Ascp Practice Test Phlebotomy Technition

Front 1

Arterial blood leaves the heart through the:

Back 1

aorta

Front 2

The liquid portion of the blood within the body is:

Back 2

plasma

Front 3

The laboratory receives a STAT request for a blood glucose level on a patient in the emergency department. It is appropriate to:

Back 3

Treat the request as a medical emergency: collecting and processing the blood immediately

Front 4

The best location to perform a dermal puncture for a point-of-care glucose test on an adult is the tip of the palmar surface of the:

Back 4

Third or fourth finger

Front 5

Low and high controls are required for a glucose meter. These are run:

Back 5

exactly the same as patient samples are run

Front 6

A patient has recently had a radical mastectomy of the right breast. The best site for venipuncture in this patient is the:

Back 6

Left arm

Front 7

Urine begins forming in the _________ where the blood is ___________

Back 7

kidneys; filtered

Front 8

The length and width of lancet blades are important for assuring an adequate flow of blood and to:

Back 8

prevent injury to the bone

Front 9

Blood culture collection sites are prepared by swabbing the venipuncture site with iodine, which is left on for at least:

Back 9

20 seconds

Front 10

A tourniquet is applied to the arm above a venipuncture site to:

Back 10

slow the flow of venous blood to the heart

Front 11

Arterial walls have thick layers of _______________ to withstand increased blood pressure during the contraction phase of the heart and to maintain blood flow during its resting phase

Back 11

muscle

Front 12

Which of the following is a normal finding in a plasma specimen?

A) light yellow color

B) dark, golden amber color

C) milky white

D) pink to red

Back 12

A) light yellow color

Front 13

A blood specimen for a 2-hour postprandial glucose test is collected:

Back 13

after the patient eats a meal

Front 14

Which of the following describes the appropriate response by the phlebotomist?

A) A liver function profile was not collected because the patient was not fasting.

B) A patient on withhold since midnight has a fasting blood glucose collected at 0400. No note was added to the requistion.

C) A lipid profile was collected at the same time as a 2-hour postprandial glucose.

D) A patient on withhold for 8 hours reports drinking water. A blood glucose level was collected, and no report was added to the requistion.

Back 14

D) A patient on withhold for 8 hours reports drinking water. A blood glucose level was collected, and no report was added to the requistion.

Front 15

A patient's laboratory requistion requests the specimen be collected by fingerstick. The phlebotomist about to perform the fingerstick notices that the patient's hand feels cold. It is appropriate for the phlebotomist to:

Back 15

warm the patient's skin prior to performing the puncture

Front 16

A patient has a cast on the left arm and an IV in the right forearm. A venipuncture in the patient's right arm must be done:

Back 16

below the IV in a different vein

Front 17

Skin puncture for neonatal screening specifies that:

Back 17

the first drop of blood is wiped away

Front 18

To prevent tampering and misidentification of samples for legal purposes, everyone who handles the specimen must provide:

Back 18

documentation of their identity and the date and time the sample is handled.

Front 19

A neonatal bilirubin specimen should be colleced in a

Back 19

amber microcollection tube and protected from light

Front 20

Peak and trough specimens are collected for therapeutic drug monitoring. The trough specimen is typically collected:

Back 20

30 minutes before a dose

Front 21

A specimen for a blood ammonia test is to be preserved from the time of collection until it is tested in the laboratory. The best course of action is to keep the tube:

Back 21

in a cup of ice water

Front 22

The performance and speed of centrifuges should be checked:

Back 22

every 3 months

Front 23

which of the following is the proper greeting to say when first approaching a patient?:

Back 23

Good afternoon. I'm from the laboratory. Can you tell me your name please?

Front 24

Which of the following best describes the safe operation of a centrifuge?

Back 24

Tube stoppers are left on, the centrifuge is loaded by balancing similar tubes, and the lid is closed during centrifugation

Front 25

The preferred depth of incision for a skin puncture of a premature infant is:

Back 25

0.85 mm

Front 26

The arteries used for arterial puncture, listed in order of preference, are:

Back 26

radial, brachial, femoral

Front 27

The transportation of blood and body fluid specimens by pneumatic tube system:

Back 27

is not recommened

Front 28

A phlebotomist is asked to assemble the equipment for an arterial puncture. Which of the following would be inappropriate?

a) heparinized syringe

b) alcohol pads

c) personal protective equipment (PPE)

d) tourniquet

Back 28

tourniquet

Front 29

When collecting blood samples from a patient with a venous access device (VAD):

Back 29

discard the first 5 mL of blood to flush the VAD

Front 30

The industry-wide stopper color for tubes chemically clean enough to be used for collecting blood specimens for the dtermination of trace elements is:

Back 30

royal blue

Front 31

After centrifuging a green-stoppered tube containing blood to be tested for a electrolyte panel, the phlebotomist notes that the serum is pink, indicating:

Back 31

hemolysis and an unacceptable specimen

Front 32

A phlebotomist must collect from a patient in isolation with contact precautions. The appropriate personal protective equipment (PPE) is:

Back 32

gloves and gown

Front 33

The procedure for a glucose tolerance test (GTT) calls for blood specimens to be collected at intervals of one-half hour, 1 hour and 2 hours after glucose dose has been ingested. An outpatient scheduled for a GTT arrives at the clinic at 0715. The patient started drinking the glucose beverage at 0725 and finished at 0730. The first specimen should be collected at:

Back 33

0800

Front 34

When a lipid panel is ordered, the patient should be:

Back 34

fasting for at least 12 hours; water is allowed but not caffeine or nicotine

Front 35

A patient is given urine collection materials and told to collect a urine sample by cleaning the urethral meatus, starting to void without collection, and collecting the remainder of the voided urine in a specimen cup. This urine sample is:

Back 35

a clean-catch, midstream urine

Front 36

The container for a 24-hour urine collection should be:

Back 36

labeled and stored in a refrigerator

Front 37

During the collection of a 24-hour urine, it is important to:

Back 37

avoid contamination of the urine specimen with feces

Front 38

Which blood specimen would be rejected as unsatisfactory?

Back 38

a light blue-stoppered tube that is 1/3 full

Front 39

A phlebotomist is waiting while an elderly patient slowly gets back into bed. The phlebotomist shows appropriate nonverbal communication skills by:

Back 39

being thoughtful, considerate, and offering to assist

Front 40

After completing venipuncture by evacuated tube, it is appropriate to:

Back 40

dispose of the needle in a nearby sharps container

Front 41

When collecting blood with a syringe, pulling back quickly and hard on the plunger can

Back 41

collapse the vein and hemolyze the blood

Front 42

A skin puncture for a complete blood cell (CBC) count is ordered on a newborn. The phlebotomist finds the infant is crying violently. The phlebotomist should:

Back 42

if possible wait until the infant has stopped crying for 1 hour

Front 43

Proper placement of the needle within a vein is indicated by all the following, except:

a)flashback of blood in the hub of the needle or tubing of a butterfly

b) swelling around the venipuncture site

c) feeling a slight give or pop as the needle enters teh vein

d) seeing a return of blood in the syringe or evacuated tube

Back 43

b) swelling around the venipuncture site

Front 44

Which of the following represents an inappropriate technique for labeling of collection tubes?

Back 44

the phlebotomist labels the vacutainer tubes before calling an outpatient into the drawing area

Front 45

All the following terms indicate the patient has had nothing to eat, except:

a)fasting

b)withhold

c)postprandial

d)NPO

Back 45

C) postprandial

Front 46

The term for identifing the means of transmission of a contagious disease from its host is:

Back 46

Chain of infection

Front 47

The most effective means of preventing the spread of infectious diseases is:

Back 47

to observe proper handwashing techniques

Front 48

The laboratory receives a request to collect 450 mL of blood from a patient with polycythemia. This blood collection would be called a?

Back 48

therapeutic phlebotomy

Front 49

care in centrifuging, such as eliminating splashing or splattering and not popping off tube stoppers, are designed to prevent the formation of:

Back 49

aerosols

Front 50

A phlebotomist performs a venipuncture without disinfecting the venipucture site and leaving the tourniquet on longer than indicated. This would be considered:

Back 50

negligence

Front 51

A hematoma may be caused by all the following, except:

a) probing ('fishing') for a vein

b) going all the way through a vein

c) holding pressure on the venipuncture site with the arm straight

d)bending the elbow with a cotton ball on the venipuncture site to apply pressure

Back 51

c) holding pressure on the venipuncture site with the arm straight

Front 52

The steps to be followed in response to discovering a fire may be remembered by the acronym:

Back 52

RACE

Front 53

When blood leaves the right ventricle, it enters the:

Back 53

Right and Left pulmonary arteries

Front 54

A blood sample collected in a tube without anticoagulant would contain:

Back 54

Serum

Front 55

A STAT specimen

Back 55

Must be collected and tested immediately

Front 56

When collecting blood from an infant or neonate, the best site for a skin puncture is:

Back 56

the medial or lateral section of the foot

Front 57

What g value and minimum time are used in a centrifuge to effect good separation of clotted blood from serum?

Back 57

1000 rpm for 10 minutes

Front 58

Obese patients may be difficult to draw because their veins can be more difficult to palpate. Excessive probing by the phlebotomist may:

Back 58

release some tissue clotting factors

Front 59

What percentage of water in a human body is found within the cells?

Back 59

60%

Front 60

What is the guideline for the use of gloves when performing a skin puncture?

Back 60

Gloves must be changed between patients

Front 61

When preparing a site for venipuncture, which of the following is not mandated?

Back 61

always start with using iodine

Front 62

which of the following is true of veins?

Back 62

all veins contain deoxygenated blood

Front 63

which of the following is not true of arteries

Back 63

arteries have a pulse

Front 64

which of the following is true of plasma?

Back 64

plasma contains fibrinogen

Front 65

concerning the collection of a timed specimen, which of the following is true?

Back 65

if a timed glucose is collected too early; the result could be falsely evaluated

Front 66

If a phlebotomist notices a patient eating during a glucose tolerance test, the correct procedure would be to;

Back 66

contact the physician to determine if the test should be continued

Front 67

Which of the following is true concerning required neonatal screening for phenylketonuria (PKU)

Back 67

never touch the filter paper directly to the puncture site

Front 68

When using vacuum tubes, the proper order of the collection tubes is:

Back 68

red, light blue, gel separator, green

Front 69

When performing capillary punctures on neonates, the following order of the collection is mandated:

Back 69

hematology, chemistry, blood bank

Front 70

When dealing with forensic samples, the "Chain of Custody" would include;

Back 70

documentation of each person who handles the specimen

Front 71

Specimens for which of the following analytes must be protected from light immediately after collecting?

Back 71

bilirubin and carotene

Front 72

A phlebotomist was scheduled to collect the 2-hour specimen for a glucose tolerance test at exactly 9:00 AM. At 9:15 AM the phlebotomist realizes that the specimen has not yet been collected. What is the appropriate course of action?

Back 72

Collect the sample as soon as possible and note the collection time on the tube and laboratory slip

Front 73

Which of the following must be kept at 37c after collection?

Back 73

cold agglutinins and cyrofibrinogen

Front 74

Centrifuges should be checked on a regular maintenance schedule using a tachometer that registers:

Back 74

revolutions per minute (RPM)

Front 75

Which of the following is not an acceptable form of identification, with the exception of a patient with severe burns or a patient in isolation?

Back 75

patient name card on teh bed or door

Front 76

When filling glass capillary tubes, follow the OSHA recommendation:

Back 76

to use glass capillary tubes wrapped in puncture resistant film

Front 77

Which of the following is not ture of pediatric heelsticks?

Back 77

the best way to assure a good blood flow with less injury to the tissue is to perform the heelstick at the same site as previous heelstick

Front 78

Which artery should be used when performing an arterial puncture?

Back 78

radial

Front 79

A blood specimen for the following test need not be transported in a mixture of ice and water?

Back 79

amylase

Front 80

Which of the following is not standard equipment when performing an arterial puncture for blood gases?

Back 80

tourniquet

Front 81

If no other site is available it is permissible to collect from an arm with an IV line provided that:

Back 81

The sample is collected from below the IV line

Front 82

When collecting blood for trace metal analysis, which of the following must be observed:

Back 82

avoid the use of an anticoagulant that binds metal

Front 83

A hemolyzed blood sample would have the greatest impact and cause elevated levels of the following:

Back 83

Potassium, iron, magnesium

Front 84

When collecting blood from a patient in reverse isolation, which of the following is true?

Back 84

articles removed from the room need not be double bagged

Front 85

A patient scheduled for a 3-hour glucose tolerance test wants to know when the final specimen will be collected. the specimen was collected 7:00 AM, and the patient finished drinking the glucose solution at 7:10 AM. The final specimen will be collected at:

Back 85

10:10 AM

Front 86

Which of the following is mandated in preparation of a patient for a glucose tolerance test?

Back 86

not fasting for more than 14 hours before the test

Front 87

When instructing a patient on the proper procedure to use for collection of a mid stream urine specimen, which of the following is not mandated?

Back 87

The sample should always be the second voided of the day in order to reduce contamination

Front 88

which of the following preservatives used in a 24 hour urine collection will interfere least withe the dipstick analysis and other urine chemical tests?

Back 88

boric acid

Front 89

instructions for a 24 hour urine collection would indicate the starting time of collection and ending time. This means that;

Back 89

the patient voids into the toilet and starts the timing with an empty bladder collecting all subsequent samples

Front 90

A blood sample tested for liver enzymes showed an elevation of all liver enzymes except lactate dehydrogenase (LDH). This lower result may have been the result of:

Back 90

refrigeration of the blood sample

Front 91

If the phlebotomist were unsuccessful upon a first attempt to collect a blood specimen, the next step would be:

Back 91

to ask the patient if they are willing to allow the phlebotomist to perform a second attempt

Front 92

What is the appropriate procedure for tourniquet use?

Back 92

Tourniquest must be wiped with 70% alcohol between patients

Front 93

The action of sodium polyanethole sulfate (SPS) as an additive to blood culture containers includes:

Back 93

complement inhibition

Front 94

The best marker to insure the completeness of a 24-hour urine collection, would be:

Back 94

4-aminobenzoic acid level

Front 95

Which of the following anticoagulants does not bind calcium?

Back 95

heparin

Front 96

Which of the following antiglycolytic agents is preferred because it does not interfere with urease and allows the same blood sample to be tested for blood urea nitrogen (BUN) as well as glucose?

Back 96

Sodium iodoacetate

Front 97

From the standpoint of patient safety, which is the most dangerous practice?

Back 97

prelabeling the vacutainer tubes before collection

Front 98

Which of the following additives is a true anticoagulant?

Back 98

sodium citrate

Front 99

When preparing a patient's arm for a blood culture collection:

Back 99

use iodine first only if the patient is not allergic to it

Front 100

Which of the following is true of capillary punctures done on the fingertips?

Back 100

insert the lancet perpendicular to the fingerprint