exam

Question 1

Which of the following tests cannot be collected using a dermal puncture?

Answer 1

Blood cultures

Question 2

Where is the tourniquet placed for arterial blood gas collection?

Answer 2

No tourniquet is used

Question 3

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

Answer 3

Using a small gauge needle and a large vacuum tube

Question 4

What is the minimum period that a man should be instructed to wait after the last ejaculation before collecting a semen sample for analysis?

Answer 4

3 days

Question 5

Which test requires the blood sample to be chilled immediately after collection and delivered to the laboratory in ice

Answer 5

Ammonia

Question 6

A tube containing thixotropic gel could be used to collect blood for which if the following tests?

Answer 6

Chemistry screen

Question 7

A sample drawn for which of the following requires special timing due to diurnal variation in its blood levels?

Answer 7

Cortisol

Question 8

The most common time urine collection is done over what time period?

Answer 8

24 hours

Question 9

Drawing an excessive amount of blood from a patient puts them at risk for what type of anemia?

Answer 9

Iatrogenic

Question 10

Which of the following tubes can be centrifuged immediately after collection?

Answer 10

Heparin tube

Question 11

During an oral GTT, what is the patient allowed. to consume?

Answer 11

Water only

Question 12

What specimen would not meet requirements and is likely to be rejected from the lab?

Answer 12

A urine specimen for C&S collected in a clean container

Question 13

Which anticoagulant is used for coagulation studies?

Answer 13

sodium citrate

Question 14

The medical term for a reduced blood supply to heart tissue, thereby causing damage to the heart muscle

Answer 14

ischemia

Question 15

The detection of HCG is a patient sample is useful in the diagnosis for what conditions?

Answer 15

Pregnancy

Question 16

Smaller portions of a specimen transferred into separate containers are called?

Answer 16

aliquots

Question 17

The phlebotomist had difficulty getting an EDTA tube for a CBC and sed rate. Two underfilled tubes were collected. The phlebotomist should?

Answer 17

reject at bedside and redraw the patient

Question 18

What type of fecal testing used to detect the amoeba Giardia?

Answer 18

O&P
Ova and parasites.

Question 19

How many times should tubes with additives be inverted after collection?

Answer 19

5-10 times

Question 20

A phlebotomist must ensure that the patient understands and agrees that his or her blood is going to be drawn. Wheat is the name of this process?

Answer 20

informed consent

Question 21

Blood levels of which of the following analytes are increased in congestive heart failure?

Answer 21

BNP

Question 22

When preparing blood smears at what degree should the spreader slide be?

Answer 22

25-30 degree

Question 23

What color tube should be collected for coagulation studies?

Answer 23

Light Blue

Question 24

What is the required specimen amount when collecting a blood culture on an infant?

Answer 24

0.8-1ML

Question 25

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?

Answer 25

Compartment syndrome

Question 26

You have entered a patient's room and explained that you need to draw blood, and the patient repeatedly refuses. What should you do?

Answer 26

notify the patients physician according to the institution's written policies.

Question 27

Which government agency is responsible for lab workplace safety?

Answer 27

OSHA

Question 28

What term is used to describe serum that is darker yellow than normal?

Answer 28

icteric

Question 29

Which test measures the level of bicarbonate in the blood?

Answer 29

HCO3

Question 30

In addition to standard precautions, what type of precautions should also be used for patien ts with such diseases as herpes or wound infections?

Answer 30

Contact

Question 31

When drawing blood, the usual standard of care is to perform a maximum oof how many unsuccessful punctures before calling for assistance?

Answer 31

Two

Question 32

for which test does a blood sample need to be collected in a prewarmed tube and kept at body temp. until delivered to the lab.

Answer 32

cold agglutinins

Question 33

how should blood be transferred from a syringe to a vacuum tube

Answer 33

activate the safety device on the needle, remove, and attach a needless transfer device to the syringe.

Question 34

Which of the following conditions might be treated with a therapeutic phlebotomy

Answer 34

polycythemia

Question 35

What does the term "liable" mean

Answer 35

legally responsible

Question 36

What color tube should be collected for a CBC

Answer 36

Lavander

Question 37

Values for which of the following are higher in patients living at a high altitudes

Answer 37

H&H Hematocrit and hemoglobin

Question 38

Which of the following is the first action you should take if you have been stuck with a used needle that has been in contact with blood

Answer 38

Flood the area with water

Question 39

How long should the heel of a neonate be warmed prior to a heel stick

Answer 39

3-5min

Question 40

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

Answer 40

examine the other arm for the vein

Question 41

Which of the following is not considered PHI

Answer 41

Accession Number

Question 42

HEPA (high-efficiency particulate air) filters can help to prevent which type of disease transmission?

Answer 42

Airborne

Question 43

Which of the following tubes should be drawn first?

Answer 43

Blood culture tubes

Question 44

Which artery is most commonly used for arterial blood gas collections

Answer 44

Radial

Question 45

Underfilled sodium citrate tubes

Answer 45

will results in erroneous testing errors due to excess anticoagulant

Question 46

How far from the puncture site should the tourniquet be placed?

Answer 46

3-4 inches above

Question 47

hemoconcentration can occur in which of the following situations?

Answer 47

the tourniquet was left on for 2 min.

Question 48

what are the proteins that help fight infection by binding to surface molecules of the infective agent

Answer 48

Antibody

Question 49

Most specimens collected for therapeutic drug monitoring are collected in a tube with what color stopper?

Answer 49

Red

Question 50

A duty associated with routine blood collection includes

Answer 50

transporting sample to the lab

Question 51

Which antiseptic may affect the results of test bilirubin, uric acid, potassium, and phosphorus from a dermal puncture and therefore should not be used on a dermal puncture

Answer 51

Povidone-iodine

Question 52

Which of the following tubes should be drawn first?

Answer 52

light blue

Question 53

Shaking a tube rather than gently inverting it can have what effect on the blood

Answer 53

Hemolysis

Question 54

What is the term for an increase in the ratio of formed elements to plasma

Answer 54

hemoconcentration

Question 55

what substance is produced when blood os collected in a tube, allowed to a clot, and then centrifuged?

Answer 55

serum

Question 56

which of the following can occur in a blood sample if a patient has been suffering from prolonged diarrhea or vomiting

Answer 56

hemoconcentration

Question 57

which suffix means "surgical removal"

Answer 57

-ectomy

Question 58

A phlebotomist is most responsible for controlling for which of the following types of variables in test results

Answer 58

preanalytic

Question 59

Which term refers to rapid, severe, life-threatening immune reaction?

Answer 59

anaphylaxis

Question 60

which of the following tubes should be drawn first Lavender Red Green Gray

Answer 60

red

Question 61

U.S law requires states to test for a minimum of two inherited conditions.What are the two conditions?

Answer 61

Hypothyroidism and PKU

Question 62

The term for an increase in the total number of RBCs

Answer 62

Polycythemia

Question 63

The term for the accumulation of interstitial fluid in tissues due to a blocked lymphatic vessel

Answer 63

lymphedema

Question 64

Which of the following is the most common type of vascular access device

Answer 64

Central venous line

Question 65

The "C" in the acronym RACE means

Answer 65

Confine

Question 66

Which of the following is the only tube that does not need to be inverted to mix after drawing

Answer 66

Red glaas

Question 67

In addition to the clinical lab which professional service in a hospital may perform arterial blood gases

Answer 67

respiratory therapy

Question 68

Which of the following is an appropriate dermal puncture site for adults

Answer 68

Ring finger, perpendicular to the ridges.

Question 69

A blood sample collected from a nonfasting patient may result in a plasma characteristic that is called what

Answer 69

Lipemia

Question 70

What is the most important concept in handling forensic blood specimens

Answer 70

Chain of custody

Question 71

An amniotic fluid specimen must be protected from which of the following

Answer 71

light

Question 72

which of the following actions is the first that should be taken immediately after withdrawing the needle from the patient

Answer 72

apply the pressure to the puncture cite

Question 73

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

Answer 73

1 min

Question 74

what the primary reason that blood collection for a child should kept as calm and comfortable as possible

Answer 74

prolonged crying can affect white blood cell counts and pH levels

Question 75

what specimen is collected to diagnose whooping cough and croup

Answer 75

Np swab

Question 76

the term for the hollow tube inside a needle's shaft

Answer 76

lumen

Question 77

A small blood spill from a specimen you are handling occurs on a lab countertop. What is the usual procedure you should use to handle the spill

Answer 77

wearing gloves and using 10% bleach as a disinfectant, clean -up visible blood first, then disinfectant the entire area of potential contamination.

Question 78

Plasma makes up approximately what percentage of whole blood in a healthy person?

Answer 78

55%

Question 79

which of the following is the most common gauge of butterfly needle

Answer 79

23

Question 80

Culture and sensitivity test are performed by which of the lab department

Answer 80

Microbiology

Question 81

what type of specimen is needed for a rapid strep test

Answer 81

throat swab

Question 82

wha t is the effect of dehydration on a patients test results

Answer 82

hemoconcentration

Question 83

a blood gas sample on ice cannot be used to test for what analyte due to the effect of lower temperature on a sample

Answer 83

potassium

Question 84

an analyte needs to be protected from light but you do not have any amber tubes. What is another way to protect the specimen

Answer 84

cover the specimen with aluminum foil.

Question 85

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

Answer 85

clean the site with betadine (provide-iodine) and perform a routine venipuncture

Question 86

a delay in reporting test results is considered what type of variable

Answer 86

postanalytic

Question 87

what is the approximate blood volume of an average 150-pound adult

Answer 87

5 liters

Question 88

when collecting blood from a vein in the back of the hand where should the tourniquet be placed

Answer 88

just above the wrist

Question 89

which PH value indicates acidosis

Answer 89

7.25

Question 90

An unjustifiable attempt to TOUCH another person can lead to what

Answer 90

Assault

Question 91

which of the following is the legal basis for most medical malpractice cases

Answer 91

unintentional tort

Question 92

Which of the following is the preferred collection site for lab testing of a patient at high risk for venous thrombosis

Answer 92

Dermal puncture

Question 93

what is the appropriate equipment selection when performing venipuncture on fragile easy to collapse venis

Answer 93

Needle and syringe set-up

Question 94

which suffix means "inflammation"

Answer 94

-itis