1
PHLEBOTOMY NATIONAL EXAM
(NHA) QUESTIONS WITH
SOLUTIONS 2026
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
, 2
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
, 3
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
PHLEBOTOMY NATIONAL EXAM
(NHA) QUESTIONS WITH
SOLUTIONS 2026
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
, 2
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
, 3
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
