Deck 11: Venipuncture Complications

Question 1

Which of the following tests is affected by the patient's position?

A) Chloride
B) PT
C) Protein
D) Sodium

Answer 1

C

Question 2

Collections for which department require a special patient identification system in addition to the hospital ID bracelet?

A) Blood bank
B) Chemistry
C) Coagulation
D) Hematology

Answer 2

A

Question 3

What is the term used to describe a vein that is hardened due to repeated venipunctures, chemotherapy, or disease?

A) Blocked
B) Edematous
C) Occluded
D) Sclerosed

Answer 3

D

Question 4

What condition can be caused by the removal of lymphoid tissue as part of a mastectomy?

A) Anemia
B) Hemoconcentration
C) Lymphostasis
D) Syncope

Question 5

What is the maximum amount of time that a tourniquet can be left on?

A) 30 seconds
B) 1 minute
C) 2 minutes
D) 5 minutes

Question 6

A large amount of bleeding into the tissues surrounding a puncture site (i.e., in a patient who takes anticoagulant medication) can cause what condition?

A) Compartment syndrome
B) Infection
C) Nerve damage
D) Vein collapse

Question 7

Which of the following can cause hemolysis of a blood specimen?

A) Using a needle with a larger gauge than necessary
B) Not mixing the tubes that contain anticoagulant
C) Using a small-gauge needle and a large vacuum tube
D) Using a syringe to draw the specimen

Question 8

During a prolonged hospitalization, a patient requiring many lab tests may develop what condition as a result of multiple blood samples being drawn?

A) Anemia
B) Edema
C) Hemoconcentration
D) Reflux

Question 9

A patient has a seizure while you are performing a venipuncture. What should you do?

A) Finish collecting the specimen and then call the nurse for help.
B) Remove the tourniquet and needle immediately and call the nurse for help.
C) Call the lab for help restraining the patient so you can obtain the sample.
D) Ignore the seizure and continue the procedure as usual.

Question 10

What is the medical term for fainting?

A) Emesis
B) Hematoma
C) Lymphostasis
D) Syncope

Question 11

Which of the following may cause a hematoma?

A) Going through the back side of the vein when inserting the needle
B) Using a needle of too-small gauge
C) Using a needle of too-large gauge
D) Leaving the tourniquet on for longer than 1 minute

Question 12

The emergency department has requested a that blood alcohol level be drawn on a patient. What is the proper way to obtain the specimen?

A) Clean the site with alcohol and perform a routine venipuncture.
B) Clean the site with Betadine (povidone-iodine) and perform a routine venipuncture.
C) Call the lab to get a phlebotomist who is experienced in drawing from arteries.
D) Use alcohol to clean the site and perform a dermal puncture.

Question 13

When you are unable to locate a vein after thoroughly examining a patient's arm, what step should be taken next?

A) Examine the other arm for a vein.
B) Try to collect the sample even though you do not see or feel a vein.
C) Decide to perform a dermal puncture.
D) Call the lab for a more experienced phlebotomist.

Question 14

When collecting blood from a vein in the back of the hand, where should the tourniquet be placed?

A) Above the elbow as usual
B) Just above the wrist
C) Just below the wrist
D) No tourniquet is used.

Question 15

Which of the following tests is most seriously affected by hemolysis?

A) Chloride
B) Creatine kinase (CK)
C) Glucose
D) Potassium