MLPAO Review Questions and Answers with complete
solution 2025/2026
What is the purpose of sterilization indicators:
a. to check against improper wrapping of articles
b. to check for improper loading of the autoclave
c. to check for the presence of air in the autoclave
d. to check to make sure the autoclave is working properly
e. all of the above - ANSWERS-d. to check to make sure the autoclave is working
properly
Where should Sterilometer strips be positioned:
a. on the bottom shelf of the autoclave
b. in close proximity to the aur exhaust valve
c. in the center of each article
d. on the outside of each pack - ANSWERS-c. in the center of each article
The most reliable sterilization indicators check for:
a. the attainment of the proper temperature and the duration of the temperature
b. whether the article has been autoclaved or not
c. the attainment of the proper temperature and pressure
d. the presence of trapped air in the autoclave - ANSWERS-c. the attainment of the
proper temperature and pressure
Autoclave tape:
a. assures whether or not sterilization has taken place
b. indicates whether or not the article has been in the autoclave
c. can only be used to close the pack
d. indicates if the autoclave is broken - ANSWERS-b. indicates whether or not the
article has been in the autoclave
A longer exposure time is needed for a dry heat oven because:
a. dry heat has limited killing action
b. dry heat ovens can only reach a maximum temperature of 200 degrees F
c. dry heat penetrates slowly and unevenly
d. microorganisms and spores are more resistant to dry heat
e. all of the above
f. c and d - ANSWERS-f. c and d
,Why should a dry heat oven not be opened during the sterilization procedure?:
a. glassware may break
b. the oven will cool and sterilization may not be complete
c. microorganisms may enter the oven resulting in contamination
d. the oven may be damaged
e. all of the above - ANSWERS-b. the oven will cool and sterilization may not be
complete
A profile is:
a. A general screening test
b. A quantitative laboratory test
c. A number of related laboratory tests
d. Dorsal view of the patient - ANSWERS-c. A number of related laboratory tests
A specimen is:
a. The removal of blood from the antecubital veins
b. A small representative of body sample
c. The surgical removal and examination of tissue
d. The clinical analysis of a urine sample - ANSWERS-b. A small representative of body
sample
The purpose of cleansing the site selected for venipuncture is:
a. To cause the veins to be more prominent
b. To allow blood flow to the area
c. To decrease circulation in the arteries
d. To carry microorganisms away from the puncture site - ANSWERS-d. To carry
microorganisms away from the puncture site
The following may cause a hematoma;
a. Pressure applied to the puncture site after the needle is removed
b. Removing the tourniquet before the needle is removed
c. Using proper venipuncture technique
d. Inserting the needle through the vein and puncturing the opposite side. - ANSWERS-
d. Inserting the needle through the vein and puncturing the opposite side.
Whole blood is obtained;
a. By using a tube containing an anticoagulant
b. By centrifuging a clotted specimen
,c. By using a red- stoppered tube
d. By using an SST tube - ANSWERS-a. By using a tube containing an anticoagulant
Venipuncture needles should be discarded:
a. Directly into the garbage
b. They are actually recycled, not discarded
c. Directly into an autoclave bag
d. Directly into a Sharps container - ANSWERS-d. Directly into a Sharps container
If a vein feels lumpy or ropey when palpated it is probably:
a. Flabby
b. Deep
c. Tortuous
d. Superficial - ANSWERS-Tortuous
To convert Farenheit to Celcius:
a. 5/9 (F-32)
b. 9/5 + 32 (C)
c. 5/9 - 32 (F)
d. 9/5 (C + 32) - ANSWERS-a. 5/9 (F-32)
Which term means death of the heart muscle?
a. Myocardial infarction
b. Angina pectoris
c. Cardiomyopathy
d. Myocardial angina - ANSWERS-a. Myocardial infarction
Glassware used to measure 24 hour urine is a (an)
a. Volumetric flask
b. Beaker
c. Erlenmeyer cylinder
d. Graduated cylinder
e. Safety bulb - ANSWERS-d. Graduated cylinder
Glassware used to make 100 mls. of a 12% solution is a (an):
a. Volumetric flask
b. Beaker
c. Erlenmeyer cylinder
d. Graduated cylinder
e. Safety bulb - ANSWERS-a. Volumetric flask
, A suction device used to draw up liquids is a (an)
a. Volumetric flask
b. Beaker
c. Erlenmeyer cylinder
d. Graduated cylinder
e. Safety bulb - ANSWERS-e. Safety bulb
The pipette with a bulged out portion in the middle is a (an):
a. Mohr pipette
b. Pasteur pipette
c. serological pipette
d. Volumetric pipette
e. Micro-pipette - ANSWERS-d. Volumetric pipette
Which piece of glassware would not give critical measurement?
a. Volumetric flask
b. Beaker
c. Erlenmeyer cylinder
d. Graduated cylinder
e. safety bulb - ANSWERS-b. Beaker
The durable material used to make heat resistant glassware is:
a. Polyethylene
b. Soda lime
c. Polystyrene
d. Borosilicate - ANSWERS-d. Borosilicate
Solid crystals of potassium oxalate are added to distilled water in a container. What
term would
describe the potassium oxalate?
a. solution
b. solvent
c. solute
d. reagent
e. a & c - ANSWERS-
The destruction of all micro-organisms including spores is called:
a. sanitation
b. antisepsis
solution 2025/2026
What is the purpose of sterilization indicators:
a. to check against improper wrapping of articles
b. to check for improper loading of the autoclave
c. to check for the presence of air in the autoclave
d. to check to make sure the autoclave is working properly
e. all of the above - ANSWERS-d. to check to make sure the autoclave is working
properly
Where should Sterilometer strips be positioned:
a. on the bottom shelf of the autoclave
b. in close proximity to the aur exhaust valve
c. in the center of each article
d. on the outside of each pack - ANSWERS-c. in the center of each article
The most reliable sterilization indicators check for:
a. the attainment of the proper temperature and the duration of the temperature
b. whether the article has been autoclaved or not
c. the attainment of the proper temperature and pressure
d. the presence of trapped air in the autoclave - ANSWERS-c. the attainment of the
proper temperature and pressure
Autoclave tape:
a. assures whether or not sterilization has taken place
b. indicates whether or not the article has been in the autoclave
c. can only be used to close the pack
d. indicates if the autoclave is broken - ANSWERS-b. indicates whether or not the
article has been in the autoclave
A longer exposure time is needed for a dry heat oven because:
a. dry heat has limited killing action
b. dry heat ovens can only reach a maximum temperature of 200 degrees F
c. dry heat penetrates slowly and unevenly
d. microorganisms and spores are more resistant to dry heat
e. all of the above
f. c and d - ANSWERS-f. c and d
,Why should a dry heat oven not be opened during the sterilization procedure?:
a. glassware may break
b. the oven will cool and sterilization may not be complete
c. microorganisms may enter the oven resulting in contamination
d. the oven may be damaged
e. all of the above - ANSWERS-b. the oven will cool and sterilization may not be
complete
A profile is:
a. A general screening test
b. A quantitative laboratory test
c. A number of related laboratory tests
d. Dorsal view of the patient - ANSWERS-c. A number of related laboratory tests
A specimen is:
a. The removal of blood from the antecubital veins
b. A small representative of body sample
c. The surgical removal and examination of tissue
d. The clinical analysis of a urine sample - ANSWERS-b. A small representative of body
sample
The purpose of cleansing the site selected for venipuncture is:
a. To cause the veins to be more prominent
b. To allow blood flow to the area
c. To decrease circulation in the arteries
d. To carry microorganisms away from the puncture site - ANSWERS-d. To carry
microorganisms away from the puncture site
The following may cause a hematoma;
a. Pressure applied to the puncture site after the needle is removed
b. Removing the tourniquet before the needle is removed
c. Using proper venipuncture technique
d. Inserting the needle through the vein and puncturing the opposite side. - ANSWERS-
d. Inserting the needle through the vein and puncturing the opposite side.
Whole blood is obtained;
a. By using a tube containing an anticoagulant
b. By centrifuging a clotted specimen
,c. By using a red- stoppered tube
d. By using an SST tube - ANSWERS-a. By using a tube containing an anticoagulant
Venipuncture needles should be discarded:
a. Directly into the garbage
b. They are actually recycled, not discarded
c. Directly into an autoclave bag
d. Directly into a Sharps container - ANSWERS-d. Directly into a Sharps container
If a vein feels lumpy or ropey when palpated it is probably:
a. Flabby
b. Deep
c. Tortuous
d. Superficial - ANSWERS-Tortuous
To convert Farenheit to Celcius:
a. 5/9 (F-32)
b. 9/5 + 32 (C)
c. 5/9 - 32 (F)
d. 9/5 (C + 32) - ANSWERS-a. 5/9 (F-32)
Which term means death of the heart muscle?
a. Myocardial infarction
b. Angina pectoris
c. Cardiomyopathy
d. Myocardial angina - ANSWERS-a. Myocardial infarction
Glassware used to measure 24 hour urine is a (an)
a. Volumetric flask
b. Beaker
c. Erlenmeyer cylinder
d. Graduated cylinder
e. Safety bulb - ANSWERS-d. Graduated cylinder
Glassware used to make 100 mls. of a 12% solution is a (an):
a. Volumetric flask
b. Beaker
c. Erlenmeyer cylinder
d. Graduated cylinder
e. Safety bulb - ANSWERS-a. Volumetric flask
, A suction device used to draw up liquids is a (an)
a. Volumetric flask
b. Beaker
c. Erlenmeyer cylinder
d. Graduated cylinder
e. Safety bulb - ANSWERS-e. Safety bulb
The pipette with a bulged out portion in the middle is a (an):
a. Mohr pipette
b. Pasteur pipette
c. serological pipette
d. Volumetric pipette
e. Micro-pipette - ANSWERS-d. Volumetric pipette
Which piece of glassware would not give critical measurement?
a. Volumetric flask
b. Beaker
c. Erlenmeyer cylinder
d. Graduated cylinder
e. safety bulb - ANSWERS-b. Beaker
The durable material used to make heat resistant glassware is:
a. Polyethylene
b. Soda lime
c. Polystyrene
d. Borosilicate - ANSWERS-d. Borosilicate
Solid crystals of potassium oxalate are added to distilled water in a container. What
term would
describe the potassium oxalate?
a. solution
b. solvent
c. solute
d. reagent
e. a & c - ANSWERS-
The destruction of all micro-organisms including spores is called:
a. sanitation
b. antisepsis
