CLS FINAL EXAM | CONTAINS VERIFIED QUESTIONS AND ANSWERS WITH DETAILED RATIONALES| UPDATED 2025| VERIFIED AND GUARANTEED PASS

CLS FINAL EXAM | CONTAINS VERIFIED
QUESTIONS AND ANSWERS WITH DETAILED
RATIONALES| UPDATED 2025| VERIFIED AND
GUARANTEED PASS

All of the following are true of blood vessels EXCEPT:
C C C C C C C C C




a) Arteries are thick-walled, the strongest type of blood vessel
C C C C C C C C




b) Veins carry deoxygenated blood
C C C




c) There are about 10,000 miles of blood vessels in an adult
C C C C C C C C C C




d) Capillaries are the smallest blood vessels - CORRECT ANSWER C
C C C C C C C C C




In cardiopulmonary circulation:
C C




a) blood is carried from the heart to the tissues
C C C C C C C C




b) blood circulates from the heart to the lungs to the tissues
C C C C C C C C C C




c) blood circulates from the heart to the lungs where O2 is picked up by the blood and CO2 is
C C C C C C C C C C C C C C C C C C




released
C




d) blood is carried from the heart to the tissues and back to the heart, providing O2 to the tissues
C C C C C C C C C C C C C C C C C C




- CORRECTANSWER C
C C C




All of the following statements are true of blood EXCEPT:
C C C C C C C C C




a) it makes up 10%-15% of total body weight
C C C C C C C




b) adult blood volume is approximately 5 liters
C C C C C C




c) it is composed of formed elements suspended in a fluid called plasma
C C C C C C C C C C C




d) about 50%-60% of blood volume is plasma - CORRECTANSWER A
C C C C C C C C C C




"Thick-walled, elastic, and muscular" describes which type of blood vessel?
C C C C C C C C C

,a) capillaries

, b) arteries

c) veins

d) venules - CORRECT ANSWER B C C C C




Which of the following are true of hemacytometer and cover glass EXCEPT:
C C C C C C C C C C C




a) They must meet National Institute of Standards and Technolody (NIST) standards.
C C C C C C C C C C




b) If a certified hemacytometer is used, any cover glass can be used.
C C C C C C C C C C C




c) They must be disinfected after use.
C C C C C




d) They should be gently washed and dried to avoid scratches - CORRECT ANSWER B
C C C C C C C C C C C C C




Which of the following functions is carried out by blood?
C C C C C C C C C




a) It delivers nutrients and CO2 to the tissues
C C C C C C C




b) It regulates body temperature
C C C




c) It delivers O2 to the lungs and tissures.
C C C C C C C




d) None of the above C C C




e) All of the above - CORRECTANSWER B
C C C C C C C




Which of the following statements is true of the hemacytometer?
C C C C C C C C C




a) When viewed from the top, it has two polished raised platforms
C C C C C C C C C C




b) The depressions surrounding the platforms are called ditches
C C C C C C C




c) The depressions surrounding the platforms form the letter I
C C C C C C C C




d) All of the above
C C C




E) None of the above - CORRECTANSWER A
C C C C C C C




Which of the following statements is true of hemacytometers?
C C C C C C C C




a) the cover glass covers one side at a time
C C C C C C C C




b) the cover glass regulates the depth of the fluid
C C C C C C C C