Blood Withdrawl LAC+USC

Question 1

State which 2 patient identifiers must be checked and matched before drawing blood.

Answer 1

Inpatient: Patients name and MRN on band/tag has to match label tubes/container

Outpatient:patients name and DOB has to match label on tubes/container

Question 2

Name the nursing personnel who are permitted to perform withdrawal.

Answer 2

RN
LVN
CMA (allowed to draw blood if allowed at the institution )

Question 3

List 3 standards that should be observed in order to ensure accurate and safe blood withdrawal.

Answer 3

A. Proper Identification of patient 
B. Accurate selection of tubes
C. Proper labeling 
D. Use of appropriate forms/labels
E. Constant observation of standard precautions

Question 4

What action will the lab take if they receive a specimen tube that is unlabeled?

Answer 4

A. The test will be canceled

B. The specimen will be discarded

Question 5

It is recommended that all health care professional who come in contact with blood be vaccinated with the Hep B vaccine.

True or False

Answer 5

True

Hep B vaccination is recommended for all health care workers who come in contact with blood.

Question 6

Which device/ needle is best used for drawing blood in the antecubital fossa?

Answer 6

Vacutainer is the best needle to use for venipuncture on he antecubital fossa.

Question 7

Which of the following procedures should be followed when withdrawing blood by venipuncture?

A. Apply alcohol pad/swab to puncture site after blood withdrawal.
B. Stick the patient four times.
C. Observe standard precautions.
D. Directly draw blood from the jugular vein.

Answer 7

C. Observe standard precautions

Question 8

List at least 3 safety factors to be observed when withdrawing blood by the skin puncture.

Answer 8

A. Use lancets to puncture sites.
B. Alternate puncture sites
C. Use the lateral aspects of either finger or heel

Question 9

How many mL of NS should be flushed into a CVC cath after blood withdrawal?

Answer 9

10 mL NS flush CVC cath after blood withdrawal

Question 10

Following an infusion of TPN, how many mL NS should be flushed into a CVC cath with internal valve (w/o external clamp) prior to blood withdrawal?

Answer 10

20 mL

Question 11

It is best to obtain blood for culture:

A. At the start of shift
B. Prior to initiation of antibiotic therapy
C. When the patient is afebrile
D. Every 24hrs x 3 days

Answer 11

B. Prior to the initiation of antibiotic therapy

Question 12

How many sets of culture bottles must be obtained with order to draw blood culture?

Answer 12

Drawn from 2 peripheral sites

Question 13

How many bottle are inoculated with each blood culture stick and what color of the culture bottle tops must be drawn with each stick?

Answer 13

2 bottle must be inoculated with each stick
Blue (aerobic)
Yellow (anaerobic)
For adults on antibiotics, use the gray top bottle instead of the blue

Question 14

List 4 complications associated with blood withdrawal.

Answer 14

A. Hematoma
B. Syncope
C. Continued
D. Thrombosis

Question 15

Blood specimens must be labeled:
A. Before leaving patient’s bedside 
B. At the nursing station after matching labels with the chart
C. At the lab 
D. All of the above

Answer 15

A. Specimen must be labeled before leaving the patient’s bedside.

Question 16

List 2 principles of labeling specimens.

Answer 16

Place label directly under cap, name on top
Place barcode
Leave visible area to see blood
Date, time, and place employee number or name on label
The person drawing the specimen must place the label