CLS FINAL EXAM | CONTAINS VERIFIED
QUESTIONS AND ANSWERS WITH DETAILED
RATIONALES| UPDATED 2025| VERIFIED AND
GUARANTEED PASS
All of the followingaretrueof blood vessels EXCEPT:
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a) Arteriesarethick-walled, thestrongest typeofblood vessel ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
b) Veinscarrydeoxygenatedblood ‘ ‘ ‘
c) Thereareabout 10,000 miles ofblood vessels inan adult
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
d) Capillariesarethe smallest blood vessels -CORRECTANSWER C ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
Incardiopulmonarycirculation:
‘ ‘
a) blood is carriedfrom the heart tothe tissues
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
b) bloodcirculates from the heart to thelungs to the tissues
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
c) bloodcirculatesfromthehearttothelungswhereO2ispickedupbythebloodandCO2is released
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
d) blood is carriedfrom the heart to the tissues and back to theheart, providingO2 to the tissues
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
-CORRECTANSWERC
‘ ‘ ‘
Allof the followingstatements are trueof blood EXCEPT:
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a) it makes up 10%-15% of total bodyweight
‘ ‘ ‘ ‘ ‘ ‘ ‘
b) adultblood volumeis approximately5 liters
‘ ‘ ‘ ‘ ‘ ‘
c) itiscomposed offormed elements suspendedin a fluid called plasma
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
d) about50%-60%of blood volumeis plasma - CORRECTANSWERA
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
"Thick-walled,elastic,and muscular" describeswhich typeofblood vessel? ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
,a) capillaries
, b) arteries
c) veins
d) venules-CORRECTANSWER B ‘ ‘ ‘ ‘
Whichofthe followingaretrueofhemacytometer and cover glass EXCEPT:
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a) TheymustmeetNational InstituteofStandardsandTechnolody(NIST)standards.
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
b) Ifacertified hemacytometer isused,anycoverglass can be used.
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
c) Theymust bedisinfected afteruse. ‘ ‘ ‘ ‘ ‘
d) Theyshould be gentlywashed and dried to avoid scratches -CORRECTANSWER B
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
Whichofthe followingfunctions is carriedout by blood?
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a) Itdeliversnutrients and CO2 to thetissues
‘ ‘ ‘ ‘ ‘ ‘ ‘
b) Itregulatesbodytemperature
‘ ‘ ‘
c) Itdelivers O2 to the lungs and tissures.
‘ ‘ ‘ ‘ ‘ ‘ ‘
d) Noneof the above ‘ ‘ ‘
e) All of the above - CORRECTANSWER B
‘ ‘ ‘ ‘ ‘ ‘ ‘
Whichofthe followingstatements is trueof thehemacytometer?
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a) Whenviewed from the top, it hastwo polishedraised platforms
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
b) Thedepressions surroundingthe platforms arecalled ditches
‘ ‘ ‘ ‘ ‘ ‘ ‘
c) Thedepressions surroundingthe platforms form the letter I
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
d) All of the above ‘ ‘ ‘
E) Noneof the above - CORRECTANSWERA ‘ ‘ ‘ ‘ ‘ ‘ ‘
Whichofthe followingstatements is trueof hemacytometers?
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a) thecover glass coversoneside at a time
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
b) thecover glass regulates the depthof thefluid
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
QUESTIONS AND ANSWERS WITH DETAILED
RATIONALES| UPDATED 2025| VERIFIED AND
GUARANTEED PASS
All of the followingaretrueof blood vessels EXCEPT:
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a) Arteriesarethick-walled, thestrongest typeofblood vessel ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
b) Veinscarrydeoxygenatedblood ‘ ‘ ‘
c) Thereareabout 10,000 miles ofblood vessels inan adult
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
d) Capillariesarethe smallest blood vessels -CORRECTANSWER C ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
Incardiopulmonarycirculation:
‘ ‘
a) blood is carriedfrom the heart tothe tissues
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
b) bloodcirculates from the heart to thelungs to the tissues
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
c) bloodcirculatesfromthehearttothelungswhereO2ispickedupbythebloodandCO2is released
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
d) blood is carriedfrom the heart to the tissues and back to theheart, providingO2 to the tissues
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
-CORRECTANSWERC
‘ ‘ ‘
Allof the followingstatements are trueof blood EXCEPT:
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a) it makes up 10%-15% of total bodyweight
‘ ‘ ‘ ‘ ‘ ‘ ‘
b) adultblood volumeis approximately5 liters
‘ ‘ ‘ ‘ ‘ ‘
c) itiscomposed offormed elements suspendedin a fluid called plasma
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
d) about50%-60%of blood volumeis plasma - CORRECTANSWERA
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
"Thick-walled,elastic,and muscular" describeswhich typeofblood vessel? ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
,a) capillaries
, b) arteries
c) veins
d) venules-CORRECTANSWER B ‘ ‘ ‘ ‘
Whichofthe followingaretrueofhemacytometer and cover glass EXCEPT:
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a) TheymustmeetNational InstituteofStandardsandTechnolody(NIST)standards.
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
b) Ifacertified hemacytometer isused,anycoverglass can be used.
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
c) Theymust bedisinfected afteruse. ‘ ‘ ‘ ‘ ‘
d) Theyshould be gentlywashed and dried to avoid scratches -CORRECTANSWER B
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
Whichofthe followingfunctions is carriedout by blood?
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a) Itdeliversnutrients and CO2 to thetissues
‘ ‘ ‘ ‘ ‘ ‘ ‘
b) Itregulatesbodytemperature
‘ ‘ ‘
c) Itdelivers O2 to the lungs and tissures.
‘ ‘ ‘ ‘ ‘ ‘ ‘
d) Noneof the above ‘ ‘ ‘
e) All of the above - CORRECTANSWER B
‘ ‘ ‘ ‘ ‘ ‘ ‘
Whichofthe followingstatements is trueof thehemacytometer?
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a) Whenviewed from the top, it hastwo polishedraised platforms
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
b) Thedepressions surroundingthe platforms arecalled ditches
‘ ‘ ‘ ‘ ‘ ‘ ‘
c) Thedepressions surroundingthe platforms form the letter I
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
d) All of the above ‘ ‘ ‘
E) Noneof the above - CORRECTANSWERA ‘ ‘ ‘ ‘ ‘ ‘ ‘
Whichofthe followingstatements is trueof hemacytometers?
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a) thecover glass coversoneside at a time
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
b) thecover glass regulates the depthof thefluid
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
