Chapters 10, 11, 13, 14

Front 1

Prior to performing a venipuncture, why is it important to get information about whether or not the patient has eaten recently?

Back 1

Laboratory tests can be affected by the ingestion of food and drink

Front 2

If a patient is obese, what special equipment, if any, would be helpful in the specimen collection process?

Back 2

A large blood pressure cuff

Front 3

When a patient has "difficult" veins, what strategies, if any, can be used to improve the likelihood of a successful puncture?

Back 3

- slight rotation of the patient's arm to a different position

- palpating the entire antecubital area to trace vein path

- warming the site

Front 4

Arteries differ from veins in which of the following ways?

Back 4

Thicker vessel walls, pulsating feel

Front 5

If arm veins cannot be used for a venipuncture, the preferred alternative veins lie in the

Back 5

Dorsal side of the hand or wrist

Front 6

When the evacuated tube method is used for venipuncture, select the correct order of collection for the following tubes: blood culture tubes, coagulation tube, and hematology tube

Back 6

Yellow, blue, lavender, blood culture tubes

Front 7

If a patient is frail and has a tendency to faint, what equipment, if any, would be helpful in the specimen collection process?

Back 7

A recliner

Front 8

If a patient has a bruise in the antecubital area of his right arm (his nondominant arm), what alternate site should be considered?

Back 8

The antecubital area of the left arm

Front 9

How many more times should a phlebotomist try to perform a venipuncture on a patient if he has failed once already?

Back 9

Once

Front 10

Which specimen collection tube is commonly used for hematology tests?

Back 10

EDTA

Front 11

Which specimen collection tube is commonly used for hemostasis tests?

Back 11

Sodium citrate

Front 12

Adding too much blood to a sodium citrate tube can cause

Back 12

Shorter clotting time

Front 13

When collecting a blood specimen with the butterfly method and PT and PTT tests are the only tests ordered, what is the correct procedure?

Back 13

Use a discard tube, then collect sodium citrate tube

Front 14

HIV, HBV, and HCV are _____________ pathogens

Back 14

Bloodborne

Front 15

Collection tube additives may be accidentally transferred from one specimen tube to the next when the tubes are not oriented in a __________ _________ during filling

Back 15

Downward position

Front 16

The order for a laboratory test is often called a requisition or

Back 16

Request

Front 17

Skin puncture techniques are useful in which of the following conditions?

Back 17

When the patient is a neonate

Front 18

Blood smears for evaluation of cells must be made carefully. Which of the following features should be present?

Back 18

A feathered edge

Front 19

Blood from a skin puncture is a mix of

Back 19

Blood and interstitial fluid

Front 20

What is the best angle for spreading a blood smear by using two glass slides?

Back 20

30 degrees

Front 21

What is the average skin puncture depth appropriate for an adult?

Back 21

2-3 mm

Front 22

Excessive massaging or milking of the finger during a skin puncture procedure can cause

Back 22

Hemolysis and contamination of the specimen with tissue fluids

Front 23

In making a blood smear or slide, after the drop of blood has been spread across the glass slide, what is the next step?

Back 23

Allow it to air dry

Front 24

Nails can grow at a rate of about

Back 24

0.1 mm per day

Front 25

Fingerstick procedures cannot be performed when which test is ordered?

Back 25

Blood cultures and coag

Front 26

Alcohol that has not dried prior to a skin puncture can prevent a round drop from forming

Back 26

True

Front 27

Alcohol that has not dried prior to a skin puncture can cause erroneous results for some laboratory tests

Back 27

True

Front 28

Nonretractable lancets are recommended for use on adults

Back 28

False

Front 29

The puncture made during a fingerstick should be parallel to the fingerprint

Back 29

False

Front 30

The name of the fingertip bone is the distal

Back 30

Phalanx

Front 31

Another name for microhematocrit is

Back 31

Packed cell volume

Front 32

If hematology tests are ordered and a fingerstick is to be performed, when should they be collected in the order of draw?

Back 32

First

Front 33

One strategy for improving circulation prior to a fingerstick is to ________ the site

Back 33

Warm

Front 34

Which of the following sites is recommended to collect capillary blood gases on a newborn?

Back 34

Lateral posterior area of the heel

Front 35

Which of the following is the specimen of choice for testing the pH, pO2, and pCO2 of the blood?

Back 35

Arterial blood

Front 36

EMLA, sometimes used for pediatric venipuncture procedures, is a

Back 36

Topical anesthetic applied to the child's arm before venipuncture

Front 37

The best location for performing venipuncture on a hospitalized 7-year-old is

Back 37

In a treatment room

Front 38

Which of the following is a complication that can result from multiple deep heelsticks on an infant?

Back 38

Osteomyelitis

Front 39

Which of the following is a commonly inherited disease that is detectable through a newborn screening process in neonates?

Back 39

Sickle cell disease

Front 40

The angle of the needle for scalp vein venipuncture of an infant should be

Back 40

15 degrees

Front 41

After the blood collected from a heelstick is placed on the neonatal screening card, the card must dry in a horizontal position for a minimum of

Back 41

4 hours

Front 42

When a skin puncture is performed on an infant, which of the following specimens is collected first?

Back 42

A) chemistry specimens

B) hematology specimens

C) clinical immunology specimens

D) blood bank specimens

Front 43

Blood spot testing for neonatal screening disorders should be performed before the newborn is

Back 43

72 hours old

Front 44

Which of the following is an acceptable intervention to alleviate pain during venipuncture on a 5-year-old child?

Back 44

EMLA

Front 45

Which is the preferred site for a heelstick?

Back 45

A previous puncture site on the heel

Front 46

Which of the following disorders can be detected through neonatal screening?

Back 46

Cystic fibrosis

Front 47

Which of the following gauge sizes should be used for the infant scalp venipuncture?

Back 47

23 gauge

Front 48

The EMLA application can provide anesthesia for 45 minutes to 3 hours

Back 48

True

Front 49

A 10 mL blood sample collected from a newborn is equivalent to 5-10 percent of the infant's total blood volume

Back 49

True

Front 50

For children older than ________ year, a fingerstick is appropriate for blood collection

Back 50

1

Front 51

Children with spina bifida are particularly sensitive to

Back 51

Latex

Front 52

Eutectic mixture of local anesthetics is also called

Back 52

EMLA

Front 53

Blood smears for evaluation of cells must be made carefully. Which of the following features should be present?

Back 53

A feathered edge

Front 54

What is the average skin puncture depth appropriate for an adult?

Back 54

2-3 mm

Front 55

In making a blood smear or slide, after the drop of blood has been spread across the glass slide, what is the next step?

Back 55

Allow it to air dry

Front 56

Nails can grow at a rate of about

Back 56

0.1 mm per day

Front 57

Another instance when a fingerstick should not be performed on a patient is when the following has been ordered

Back 57

Coag tests

Front 58

Phlebotomists should ask about which of the following prior to a fingerstick?

Back 58

If the patient has had anything to eat/drink

Front 59

When performing a fingerstick, the puncture should be oriented ________ to or across the fingerprint ridges

Back 59

Perpendicular

Front 60

Sucrose is effective in reducing pain and crying time during a blood collection procedure for an infant

Back 60

True

Front 61

The EMLA application can provide anesthesia for 45 minutes to 3 hours

Back 61

True

Front 62

Which of the following should a health care worker do before using reagent strips and/or controls in point-of-care testing?

Back 62

A) Check the date that the bottle was opened.B) Ensure the reagents and/or controls have been stored properly.C) Check the expiration date.D) All of the above.

Front 63

What is troponin T?

Back 63

A protein that is used to detect heart damage

Front 64

Which term is synonymous with POCT?

Back 64

Near-patient testing

Front 65

Most rapid methods for glucose testing require

Back 65

Skin puncture blood

Front 66

Which of the following refers to the term hematocrit?

Back 66

PCV, crit

Front 67

Which of the following blood assays can assist in the diagnosis and evaluation of anemia?

Back 67

Hemoglobin

Front 68

In terms of quality-control procedures, SD stands for

Back 68

Standard deviation

Front 69

Interpretation of a quality control chart is based on the fact that for a normal distribution

Back 69

99% of the values are within 3 SD of the mean

Front 70

All POCT analyzers require

Back 70

Gloves

Front 71

Control material should be analyzed how many times in order to determine the mean and SD?

Back 71

20-30

Front 72

In POCT quality control, tolerance limits are determined by pooling the data obtained during which test period?

Back 72

30 day

Front 73

Which of the following is recommended to use to routinely clean the POCT instruments?

Back 73

5% bleach solution

Front 74

The Cholestech LDX system measures

Back 74

Total cholesterol

Front 75

Which of the following is referred to as "bad cholesterol"?

Back 75

LDL

Front 76

A QC chart in the clinical laboratory is based on the fact that for a normal distribution, what percentage of the values about the mean should be within +/- 2 SD?

Back 76

95%

Front 77

The CoaguChek XS System measures which of the following?

Back 77

PT/INR

Front 78

In laboratory abbreviations, PCV stands for

Back 78

Packed cell volume

Front 79

A less than normal number of erythrocytes in a patient is referred to as

Back 79

Anemia

Front 80

The hemoglobin A1c assay is used to monitor a patient's

Back 80

Blood glucose levels

Front 81

Which of the following measures a cardiac monitoring analyte?

Back 81

ROCHE TROPT Sensitive rapid assay

Front 82

The PT and INR testing is used in glucose monitoring

Back 82

False

Front 83

A cardiac POCT is the ROCHE TROPT rapid assay

Back 83

True

Front 84

Hct is the same as packed cell volume

Back 84

True