Phlebotomy National Exam (Nha) Questions With 100% Correct Answers | Expert Verified | Updated 2025/2026

Phlebotomy National Exam (Nha) Questions With 100% Correct Answers | Expert Verified | Updated 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 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 RIGHTpulmonic 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 - answerdeoxygenated & back to The average adult has ______ liters of blood - answer-5-6