Chapter 7-9

Question 1

When performing a venipuncture procedure, what position should the bevel of the needle be pointed at?

Answer 1

Bevel up

Question 2

What should a phlebotomist do if the information on an inpatient’s ID bracelet is not identical to the information on the phlebotomy test requisition and labels?

Answer 2

Cannot draw the sample until ID issue is required

Question 3

What should the phlebotomist tell the patient to make the vein become more prominent during initial step of venipuncture procedure?

Answer 3

Make a fist

Question 4

After cleaning the venipuncture site with alcohol, the phlebotomist should?

Answer 4

Allow it to air dry on its own

Question 5

While performing a venipuncture using a 10 ML to the vein suddenly collapsed. To prevent this the phlebotomist should?

Answer 5

Use the 5 ML evacuated tube

Question 6

What tube is used for coagulation test?

Answer 6

Light blue

Question 7

After drawing a six-year-old child on a bed with pushed down bed rails, the phlebotomist should do what?

Answer 7

Return the rail to the upright position

Question 8

What tube contains no additive (plain)?

Answer 8

Red

Question 9

This condition might happen after repeated venipuncture on the same vein?

Answer 9

Phlebitis

Question 10

Give the proper order of draw in the given routine laboratory tests: CBC, cholesterol, triglycerides, glucose

Answer 10

Red, lavender, gray

Question 11

After centrifuging a tube with anticoagulant, what substance will be forced at the bottom of the tube?

Answer 11

Red blood cells

Question 12

Blood collection tubes are labeled when?

Answer 12

Immediately after specimen collection

Question 13

If a patient adamantly refuses to have blood drawn, you should?

Answer 13

Notify the patient’s nurse or physician

Question 14

When doing dermal stick procedure which blood collection should you do first?

Answer 14

Smear

Question 15

When the patient’s arm is swollen with excess fluids, this condition is called what?

Answer 15

Edema

Question 16

What is the additive in the gray tube?

Answer 16

Potassium oxalate

Question 17

What will rise to the top of an unclotted blood sample?

Answer 17

Plasma

Question 18

What is the purpose of the rubber sleeve end of the Vacutainer needle?

Answer 18

Prevents seepage of blood into the adapter (hub) to be able to draw multiple tubes

Question 19

After an accidental needlestick, what should you do first?

Answer 19

Clean the area with alcohol/antibacterial soap immediately

Question 20

A winged infusion set is typically used for what?

Answer 20

Difficult and hand veins

Question 21

How many times may a needle be used before discarding it?

Answer 21

1

Question 21

How long should a tourniquet be left on the arm without changing any laboratory results?

Answer 21

60 seconds

Question 23

You are in the process of collecting a specimen by venipuncture. You hear a hissing sound and the blood flow stops. What has most likely happened?

Answer 23

The tube has lost its vacuum

Question 24

What is the initial step when performing a venipuncture procedure?

Answer 24

Identify the patient

Question 25

EDTA prevents coagulation by what ?

Answer 25

Binding calcium

Question 26

Tubes with gray stoppers are used for what?

Answer 26

Glucose tolerance test (GTT)

Question 27

At the middle of a venipuncture procedure, what should you do if the puncture site starts to swell?

Answer 27

Release the tourniquet, dispose needle and immediately apply pressure

Question 28

What causes evacuated tubes to fill with blood automatically?

Answer 28

Tube vacuum

Question 29

What is the action of sodium citrate additive when used in coagulation studies?

Answer 29

It binds to calcium to prevent the clotting process

Question 30

What laboratory test will be mostly affected if you failed to invert the tube properly?

Answer 30

CBC

Question 31

Which vein is often the only one that can be palpated in an obese patient?

Answer 31

Cephalic

Question 32

What tube should you use for serum createnine clearance test?

Answer 32

Red

Question 33

How do you cleanse the puncture site while doing a circular motion?

Answer 33

From the center to the periphery

Question 34

What is the most critical error a phlebotomist can make?

Answer 34

Misidentifying a patient specimen

Question 35

What type of alcohol is used for routine venipuncture?

Answer 35

70% isopropyl alcohol

Question 36

At what angle should a venipuncture needle penetrate the skin?

Answer 36

15 to 30 degrees

Question 37

When a lipid panel is ordered, what is required for the patient to do so that it can give better results for the physician to interpret?

Answer 37

Draw the blood after fasting for at least 10 hours

Question 38

An equipment created to provide access for dialysis and is a permanent fusion of artery and vein?

Answer 38

Fistula (arteriovenous shunt)

Question 39

An increase in the ratio of formed elements to plasma is called what?

Answer 39

Hemoconcentration

Question 40

Mass of blood that can be caused by blood leaking from a blood vessel during or following venipuncture

Answer 40

Hematoma

Question 41

While performing venipuncture you see a good flow of blood entering the first tube. What should you do next?

Answer 41

Tell patient to open his/her hand

Question 42

It is not a good idea to collect a CBC specimen from a screaming infant because what?

Answer 42

White blood count may be falsely elevated

Question 43

You have no choice but to draw a specimen from a site with hematoma. Where should you obtain the specimen?

Answer 43

Distal to the hematoma

Question 44

Tiny, non raised red spots that appear on the patient's skin when tourniquet is applied

Answer 44

Petichiae

Question 45

What is the purpose of glass particles in the serum separator tubes?

Answer 45

Accelerate coagulation