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