Phlebotomy State Practice Test #3

If you are trying to stop the bleeding from a needle stick, which of the following is the best technique?

direct pressure

Which of the following is a test used to monitor heparin levels?

ACT

Which of the following is the deepest layer of the epidermis?

stratum basale

The area of a blood smear that is tested is called the _____.

feather

Which of the following matches the definition: excessive RBC production?

polycythemia

Which of the following is the maximum recommended depth of a heel puncture according to the NCCLS?

2.0 mm

PKU Tests are most commonly performed with ___.

Skin puncture blood

Which of the following terms matches the definition: winged infusion set?

Butterfly needle

Which of the following is identified by the acronym (CPD)?

citrate phosphate dextrose

According to the Zone of Comfort, if you are standing 3 feet from a person you are within ____.

personal distance

What kind of valve is the tricuspid valve?

atrioventricle

The pulmonic valve is situated between

right ventricle and pulmonary artery

Endocardium is which layer of the heart.

inner

The myocardium is the layer of the heart that is made of ___________

muscle

Which layer of the heart is the eipcardium?

outer

What kind of blood do arteries and arterioles carry?

oxygenated

What percentage of the blood is made up of formed elements?

45%

What percentage of formed elements is erythrocytes?

90%

What is the oxygen carrying protein in erythrocytes?

hemoglobin

Where do blood cells originate?

bone marrow

How many liters of blood does the average adult have?

5-6 liters

What is the normal life span of a RBC?

120 days

What is the liquid portion of blood called?

plasma

What is the function of a leukocyte?

protect from infection

What is a condition that could cause leukopenia?

How many types of leukocytes are in blood?

5

Which WBC comprises 40%-60% of the white blood cells?

neutrophils

20%-40% of WBC are comprised of _______________.

lymphocytes

Which WBC carries histamine?

basophils

Another name for thrombocytes is

platelets

Hemostasis is defined as

stoppage of blood

The first phase of hemostasis is

vascular spasm

The test used to evaluate intrinsic pathway is called

aPTT

The break down and removal of a clot in the hemostasis process is

fibrinolysis

What is the preferred site for venipuncture?

antecubital fossa

You are asked to draw for reticulocyte Count, what tube do you use?

lavender

What are other words for Systolic and Diastolic?

Contraction & relaxation

Accumulation of fluid in the tissues.

edema

Blood types are determined by the presence or absence of which of the following on RBCs.

antigens

Another name for blood in the urine:

hematuria

Contact, droplet and airborne are

Modes of transmission

Permanent surgical connection between an artery and a vein.

fistula

What is the size (in inches) of the needle routinely used for venipuncture?

1-1.5 inches

When you explain the venipuncture procedure to the patient and they agree to the test it is called

informed consent

Which body plane divides the body in equal portions?

midsagittal

Which blood vessel is NOT part of systemic circulation?

pulmonary artery

The relaxing phase of the cardiac cycle is:bradycardia

diastole

The break down and removal of a clot in the hemostasis process is

fibrinolysis

What part of the infant is a PKU test performed on?

heel

What is the most important step in preventing infections?

handwashing

Which represents the proper order of blood flow?

From arterioles to capillaries to venules

Which WBC comprises 40%-60% of the white blood cells?

neutrophils

A clean catch test is collected in a

In a sterile cup

Fluid aspirated from the peritoneal cavity.

ascites

What are the 3 components of a urinalysis?

Physical, chemical, microscopic exams

If a patient refuses treatment you should

tell your supervisor

Which tube does not contain EDTA?

Mottled green and gray topped tubes

Which vein in the antecubital fossa is usually easiest to palpate in an obese patient?

cephalic

The most common complication of phlebotomy.

hematoma

Direct contact transmission is defined as

skin to skin

Sputum is collected to diagnose

tuberculosis (TB)

Which additive is usually in a lavender tube?

EDTA

The ability of the body to achieve "steady state".

homeostasis

Which test requires a 24 hour urine specimen?

creatinine clearance

Bacteria and parasites belong to which type of hazard?

Biologic

The heart disorder characterized by fluid buildup in the lungs

congestive heart failure

The pulmonic valve is situated between

right ventricle and pulmonary artery

Which test may require a chain of custody?

Drug screen

Which tube contains sodium citrate?

light blue

What is the function of a leukocyte?

protect from infection

When serum is _________ it is a clue that the patient is not fasting.

Lipemic

A patient in the Oncology Dept. is probably being treated for

cancer

This organization develops standards for specimen handling and processing

CLSI - Clinical Laboratory Science Institute

How many inches above the site should the tourniquet be tied?

3-4 inches

Blood cultures are used to diagnose

FUO (fever of unknown origin)

Which WBC carries histamine?

basophils

Which tube is used for PTT?

light blue

The most important step in a routine venipuncture

Identify the patient

Which tube would you use to measure lactic acid?

gray

Which layer of the heart is the eipcardium?

outer

The hormone detected in a positive pregnancy test is

hCG

Which of the following specimens are least likely to require special handling?

Cholesterol and Uric Acid

In therapeutic blood monitoring, the trough levels are tested

30 minutes BEFORE the scheduled dose.

The purpose of an antiglycolotic agent is

preserve glucose

Collecting urine by aspiration through the bladder wall

suprapubic

A pad used to correct the patient's clothing.

Chux

What is the preferred antiseptic for venipuncture?

isopropyl alcohol

Light blue tubes must be ____ full.

completely

All patients are presumed to be infectious for

Blood borne pathogens

Which of the following veins in the arm are most subjected to venipuncture?

median cubital

A red top tube is usualy drawn for which lab department?

chemistry

Another name for RBC's:

erythrocytes

Which would be considered a post-analytical error?

Improper use of serum separator

How many times should a light-blue tube be inverted?

3-4 times

If the patient continues to bleed after 8 minutes of pressure you should

call for help

Endocardium is which layer of the heart?

inner

Which WBC comprises 40%-60% of the white blood cells?

neutrophils

Sodium fluoride preserves glucose for how many days?

3 days (72hrs)

At what intervals should blood be blotted during a bleeding time test?

30 seconds

POC testing is done

At the patient's bed