Phlebotomy Ch.11 quiz

the best angle for using 2 glass slides to make a blood smear is approximately

• 90 degrees

• 30 degrees

• 15 degrees

• 10 degrees

which of the following is preferred site for a capillary puncture?

• third finger

• antecubital area

• wrist

• thumb

if alcohol is used to decontaminate the capillary puncture site, which of the following is an essential step?

• using 2 alcohol pads for cleansing

• diluting the strength of the alcohol

• allowing the site to air dry prior to the puncture

• wiping away the second drop of blood after the puncture

which finger(s) are used most often for skin puncture?

• fifth finger

• third/fourth finger

• second finger

• thumb

blood samples from skin punctures cannot be used for which tests?

• routine hematology

  test

• glucose testing

• cholesterol screening tests

• coagulation studies

controlling the depth of puncture during a fingerstick prevents which of the following?

• puncturing a vein

• osteomyelitis

• bacterial contamination

• excessive bleeding

a finger puncture should involve which of the following steps?

• wiping away the first 2 drops

• puncturing across the fingerprint

• puncturing along the fingerprint lines

• puncturing parallel to fingerprint

Plastic microcollection tubes should be filled with blood in which of the following ways?

• allowing the tube to fill by itself using capillary action

• using a syringe to fill the tube

• using suction to pull blood into the tube

• using the tube to scoop droplets off the skin carefully

skin puncture is not useful for patients who have which of the following conditions?

• obesity

• burns

• swollen arms and hands

• fragile veins

capillary blood is more like arterial blood than venous blood for which of the following reasons?

• the skin has more arterioles

• there is more arterial blood than venous blood

• venous pressure is greater in capillaries

• arterial pressure is stronger in capillaries