PHLEBOTOMY NATIONAL EXAM (NHA) QUESTIONS
Characteristics imperative to a phlebotomist - Answer -Dependability, honesty, integrity,
empathy and compassion, professional appearance, interpersonal skills
Circulatory system function - Answer -deliver oxygen, nutrients, hormones, & enzymes
to cells and transport cellular waste (CO2) to organs where they can be expelled
The two circulations - Answer -Pulmonary & Systemic
Pulmonary circulation - Answer -carries deoxygenated blood from the right ventricle to
the lungs and returns oxygenated blood from lungs to left atrium
Where does oxygenation take place in the lungs? - Answer -alveoli
Systemic circulation - Answer -carries oxygenated blood from left ventricle throughout
the body
Upper chambers of the heart - Answer -right and left atria
lower chambers of the heart - Answer -right and left ventricle
tricuspid valve - Answer -atrioventricular valve, situated between right atrium and right
ventricle
**to remember this valve is on the right side of the heart-- people TRY to be RIGHT
pulmonic valve - Answer -semi-lunar valve situated between the right ventricle and the
pulmonary artery
Mitral valve (or bicuspid) - Answer -atrioventricular valve located between the left
atrium and left ventricle
aortic valve - Answer -semi lunar valve situated between the left ventricle and aorta
Flow of blood through the heart - Answer -Superior and Inferior Vena Cavae< Right
atrium< tricuspid valve< right ventricle< pulmonic valve< pulmonary artery< lungs<
pulmonary vein< left atrium< mitral (bicuspid) valve< left ventricle< aorta< rest of body
Three layers of the heart - Answer -Endocardium, myocardium, epicardium
Blood vessels - Answer -arteries, arterioles, capillaries, venules, veins, superior &
inferior vena cavae
aorta, arteries, and arterioles carry_____ blood _______ the heart - Answer -
oxygenated & away from
, venules, veins, and superior and inferior vena cave carry _____ blood ________ the
heart - Answer -deoxygenated & back to
The average adult has ______ liters of blood - Answer -5-6
Plasma comprises how much of circulating blood? - Answer -55%
Plasma contains.... - Answer -proteins, amino acids, gases, electrolytes, sugars,
hormones, minerals, vitamins, and water
What percent of plasma is water? - Answer -92%
Formed elements comprise what percent of circulating blood? - Answer -45%
another name for red blood cells... - Answer -Erythrocytes
What makes up the formed elements? - Answer -Red blood cells, White blood cells,
and platelets
Another name for white blood cells... - Answer -leukocytes
another name for platelets... - Answer -thrombocytes
What comprises 99% of the formed elements? - Answer -red blood cells (erythrocytes)
Where do blood cells originate? - Answer -stem cells in bone marrow
How many RBCs are in a microliter of blood? - Answer -4.2 to 6.2 million
Normal life span of an RBS is... - Answer -120 days
Function of a leukocyte - Answer -provide the body protection against infection
Amount of WBCs per microliter of blood - Answer -5,000-10,000
leukocytosis - Answer -increase in WBCs
leukocytosis is seen when? - Answer -cases of infection and leukemia
leukopenia - Answer -decrease in WBCs
leukopenia is seen when? - Answer -viral infections or chemotherapy
Five types of WBCs - Answer -neutrophils, lymphocytes, monocytes, eosinophils,
basophils
Characteristics imperative to a phlebotomist - Answer -Dependability, honesty, integrity,
empathy and compassion, professional appearance, interpersonal skills
Circulatory system function - Answer -deliver oxygen, nutrients, hormones, & enzymes
to cells and transport cellular waste (CO2) to organs where they can be expelled
The two circulations - Answer -Pulmonary & Systemic
Pulmonary circulation - Answer -carries deoxygenated blood from the right ventricle to
the lungs and returns oxygenated blood from lungs to left atrium
Where does oxygenation take place in the lungs? - Answer -alveoli
Systemic circulation - Answer -carries oxygenated blood from left ventricle throughout
the body
Upper chambers of the heart - Answer -right and left atria
lower chambers of the heart - Answer -right and left ventricle
tricuspid valve - Answer -atrioventricular valve, situated between right atrium and right
ventricle
**to remember this valve is on the right side of the heart-- people TRY to be RIGHT
pulmonic valve - Answer -semi-lunar valve situated between the right ventricle and the
pulmonary artery
Mitral valve (or bicuspid) - Answer -atrioventricular valve located between the left
atrium and left ventricle
aortic valve - Answer -semi lunar valve situated between the left ventricle and aorta
Flow of blood through the heart - Answer -Superior and Inferior Vena Cavae< Right
atrium< tricuspid valve< right ventricle< pulmonic valve< pulmonary artery< lungs<
pulmonary vein< left atrium< mitral (bicuspid) valve< left ventricle< aorta< rest of body
Three layers of the heart - Answer -Endocardium, myocardium, epicardium
Blood vessels - Answer -arteries, arterioles, capillaries, venules, veins, superior &
inferior vena cavae
aorta, arteries, and arterioles carry_____ blood _______ the heart - Answer -
oxygenated & away from
, venules, veins, and superior and inferior vena cave carry _____ blood ________ the
heart - Answer -deoxygenated & back to
The average adult has ______ liters of blood - Answer -5-6
Plasma comprises how much of circulating blood? - Answer -55%
Plasma contains.... - Answer -proteins, amino acids, gases, electrolytes, sugars,
hormones, minerals, vitamins, and water
What percent of plasma is water? - Answer -92%
Formed elements comprise what percent of circulating blood? - Answer -45%
another name for red blood cells... - Answer -Erythrocytes
What makes up the formed elements? - Answer -Red blood cells, White blood cells,
and platelets
Another name for white blood cells... - Answer -leukocytes
another name for platelets... - Answer -thrombocytes
What comprises 99% of the formed elements? - Answer -red blood cells (erythrocytes)
Where do blood cells originate? - Answer -stem cells in bone marrow
How many RBCs are in a microliter of blood? - Answer -4.2 to 6.2 million
Normal life span of an RBS is... - Answer -120 days
Function of a leukocyte - Answer -provide the body protection against infection
Amount of WBCs per microliter of blood - Answer -5,000-10,000
leukocytosis - Answer -increase in WBCs
leukocytosis is seen when? - Answer -cases of infection and leukemia
leukopenia - Answer -decrease in WBCs
leukopenia is seen when? - Answer -viral infections or chemotherapy
Five types of WBCs - Answer -neutrophils, lymphocytes, monocytes, eosinophils,
basophils
