PHLEBOTOMY NATIONAL EXAM (NHA) QUESTIONS WITH ACCURATE SOLUTIONS

PHLEBOTOMY NATIONAL EXAM
(NHA) QUESTIONS WITH ACCURATE
SOLUTIONS
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



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 |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



What |percent |of |plasma |is |water? |- |CORRECT |ANSWER✔✔-92%



Formed |elements |comprise |what |percent |of |circulating |blood? |- |CORRECT |ANSWER✔✔-45%



another |name |for |red |blood |cells... |- |CORRECT |ANSWER✔✔-Erythrocytes



What |makes |up |the |formed |elements? |- |CORRECT |ANSWER✔✔-Red |blood |cells, |White |blood |
cells, |and |platelets



Another |name |for |white |blood |cells... |- |CORRECT |ANSWER✔✔-leukocytes



another |name |for |platelets... |- |CORRECT |ANSWER✔✔-thrombocytes



What |comprises |99% |of |the |formed |elements? |- |CORRECT |ANSWER✔✔-red |blood |cells |
(erythrocytes)



Where |do |blood |cells |originate? |- |CORRECT |ANSWER✔✔-stem |cells |in |bone |marrow



How |many |RBCs |are |in |a |microliter |of |blood? |- |CORRECT |ANSWER✔✔-4.2 |to |6.2 |million



Normal |life |span |of |an |RBS |is... |- |CORRECT |ANSWER✔✔-120 |days



Function |of |a |leukocyte |- |CORRECT |ANSWER✔✔-provide |the |body |protection |against |infection