., 25-gauge) with an evacuated tube can cause hemolysis due to excessive pressure or shear stress on red blood cells.
You are preparing to draw the blood specimen and know that you must protect yourself against bloodborne pathogens. How will you accomplish this?
- A. Scrub the intended site with alcohol.
- B. Monitor the patient's chart for a history of bloodborne pathogens.
- C. Wash your hands prior to drawing blood.
- D. Apply clean examination gloves.
Correct Answer: C,D
Rationale: Washing hands and wearing gloves are key measures to protect against bloodborne pathogens, following standard precautions for phlebotomy.
What action(s) will help to protect you from bloodborne pathogens during phlebotomy?
- A. Washing your hands prior to the procedure
- B. Washing your hands after the procedure
- C. Wearing gloves during the procedure
- D. Activating the needle safety device immediately after removing your gloves
Correct Answer: A,B,C
Rationale: Hand washing before and after the procedure and wearing gloves during it are standard precautions to protect against bloodborne pathogens. The needle safety device should be activated immediately after use, not after removing gloves.
In what sequence will you draw the colored tubes?
- A. Yellow
- B. Lavender
- C. Green
- D. Gray
Correct Answer: A,B,C,D
Rationale: The order of draw is yellow (blood cultures) first to prevent contamination, followed by lavender (CBC), green (electrolytes), and gray (glucose) to minimize additive carryover.
The labels you apply to the blood specimen tubes should contain some of the following data. Which data should be included on the label?
- A. Patient's first and last name
- B. Hospital identification number for inpatient
- C. Date of birth for outpatient
- D. Physician's name
- E. Type of test ordered
- F. Date test was ordered
- G. Date and time specimen was collected
Correct Answer: A,B,C,G
Rationale: Labels must include the patient's name, hospital ID (for inpatients), date of birth (for outpatients), date and time of collection, and the phlebotomist's initials to ensure proper identification and traceability.