MLPAO MLA/T Exam
Which of the following is the best example of homeostasis? a) Sexual reproduction b)
Growth c) Regulation of body temperature d) Growth of hair under the arms e) Storage
of food in the form of fat - ANS-c) Regulation of body temperature
The concentration of physiological saline is: 1 a) 5.0% b) 7.0% c) 8.5% d) 0.85% e)
0.7% - ANS-d) 0.85%
Which of the following pipettes is the most accurate? a) Serological pipette b) Mohr
pipette c) Volumetric pipette d) Pasteur pipette e) None of the above - ANS-c)
Volumetric pipette
Hypersecretion of insulin would result in: a) Weak and brittle bone b) Diabetes c)
Hyperglycemia d) Glucosuria e) Hypoglycemia - ANS-e) Hypoglycemia
Deoxygenated blood is pumped into the: a) Systemic circulation b) Pulmonary
circulation c) Lymphatic system d) Coronary sinus e) None of the above - ANS-b)
Pulmonary circulation
The semi-lunar valve: a) Are located in between the Rt. Atrium and ventricles b) Occur
in the carotid sinus c) Open to allow blood to leave the ventricles d) Two of the
preceding e) None of the above - ANS-c) Open to allow blood to leave the ventricles
After pulmonary circulation, the blood is received by: a) Right atrium b) Left atrium c)
Left ventricle d) Right ventricle e) None of the above - ANS-b) Left atrium
When you have a STAT request, you should perform the test: a) As soon as possible b)
Immediately c) Until all the specimens arrive d) After your break e) 2 hours after
specimens arrive - ANS-b) Immediately
If you use a "To Contain" pipette, you should: a) Blow out the last drop b) Let the last
drop stay in the micropipette c) Rinse it to make sure all of the content is delivered d)
Use as a normal pipette e) None of the above - ANS-c) Rinse it to make sure all of the
content is delivered
The valve located between the right atrium and the right ventricle is: a) Mitral valve b)
Tricuspid valve c) Semi lunar valve d) Aortic valve e) None of the above - ANS-b)
Tricuspid valve
,The electrical conductivity of distilled or deionized water is: a) High b) Normal c) Low d)
Same as 0.85% saline e) Same as tap water - ANS-c) Low
In order to deliver the total volume from the pipette which has a frosted ring near the
colour code, you will: a) Rinse the pipette b) Let the last drop remain c) Stop before the
9 mark d) Blow out the last drop e) Ask for assistance - ANS-d) Blow out the last drop
Which of the following tests are eligible for stat recording: a) CSF for microbiology b)
BHCG for suspected ectopic pregnancy c) Blood gasses d) Lipid assessment e) AB and
C are correct - ANS-e) AB and C are correct
Which of the following is not a cardiac enzyme? a) Creatin Phosphokinase b) Aspartate
aminotransferase c) Lactic Dehydrogenase d) Serum Glutamic Oxaloacetic
Transaminase e) Alkaline phosphatase - ANS-e) Alkaline phosphatase
VMA is used to test for: a) Carbohydrates metabolism b) Epinephrin metabolism c) Fat
metabolism d) Pulmonary function e) Cardiac enzymes - ANS-b) Epinephrin metabolism
Which of the following has valves? a) Arteries b) Arterioles c) Capillaries d) Veins e) All
of the above - ANS-d) Veins
The specimen we commonly use for 17-ketosteroid test is:a) Clean catch mid-stream
urine b) Plasma c) Whole body d) 24 hour urine e) Stool - ANS-d) 24 hour urine
Xylose tolerance test is primarily tested for: a) Insulin levels b) Absorption ability of the
small intestine c) Digestive enzyme levels d) Heart condition e) Porphine levels -
ANS-b) Absorption ability of the small intestine
Which of the following could not be considered as a source of error in microhematocrit
tests? a) Hemolysed specimen b) Hemoconcentrated specimen c) Overfilling of the
capillary tube d) Including the buffy coat for the red cell column reading e) None or the
above - ANS-e) None or the above
The normal life span of erythrocyte is: a) 48 hrs. b) 90 days c) 120 days d) ½ year e) 14
days - ANS-c) 120 days
Leaving the urine for prolonged time will increase: a) Bacteria b) Urobilinogen c) Nitrite
d) pH e) All of the above - ANS-e) All of the above
,Hemoconcentration can be caused by: a) Tourniquet which is left on the patient too long
b) A rolling vein c) Antiseptic is not dried d) A small gauge number needle e) Two of the
proceeding - ANS-e) Two of the proceeding
Whole blood is defibrinated by: a) EDTA b) Heparin c) Sodium citrate d) Acetic acid e)
Glass beads - ANS-e) Glass beads
The basic dye in Romanowsky staining is: a) Cresyl blue b) Bicarbonate c) Eosin d)
Crystal violet e) Methylene blue - ANS-e) Methylene blue
Supravital stain is used for: a) WBC count b) RBC count c) Platelet count d)
Reticulocyte count e) H estimation - ANS-d) Reticulocyte count
Which of the following does not have a nucleus? a) WBC b) RBC c) Basophil d)
Platelets e) Two of the preceding - ANS-e) Two of the preceding
Which of the following tests is not part of a CBC profile? a) Leukocyte count b)
Haemoglobin estimation c) Differential cell count d) RBCS e) None of the above -
ANS-e) None of the above
The counting chamber used for RBC count is called: a) Hemoglobinometer b)
Hemocytometer c) Hemocounter d) Hemometer e) None of the above - ANS-b)
Hemocytometer
The PH of blood is: a) Acidic b) Neutral c) Basic d) Slightly alkaline e) Slightly acidic -
ANS-b) Neutral
The anticoagulant used in a CBC profile is: a) EDTA b) Oxalate c) Citrate d) Heparin e)
Dichromate - ANS-a) EDTA
Which of the following should not be considered as a source of error in ESR? a)
Excessive anticoagulant b) Partially clotted blood c) Use of cold unmixed blood d) Air
bubbles in the blood column e) None of the above - ANS-e) None of the above
A decrease in the size of the erythrocyte is known as: a) Macrocytosis b) Anisocytosis
c) Microcytosis d) Hemolysis e) Poikilocytosis - ANS-c) Microcytosis
Which of the following anticoagulant does not react with calcium to prevent clotting? a)
Double oxalate b) EDTA c) Sodium citrate d) Heparin e) None of the above - ANS-d)
Heparin
, When blood clots, the fluid that remains after separation of the clot is called: a) Plasma
b) Whole blood c) Cell suspension d) Serum e) Packed cells - ANS-d) Serum
Which of the following does not belong to the granulocytic series? a) Eosinophils b)
Neutrophils c) Basophils d) Lymphocytes e) None of the above - ANS-d) Lymphocytes
The buffer solution used in the Wright's stain procedure should have a precise range.
Which of the following pH values is satisfactory? a) 6.0 b) 6.4 c) 7.0 d) 7.4 e) 5.5 -
ANS-b) 6.4
The cytoplasm of the eosinophilic segmented cells after Wright's stain contains: a)
Large purple granules b) No granules c) Small blue granules d) Large coarse
red-orange granules e) Clumps of black granules - ANS-d) Large coarse red-orange
granules
Which of these components would normally be found in plasma? a) Cholesterol b)
Calcium c) Glucose d) Fibrinogen e) All of the above - ANS-e) All of the above
A type of cancer in which white bloods cells multiply wildly and crowd out red blood cells
and platelets: a) Leukopenia b) Leukemia c) Pernicious anaemia d) Hemolysis e)
Septicemia - ANS-b) Leukemia
Absorbent material is placed in TDG container a) With the sample and the requisition b)
Inside the internal bag c) Between the internal bag and the external bag d) Outside the
external bag e) Anywhere - ANS-b) Inside the internal bag
Absorbent material in TDG box should be enough a) To absorb the entire liquids b) To
prevent leakage from the internal layer to the external layer c) To prevent leakage from
the external layer to the container d) To protect the delivery personnel e) To prevent
aerosols only - ANS-a) To absorb the entire liquids
Patient consent for the phlebotomy procedure is a permission which is a) Written b)
Verbal c) Cooperative d) Shaking the head of approval e) All of the above - ANS-b)
Verbal
Rouleaux is the: a) Thrombus in the blood b) Clotting of blood c) Fibrin clot in serum d)
Aggregation of RBC e) Decolourization of RBC - ANS-d) Aggregation of RBC
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