PHLEBOTOMY NATIONAL EXAM (NHA) Questions and Correct Solutions 2024

PHLEBOTOMY NATIONAL EXAM (NHA) Questions and Correct Solutions 2024 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