Phlebotomy ncct review

10mL is the same as?

10cc

The life span of the red blood cell is approximately?

120 days

Through which size needle will blood flow the fastest?

20

The common needle gauges used for drawing blood with an evacuated system are?

20, 21, or 22 gauge

Which bore (diameter) of the needle is the smallest?

23-gauge needle

The formed elements make up about_____ percent of the whole blood volume

45%

What disease is NOT a vaccine-preventable disease?

AIDS

According to Standard Precautions, blood and body fluids from which group are considered biohazardous?

ALL blood and body fluids

The most common source of laboratory error is:

Administrative

A geriatric patient is:

An elderly patient

The process of using simple substances to build more complex substances is called?

Anabolism

Which blood vessels generally carry blood that is high in oxygen?

Arteries

Which type of muscle makes up the muscles of the body?

Cardiac, skeletal, and smooth

The function of the erythrocyte (Red Blood Cell) is to

Carry oxygen

The process of producing energy by breaking down complex compounds is?

Catabolism

What is the type of phlebotomy where the phlebotomist is part of the laboratory team and is dispatched to the nursing units from the laboratory?

Centralized phlebotomy

Aerosols can be produced by:

Centrifuging open serum tubes, popping the top off blood tubes, and pouring off a serum samples

If the blood is drawn too quickly from a vein, the vein will have a tendency to?

Collapse

Which statement is true about arterial punctures?

Collateral circulation should be checked before drawing, Heparin is the anticoagulant of choice, and the site must be held at least 5 minutes after completing the puncture

Phlebotomists often have many duties and tasks. Which is the primary duty?

Collecting venous blood samples

Which is the organization that does quality checks of the laboratory through surveys and samples?

College of American Pathologists (CAP)

What supports and connects organs and tissues?

Connective tissue

Which is a quality assurance plan that not only aims to meet minimum standards, but also seeks to constantly improve performance?

Continuous quality improvement

What laboratory department does the Pap test?

Cytology

The layer of the integumentary system that contains the blood system is the?

Dermis

The most common disorder of the endocrine system is

Diabetes

According to Standard Precautions, all used needles are to be disposed of in the following manner:

Discarded intact

Gloves should be worn:

During ALL venipunctures and capillary punctures

The anticoagulant preferred for hematology testing is?

EDTA

Which anticoagulant prevents coagulation of blood by removing calcium through the formation of insoluble calcium salt?

EDTA, Oxalate, and Lithium heparin

A person who has a buildup of fluids in their entire body is known to be:

Edematous

Under which of the following conditions would you avoid a site for a venipuncture?

Edematous arm, arm with IV, and a hematoma

The channel for transporting material in and out of the nucleus is the?

Endoplasmic Reticulum

The tissue that protects the body by covering internal and external surfaces is?

Epithelial tissue

You are preparing to draw blood for multiple tests in several tubes. The best and most cost-efficient technique would be?

Evacuated tube system

Which arteries are least suitable for drawing blood gases?

Femoral

The function of the leukocytes is to

Fight infection

Standard Precautions state that if there is a possibility of coming into contact with a patient's blood, or any other body fluid, you must wear?

Gloves

Which of the following is NOT classified as a personal protective equipment (PPE).

HBV Vaccine

The single most important way to prevent the spread of infection in a hospital or other health care facility is:

Handwashing

The tricuspid and bicuspid valves are associated with the?

Heart

The hematocrit test is performed in what department of the laboratory?

Hematology

What is the substance in erythrocytes that carries oxygen?

Hemoglobin

An arterial puncture is more likely to result in a hematoma than a venipuncture is because of?

Higher pressure in the arteries

When the body systems work together to form a steady state, it is referred to as?

Homeostasis

The name given to an infection that a patient acquires 48 hours or more after admission to a hospital is:

Hospital Acquired (Nosocomial)

When drawing blood samples, which of the following should be performed first?

Identify the patient

What laboratory department tests a type and cross-match?

Immunohematology

The process in which oxygen-rich blood diffuses into tissue cells is?

Internal Respiration

Lymph fluid is also called?

Interstitial

Handwashing:

Is the best way to prevent the spread of infection

The buffy coat consists of

Leukocytes and thrombocytes

Blood is needed for routine bleeding and coagulation studies (PT, PTT). Which color tube top is to be used

Light blue

The unit of liquid volume in the metric system is the?

Liter

The cell structure that digests enzymes and breaks down cellular components is the?

Lysosomes

The process of making substances or breaking down substances so that the body can functions is?

Metabolism

The system responsible for body movement is?

Muscle

What happens when a coronary artery becomes occluded?

Myocardial infarction

What hospital department cares for newborn infants?

Neonatal

What hospital department cares for patients with cancer?

Nephrology

A potential source of infectious material from a patient in protective isolation includes:

None (The phlebotomist is considered a potential source of infection to the patient)

The part of the cell that controls the activities of the cell (brain of the cell) is the:

Nucleus

Where in a hospital would you find a patient in labor for childbirth?

Obstetrics

Where in a hospital would you find a patient with broken bones?

Orthopedics

Which laboratory employee has the most education and is usually a consultant to other physicians?

Pathologist

Perhaps the single most important step in phlebotomy, and often where an error occurs, is:

Patient identification

When a patient has had a mastectomy, venipuncture should be avoided on the affected side because?

Patient is more susceptible to infection

A patient has a negative Allen test. What should you do?

Perform the Allen test on the other arm

The study of the function of each body part and how the functions coordinate is called?

Physiology

The fluid portion of anticoagulated whole blood that contains fibrinogen is called the?

Plasma

What is the difference between plasma and serum?

Plasma contains fibrinogen, serum does not

The formed elements of blood found inside a tube drawn with an anticoagulant are

Plasma, buffy coat, and erythrocytes

Which cell contributes most to blood clotting?

Platelets

Therapeutic phlebotomy is performed as a treatment for patients with:

Polycythemia Vera

The primary purpose of infection control is:

Prevent the spread of communicable disease within health care facilities

The anticoagulant heparin is used for blood gases and other chemistry tests. It works by?

Preventing the conversion of prothrombin to thrombin

The axial skeleton is responsible or located in

Protection to parts of the body

What does NOT carry oxygenated blood

Pulmonary artery

Blood flows from the right atrium into the right ventricle. From this point, it is pumped through the?

Pulmonary artery to the lungs

The ventricles of the heart are principally responsible to

Pumping blood

The artery that lies on the thumb side of the wrist is the?

Radial

When serum is needed for testing which tube listed should be used?

Red

Phlebotomists are an important part of the health care team because they

Represent the laboratory and the institution, are in direct contact with the patient, and perform tasks that are critical to the patient's diagnosis

In general, a syringe is used when drawing specimens and/or patients EXCEPT for?

Requests for multiple testing, requiring different anticoagulants and multiple tubes

An unexpected occurrence in a health care facility that involves death or serious psychological injury is

Sentinel Event

Anatomy is the study of the:

Shape and structure of the body

The bevel of the needle

Should always be facing up when inserted into the skin

Where does the electrical impulse start in the heart?

Sinoatrial node

Which is referred to as the pacemaker of the heart?

Sinoatrial node

The gauge of the needle indicates the following relationship: the larger the gauge number, the:

Smaller the diameter of the bore

Unoxygenated blood from the head and neck region returns to the heart via?

Superior vena cava

What is the function of the coronary arteries?

They supply oxygenated blood to the heart muscles

Why does the left ventricle of the heart have such a thick muscular wall?

To pump blood to all parts of the body

The main function of the circulatory system is to provide

Transportation

When a patient refuses to have blood drawn, the phlebotomist should do all of the following EXCEPT

Try to convince the patient to have blood drawn

Which disease requires the use of respiratory (airborne) precautions?

Tuberculosis

Skeletal muscle is also known as?

Voluntary

Five components that are found in a CBC with diff. are?

WBC, RBC, Hemoglobin, Hematocrit, Differential

What should you do if you accidentally stick yourself with a contaminated needle?

Wash your hands and clean and bandage the puncture site. Record the patient's name and ID number, report the incident to your supervisor, and fill out an incident report

What is the primary source of information when labeling a patient sample in the hospital?

Wristband and patient verification of name