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MLPAO Exam Set Questions with Correct Answers Graded A

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A patient being tested for fecal occult blood should not eat foods containing: -Answer- No red meat and & excess vitamin C. Which of the following is the counterstain for the gram stain method? - crystal violet - safranin - acetone-alcohol - iodine -gentian-violet -Answer- Safranin Mo...

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  • November 14, 2024
  • 162
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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MLPAO Exam Set 2024-2025



MLPAO Exam Set Questions with
Correct Answers Graded A 2024-2025
A patient being tested for fecal occult blood should not eat foods containing: -Answer-
✔No red meat and & excess vitamin C.

Which of the following is the counterstain for the gram stain method?
- crystal violet
- safranin
- acetone-alcohol
- iodine
-gentian-violet -Answer- ✔Safranin

Most fixatives act by:
- precipitating calcium ions in cells
- precipitating cell wall
- precipitating carbohydrates in cells
- precipitating enzymes in the cells
- none of the above -Answer- ✔precipitating cell wall

A Westergren tube is used for which test procedure?
- prothrombin time
- hematocrit
- platelet count
- erythrocyte sedimentation rate
- reticulocyte count -Answer- ✔Erythrocyte Count

Which of the following is the best examples of homeostasis?
- sexual reproduction
- growth
- regulation of body temperature
- growth of hair under arms
- storage of fat as adipose -Answer- ✔Regulation of body temperature

A Gaspack/candle jar can be used to produce:
- an aerobic environment
- an anaerobic environment
- more vacuum
- a vacuum
- two of the above -Answer- ✔An Anaerobic Environment
- this is used for bacteria that need an anaerobic environment
- inoculated petri dishes will go inside the gaspack and then placed inside the incubator

Exchange of Oxygen and nutrients take place via:

MLPAO Exam Set 2024-2025

,MLPAO Exam Set 2024-2025


- lymphatic vessels
- arteries
- arterioles
- capillaries
- venules -Answer- ✔Capillaries

MLA is going to prepare 70.5 mL of a solution with 90% concentration. Best glassware
used to make this:
- volumetric flask
- erlenmeyer cylinder
- beaker
- graduated cylinder
- none of the above -Answer- ✔Graduated Cylinder

The range of pH is:
1-14
1-7
1-12
0-12
0-14 -Answer- ✔0-14

A pH of 2 is _________ a pH of 5
- 1000 times less acidic than
- 100 time more acidic than
- 2 times less acidic than
- 20 time less acidic than
- 1000 times more acidic than -Answer- ✔1000 Times more acidic than

A blood glucose is preferred to be done on:
- a whole blood using sodium citrate
- clotted blood
- whole blood using oxalate and sodium fluoride as an anticoagulant
- a finger prick specimen
- urine -Answer- ✔Whole blood using oxalate and sodium fluoride as an anticoagulant

What is the name give to a substance that kills disease causing microorganisms but not
spores and is used on inanimate object?
- disinfectant
- antiseptic
- antibiotic
- fungicide -Answer- ✔Disinfectant

Tissues are generally embedded in paraffin wax so that they may be:
- decalcified
- cut into sections
- dehydrated

MLPAO Exam Set 2024-2025

,MLPAO Exam Set 2024-2025


- fixed
- stained -Answer- ✔Cut into Sections

The pipette with a bulged middle section is a:
- mohr pipette
- serological pipette
- micro pipette
- volumetric pipette
- broken pipette -Answer- ✔Volumetric Pipette

A patient asks you to tell him his test results.. You should,
- ask him to check with his physician
- tell him the results are not ready
- tell him his results
- refuse to discuss the subject
- only tell him if results are normal -Answer- ✔Ask him to check with his physician.

A plasma protein involved in clotting is:
- immunoglobulin
- gamma globulin
- albumin
- fibrinogen
- unable to determine with information given -Answer- ✔Fibrinogen

What tube would be drawn if a physician requested a heterophile antibody screen?
- green
-grey
- lavender
- SST
- light blue -Answer- ✔SST
- other name for test is Paul-Bunell Test
- checks to rule out Infection Mononucleosis

Which statement is false regarding setting up an ESR test?
- it must be read in 1 hour
- it can be located near a centrifuge
- it should be filled to exactly the zero mark
- it should be performed on fresh blood
- it must be set up vertically -Answer- ✔It can be located near a centrifuge

What is the purpose of a white blood cell differential?
- to determine proportion of red cells to white cells in whole blood
- to determine white cell count in whole blood
- to determine proportion of different white cells in whole blood




MLPAO Exam Set 2024-2025

, MLPAO Exam Set 2024-2025


- to diagnose anemia -Answer- ✔To determine proportion of different white cells in
whole blood

A dark yellow or amber colored serum is called:
- created
- lipemic
- icteric
- jaundiced
- hemolyzed -Answer- ✔Icteric
- yellow serum
- contains more bilurubin than in a normal person

100 mL of 20% hydrochloric acid will make what volume of 4% hydrochloric acid?
- 500 ml
- 50 ml
- 1000 mL
- 100 mL
- 80 mL -Answer- ✔500 mL
- C1V1=C2V2

Anticoagulant therapy is monitored by performing a(n):
- ESR (Erythrocyte sedimentation rate)
- CBC (Complete blood count)
- PT (prothrombin time)
- FBS (fasting blood sugar)
- Hgb (Hemoglobin) -Answer- ✔PT (prothrombin time)

The layer above a sediment in a solution is the:
- supernatant
- solution
- suspension
- buffy coat -Answer- ✔Supernatant
- when centrifuging urine

A buffer is:
- a pair of weak base with its conjugate(weaker) acid
- a pair of weak acid with its conjugate(weaker) base
- resist changes in pH when add acid or base
- an aqueous solution
- all of the above -Answer- ✔All of the above

Beta hemolysis causes:
- a green discoloration around colonies on blood agar(alpha)
- a completely clear zone around colonies on blood agar
- the death of bacteria
- normal autolysis of blood cells

MLPAO Exam Set 2024-2025

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