PHLEBOTOMY NATIONAL EXAM (NHA) QUESTIONS AND
ANSWERS #4
Characteristics imperative to a phlebotomist - correct answer Dependability, honesty,
integrity, empathy and compassion, professional appearance, interpersonal skills
Circulatory system function - correct answer deliver oxygen, nutrients, hormones, &
enzymes to cells and transport cellular waste (CO2) to organs where they can be
expelled
The two circulations - correct answer Pulmonary & Systemic
Pulmonary circulation - correct 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? - correct answer alveoli
Systemic circulation - correct answer carries oxygenated blood from left ventricle
throughout the body
Upper chambers of the heart - correct answer right and left atria
Lower chambers of the heart - correct answer right and left ventricle
Tricuspid valve - correct 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 - correct answer semi-lunar valve situated between the right ventricle
and the pulmonary artery
Mitral valve (or bicuspid) - correct answer atrioventricular valve located between the left
atrium and left ventricle
Aortic valve - correct answer semi lunar valve situated between the left ventricle and
aorta
Flow of blood through the heart - correct 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 - correct answer Endocardium, myocardium, epicardium
Blood vessels - correct answer arteries, arterioles, capillaries, venules, veins, superior &
inferior vena cavae
, Aorta, arteries, and arterioles carry_____ blood _______ the heart - correct answer
oxygenated & away from
Venules, veins, and superior and inferior vena cave carry _____ blood ________ the
heart - correct answer deoxygenated & back to
The average adult has ______ liters of blood - correct answer 5-6
Plasma comprises how much of circulating blood? - correct answer 55%
Plasma contains.... - correct answer proteins, amino acids, gases, electrolytes, sugars,
hormones, minerals, vitamins, and water
What percent of plasma is water? - correct answer 92%
Formed elements comprise what percent of circulating blood? - correct answer 45%
Another name for red blood cells... - correct answer Erythrocytes
What makes up the formed elements? - correct answer Red blood cells, White blood
cells, and platelets
Another name for white blood cells... - correct answer leukocytes
Another name for platelets... - correct answer thrombocytes
What comprises 99% of the formed elements? - correct answer red blood cells
(erythrocytes)
Where do blood cells originate? - correct answer stem cells in bone marrow
How many rbcs are in a microliter of blood? - correct answer 4.2 to 6.2 million
Normal life span of an RBS is... - correct answer 120 days
Function of a leukocyte - correct answer provide the body protection against infection
Amount of wbcs per microliter of blood - correct answer 5,000-10,000
Leukocytosis - correct answer increase in wbcs
Leukocytosis is seen when? - correct answer cases of infection and leukemia
Leukopenia - correct answer decrease in wbcs
ANSWERS #4
Characteristics imperative to a phlebotomist - correct answer Dependability, honesty,
integrity, empathy and compassion, professional appearance, interpersonal skills
Circulatory system function - correct answer deliver oxygen, nutrients, hormones, &
enzymes to cells and transport cellular waste (CO2) to organs where they can be
expelled
The two circulations - correct answer Pulmonary & Systemic
Pulmonary circulation - correct 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? - correct answer alveoli
Systemic circulation - correct answer carries oxygenated blood from left ventricle
throughout the body
Upper chambers of the heart - correct answer right and left atria
Lower chambers of the heart - correct answer right and left ventricle
Tricuspid valve - correct 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 - correct answer semi-lunar valve situated between the right ventricle
and the pulmonary artery
Mitral valve (or bicuspid) - correct answer atrioventricular valve located between the left
atrium and left ventricle
Aortic valve - correct answer semi lunar valve situated between the left ventricle and
aorta
Flow of blood through the heart - correct 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 - correct answer Endocardium, myocardium, epicardium
Blood vessels - correct answer arteries, arterioles, capillaries, venules, veins, superior &
inferior vena cavae
, Aorta, arteries, and arterioles carry_____ blood _______ the heart - correct answer
oxygenated & away from
Venules, veins, and superior and inferior vena cave carry _____ blood ________ the
heart - correct answer deoxygenated & back to
The average adult has ______ liters of blood - correct answer 5-6
Plasma comprises how much of circulating blood? - correct answer 55%
Plasma contains.... - correct answer proteins, amino acids, gases, electrolytes, sugars,
hormones, minerals, vitamins, and water
What percent of plasma is water? - correct answer 92%
Formed elements comprise what percent of circulating blood? - correct answer 45%
Another name for red blood cells... - correct answer Erythrocytes
What makes up the formed elements? - correct answer Red blood cells, White blood
cells, and platelets
Another name for white blood cells... - correct answer leukocytes
Another name for platelets... - correct answer thrombocytes
What comprises 99% of the formed elements? - correct answer red blood cells
(erythrocytes)
Where do blood cells originate? - correct answer stem cells in bone marrow
How many rbcs are in a microliter of blood? - correct answer 4.2 to 6.2 million
Normal life span of an RBS is... - correct answer 120 days
Function of a leukocyte - correct answer provide the body protection against infection
Amount of wbcs per microliter of blood - correct answer 5,000-10,000
Leukocytosis - correct answer increase in wbcs
Leukocytosis is seen when? - correct answer cases of infection and leukemia
Leukopenia - correct answer decrease in wbcs
