phlebotomy final exam

The smallest blood vessel in the body where gas exchange takes place is a (an)

Capillary

What is the lifespan of a mature RBC?

120 days

The process by which the body maintains a state of equilibrium is:

Homeostasis

when performing bleeding time, the blood pressure cuff should be inflated to

40 mm Hg

Which of the following is an accessory organ of the digestive system?

Liver

In which organ is insulin produced?

Pancreas

The normal composition of blood is approximate:

45% plasma, 55% formed elements

Blood from the body is returned to the heart by the __________.

veins

Name the three parts of the circulatory system.

Heart, Blood, blood vessels

Name six elements of the chain of infection.

Infectious agent, Reservoir, Exit pathway, Means of transmission, Entry pathway, Susceptible host

Name types of infection

bacteria, fungus, virus, protozoon, rickettsia

Name the two therapeutic types of phlebotomy.

Polycythemia, Hemochromatosis

______ is the rupture or destruction of red blood cells, which can occur if the venipuncture technique is incorrect or the blood is handled improperly.

Hemolysis

Name the five modes of infection transmission.

Airborne, Contact, Droplet, Vector, Vehicle

The ______ fossa, located on the anterior surface of the elbow, is a common site for venipuncture due to its easily accessible veins.

antecubital

A ______ is a localized collection of blood outside of a blood vessel, often caused by an injury to the vein during venipuncture.

hematoma

true or false: After drawing a blood specimen, it is acceptable to pour part of the sample into another tube only if they are the same colored tubes (ex: lavender tube into another lavender tube).

false

Hematology is

study of blood and blood disordered

The slanted tip of the needle that enters the vein is called the

bevel

true or false : A zone of comfort is an example of proxemics.

true

Which of the following is the reason for cleansing the first drop of blood in a dermal puncture?

To rid the specimen of fluid from tissue.

What does the phlebotomist look for when identifying a newborn?

The hospital identification number and the last name

Improper cleansing of a venipuncture site can cause:

Hematoma, Septicemia,Petechiae

The primary function of a red blood cell is:

Carry hemoglobin

The liquid portion of the blood is:

plasma

Hemostasis is

The ability of the blood to clot whenever necessary

Tubes containing additives should be inverted.

5-10 times

When a tourniquet is left on too tight, capillaries may rupture, causing.

Petechiae

The master gland is:

Pituitary

Homeostasis is:

The ability of the body to return to normal conditions under stress

When a patient has a highly contagious disease, he or she is placed in:

Reverse isolation

A patient who is known to have a transmissible blood disease is placed on:

Blood and body fluid precautions

An infection is:

The invasion and growth of a pathogen

The aorta is:

The major artery

The exchange of oxygen and carbon dioxide occurs in:

The capillaries

An SST (serum separator tube) tube contains the additive:

Clot activator

Thrombophlebitis is:

Inflammation of a vein with a clot

Veins that are hard and cord-like are called:

Thrombosed

The term that means the rupturing of red blood cells is:

Hemolysis

Which of the following is a safe area for infant heel puncture?

The medial plantar surface

The following test orders for different patients have been received at the same time. Which test would you collect first?

STAT glucose in the ER

The purpose of the Allen test is to:

Check for collateral circulation through the ulnar artery.

Which of the following would require the phlebotomist to use a HEPA respirator or N95 mask?

TB

The O & P test is requested on what type of specimen?

Ovary & Placenta

What happens if you mix the tubes vigorously?

Hemolysis

Breakage of red blood cells is called:

Hemolysis

The component of a cell that is water is called:

Cytoplasm

Which of the following is an example of proxemics?

zone of contact

When a pathogen surrounds and engulfs, the process is called:

Phagocytosis

Which blood vessels carry blood that is high in oxygen?

arteries