MLPAO MLA/T 837 Exam Study Guide Questions with Complete Solutions 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 - Correct Answer 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% - Correct Answer 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 - Correct Answer c) Volumetric pipette Hypersecretion of insulin would result in: a) Weak and brittle bone b) Diabetes c) Hyperglycemia d) Glucosuria e) Hypoglycemia - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer
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 - Correct Answer 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 - Correct Answer b) Tricuspid valve 1 / 4
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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer e) Alkaline phosphatase VMA is used to test for: a) Carbohydrates metabolism b) Epinephrin metabolism c) Fat metabolism d) Pulmonary function e) Cardiac enzymes - Correct Answer b) Epinephrin metabolism Which of the following has valves? a) Arteries b) Arterioles c) Capillaries d) Veins e) All of the above - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer c) 120 days 2 / 4
Leaving the urine for prolonged time will increase: a) Bacteria b) Urobilinogen c) Nitrite d) pH e) All of the above - Correct Answer 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 - Correct Answer e) Two of the proceeding Whole blood is defibrinated by: a) EDTA b) Heparin c) Sodium citrate d) Acetic acid e) Glass beads - Correct Answer e) Glass beads The basic dye in Romanowsky staining is: a) Cresyl blue b) Bicarbonate c) Eosin d) Crystal violet e) Methylene blue - Correct Answer e) Methylene blue Supravital stain is used for: a) WBC count b) RBC count c) Platelet count d) Reticulocyte count e) H estimation - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer b) Hemocytometer The PH of blood is: a) Acidic b) Neutral c) Basic d) Slightly alkaline e) Slightly acidic - Correct Answer
b) Neutral
The anticoagulant used in a CBC profile is: a) EDTA b) Oxalate c) Citrate d) Heparin e) Dichromate - Correct Answer 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 - Correct Answer e) None of the above 3 / 4
A decrease in the size of the erythrocyte is known as: a) Macrocytosis b) Anisocytosis c) Microcytosis
d) Hemolysis e) Poikilocytosis - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer b) Verbal
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