1|Page
PHLEBOTOMY NATIONAL EXAM (NHA) Questions
with 100% Verified Answers 2025 | 2026
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
,2|Page
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
, 3|Page
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
PHLEBOTOMY NATIONAL EXAM (NHA) Questions
with 100% Verified Answers 2025 | 2026
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
,2|Page
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
, 3|Page
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
