quiz 9

Which of the following procedures are usually performed by a nurse or respiratory therapist?

• Venipuncture

• Heel stick on an infant 

• Blood draw for glucose tolerance test

• Arterial blood draw

A medical assistant should use a winged infusion set to obtain a collection from which of the following area?

• Deep veins

• Small veins

• Occluded veins

• Sclerosed veins

Which of the following is the correct practice when instructing a patient about the phlebotomy procedure?

• “Make a fist and pump twice”

• Make a fist and pump three times”

•  “Make a fist and pump once”

• “Make a fist but do not pump”

A medical assistant enters the laboratory where a patient is already seated. Which of the following should the assistant do first?

• Identify the patient

• Wash hands and put on gloves

• Label the tubes

• Gather the necessary supplies

Which of the following is the purpose of inverting an evacuated tube after a medical assistant performs venipuncture?

•  To retrieve the liquid portion without cellular contamination of the specimen

• To distribute serum during centrifugation

• For proper mixing of the additive contained in the tube and specimen

• For proper separation of sodium heparin

Which of the following actions is correct when performing a capillary puncture?

• Puncture parallel to the fingerprint

• Puncture the index finger at the tip

•  Apply even pressure to the finger during the collection

• Wipe away the first five drops of blood after puncturing

Which of the following is the correct method to properly cleanse a patient’s venipuncture site before an evacuated tube draw?

• Cleanse the skin in a circular motion from inside to outside

•  Cleanse the skin using a gauze pad soaked in 70% cavicide solution

• Wipe the venipuncture site with a sterile dry gauze pad in a downward motion

•  Apply a disposable warmer at the venipuncture site and cleanse with soap and warm water

What is the proper angle of needle insertion for performing a venipuncture using the evacuated tube method with a multi-sample needle?

• 45 degrees

• 30 degrees

•  90 degrees

•  10 degrees

Which of the following sites is the best vein and most commonly used in venipuncture to withdraw blood?

• Median Cubital Vein

• Femoral Vein

• Medical Radial Vein

• Basilic Vein

Which of the following is the maximum length of time a tourniquet should be left on a patient during a venipuncture?

• 60 seconds

• 45 seconds

• 120 seconds

• 90 seconds