©SIRJOEL EXAM SOLUTIONS
10/7/2024 11:03AM
PHLEBOTOMY NATIONAL EXAM (NHA)
Exam Questions With Correct Answers
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
, ©SIRJOEL EXAM SOLUTIONS
10/7/2024 11:03AM
**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
, ©SIRJOEL EXAM SOLUTIONS
10/7/2024 11:03AM
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
10/7/2024 11:03AM
PHLEBOTOMY NATIONAL EXAM (NHA)
Exam Questions With Correct Answers
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
, ©SIRJOEL EXAM SOLUTIONS
10/7/2024 11:03AM
**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
, ©SIRJOEL EXAM SOLUTIONS
10/7/2024 11:03AM
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
