To ensure the safety of pediatric patients during blood draws, the clinic has a policy that limits the amount of blood that can be drawn to 3% of a child's total blood volume in a 14-day period. A 5-year-old male patient who weighs 40 pounds is scheduled for multiple blood tests. Which of the following is true about volume requirements for this high-risk patient? The average blood volume for a child is 80 mL per kilogram of body weight.
Practise this NHA Certified Phlebotomy Technician (CPT) Exam question free, then download the PDF, watch the video walkthrough, or unlock timed mock exams for the full web bank.
AThe total volume that can be drawn from this patient over 14 days is 1.45 L.
BThe total volume of blood that is drawn over 14 days should not exceed 44 mL.
CThe total blood volume requirements are not applicable for young children.
DThe total volume that is drawn over 14 days should not exceed 22 mL because the patient is a child.
✓ Correct answer: B. The total volume of blood that is drawn over 14 days should not exceed 44 mL.Answer: The total volume of blood that is drawn over 14 days should not exceed 44 mL. Convert the weight from pounds to kilograms (1 lb = 0.454 kg) 40 lbs = 18.16 kg Calculate the total blood volume (18.16 kg x 80 mL) = 1452.80 mL Calculate 3% of blood volume (0.03 x 1452.80 mL) = 43.584 mL The total blood that can be drawn from this patient during a 14-day period is 43.584 mL. The patient's age and weight dictate the blood volume requirements, while gender and specific conditions do not affect them.
Keep practising. Use the free NHA Certified Phlebotomy Technician (CPT) Exam PDF, watch the YouTube walkthrough, or unlock all 10 web questions with timed mock exams.
Free practice here. Timed mocks when you are ready.
Study the Phlebotomy Technician Prep free question explanations, download the PDF, then unlock timed mock exams on the web when you want exam-day practice.