Q&A/ Already Graded A+.
Which vessel is the second choice for a blood draw - Answer: Cephalic Vein
Which vessel is the third choice for a blood draw - Answer: Brachial/basilic Vein
Which vessel is lateral to the patient's body - Answer: Cephalic Vein
What are the names of the three main vessels of the body - Answer: Veins, arteries, capillaries
What are the microscopic blood vessels responsible for O2 exchange - Answer: Capillaries
How much blood is needed for each blood culture bottle - Answer: Adults: 8-10ml (3-4ml in
each bottle, aerobic & anaerobic)
How many liters of blood does the average adult have - Answer: 5 (4-6 liters)
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, What is the name of the part of the blood which suspends all of its whole material - Answer:
Plasma
What is serum - Answer: Plasma without the clotting factor
What type of anemia can occur in infants because of frequent excessive blood drawing -
Answer: Iatrogenic anemia
What is the lifespan of an RBC - Answer: 90-120 days
What does CBC stand for - Answer: Complete blood count
What is a CBC with differential - Answer: measures the levels of red blood cells, white blood
cells, platelet levels, hemoglobin and hematocrit
What mask needs to be worn in a room with airborne isolation precautions - Answer: N-95
Mask (plus gloves & a gown)
What does PPE stand for - Answer: Personal Protective Equipment
What PPE needs to be worn in a room with droplet isolation precautions - Answer: Gloves,
mask, eye protection & gown
What PPE needs to be worn in a room with contact precautions - Answer: Gloves & gown
What gauge needle will cause hemolysis - Answer: 25 gauge (and above) (to small & it breaks
the blood up; to large and it slams into the back of the tube)
What is the range of needle gauges for blood donation - Answer: 16-18 gauge
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