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PHLEBOTOMY NATIONAL EXAM (NHA) QUESTIONS AND ANSWERS
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PHLEBOTOMY NATIONAL EXAM (NHA) QUESTIONS AND ANSWERS
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PHLEBOTOMY NATIONAL EXAM (NHA)QUESTIONS AND 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
**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
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