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MLPAO MLA/T EXAM LATEST 2025 ACTUAL EXAM WITH COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR VERIFIED|| ||BRANDNEW!!!|| If you receive a contaminated requisition, you will: a) Disinfect with 1% hvoochlorite and send to next workstation for processing as usual b) Throw awav and make a new requisition c) Disinfect with 1% hypochlorite and throw away, then make a new requisition d) Call the doctor for a new requisition e) All of the above are acceptable - ANSWER-d) Call the doctor for a new requisition Which method is acceptable for disposing of needles? a) Discard whole needle into puncture proot containel b) Cut needles and discard into puncture proor container c) Bend needles and discard into containers full of 2% glutaraldehyde d) Discard into biohazard trash bags e) None or the above - ANSWER-a) Discard whole needle into puncture proof container Which of the following should normally be present in urine? a) billirubin b) Protein c) Urea d) Blood e) Gucose - ANSWER-c) Urea
Tissues are generally embedded in a paraffin wax so that they may be: a) Decalcified b) Cut into sections c) Dehydrated and preserved on a slide d) Fixed in formalin e) Stained - ANSWER-b) Cut into sections An ECG may be interpreted by: a) MLA/T b) Medical Laboratory Technologist c) Licensed Physician d) Laboratory Manager e) All of the above - ANSWER-c) Licensed Physician The most commonly used microscope in the clinical laboratory is the: a) Electron b) Dark-field c) Phase contrast d) Fluorescent e) Light - ANSWER-e) Light What piece of equipment would help NaCI dissolve in a liquid faster? a) Incubator b) Hot plate c) pH meter d) Desiccator e) Water bath - ANSWER-b) Hot plate Bile pigments will cause a urine specimen to be: a) Cloudy b) Foul smelling c) Yelow-brown in colour d) Red in colour e) straw colour
- ANSWER-c) Yelow-brown in colour
If calcium is present, a tissue is generally decalcified: a) Before fixation b) After fixation c) After embedding in paraffin d) At the same time it is put on the microtome e) Immediately prior to staining - ANSWER-b) After fixation The urine "dip stick" which tests for glucose, uses the substance: a) Hexichloridine b) Glucose reductase c) Glucose oxidase d) Ferricyanide e) Ferrous Sulfate - ANSWER-c) Glucose oxidase Plasma is obtained by a) Using a red stopper tube b) Using a tube containing an anti-coagulant c) Using a tube which does not contain an anti-coagulant d) by centrifuging a clotted tube e) Three of the above - ANSWER-b) Using a tube containing an anti- coagulant The most common cause of excessive centrifuge vibration: a) Unbalanced tubes b) Worn brushes c) Variable voltage d) Uneven bench surfaces e) Electrical interterence - ANSWER-a) Unbalanced tubes
The smallest unit of measurement is: a) Decilitre b) Centilitre c) Kilolitre d) Litre e) Hectolitre - ANSWER-b) Centilitre A meniscus is: a) A super saturated solution b) A type of "rough" balance C) The curved surface formed by a liquid in a container d) The magnet used for mixing solutions e) The tip of a pipette - ANSWER-C) The curved surface formed by a liquid in a container Precise volume measurements are made in a/an: a) Graduated cylinder b) Beaker c) Erlenmeyer flask d) Volumetric flask e) a and d - ANSWER-d) Volumetric flask Which type of plastic is clear? a) Polyethylene b) Polystyrene c) Polypropylene d) Polyvinyl chloride e) Pyrex - ANSWER-a) Polyethylene Which type of material can be autoclaved? a) Polyethylene b) Polystyrene c) Polypropylene d) Poly vinyl chloride e) Pyrex - ANSWER-e) Pyrex
TSH is: a) Produced by the thyroid gland b) A hormone which stimulates T3 & T4 to be secreted c) A hormone which stimulates testosterone to be secreted d) A parathyroid hormone e) None of the above - ANSWER-b) A hormone which stimulates T3 & T4 to be secreted Cortisol: a) Is tested on seru or heparinised plasma b) Is not affected by diet or exercise c) Should be drawn as a fasting, or timed specimen d) Is best collected by a random urine sample e) a and c - ANSWER-e) a and c Anuria means: a) Absence of urine formation b) Increase of urine excretion c) Marked increase of urine formation d) Increase of urinary crystals e) Decrease of urinary crystals - ANSWER-a) Absence of urine formation Polyuria means: a) Absence of urine formation b) Increase of urine excretion c) Marked increase of urine formation d) Increase of urinary crystals e) Decrease or urinary crvstals - ANSWER-b) Increase of urine excretion
Oxygen and nutrients pass to the tissues from the blood via the: a) Lymphatic vessels b) Arteries c) Arterioles d) Capillaries e) Veins - ANSWER-d) Capillaries A thrombus is a/an: a) Type of blood vessel b) Instrument for measuring blood pressure c) Moving foreign body in the blood stream d) Type of needle for aspirating pleural fluid e) Blood clot - ANSWER-e) Blood clot Which of the statements about serum urea is true: a) Levels are independent of diet b) Urea is not reabsorbed by the renal tubules c) High BUN levels can result from necrotic liver disease d) BUN is elevated in prerenal (tubular damage or poor blood flow to kidney) as well as renal failure e) All of the above are true - ANSWER-d) BUN is elevated in prerenal (tubular damage or poor blood flow to kidney) as well as renal failure Which is not a type of WBC? a) Reticulocytes b) Basophil c) Eosinophil d) Monocyte e) Lymphocyte - ANSWER-a) Reticulocytes
Iron deficiency anemia is characterized by: a) Decreased plasma iron, decreased % saturation, increased TIBC b) Decreased plasma iron, decreased plasma ferritin, normal BC porphyrin c) Decreased plasma iron, decreased % saturation, decreased TIBC d) Decrease plasma iron, increased % saturation, decreased TIBC e) None of the above - ANSWER-a) Decreased plasma iron, decreased % saturation, increased TIBC The type of extinguisher most often used in the clinical laboratory is: a) A type b) B type c) C type d) ABC type e) Carbon dioxide charge - ANSWER-d) ABC type Which is the major Hgb found in the RBCs of patient with sickle cell trait? a) Hgb S b) Hgb F c) Hgb A2 d) Hab A e) None of the above - ANSWER-d) Hab A Which test can be performed on a hemolyzed specimen? a) LDH b) K+ c) Creatinine d) Bilirubin e) None of the above - ANSWER- e) None of the above
Specimen ID is important to all testing. However, extra precautions are necessary when labelling specimens for: a) C&S b) ABO. Rh, and crossmatch c) Therapeutic drug monitoring d) Factor assays e) HIV testing - ANSWER-b) ABO. Rh, and crossmatch Known infectious specimens for transport: a) Shipper and carrier must be trained in TDG b) Specimen must be accompanied by correct documentation c) Must be placed in a sealed container with enough absorbent materials to soak up any spill. This is placed within another container, which is sealed and identified d) a, b, and C e) band c - ANSWER-d) a, b, and C The tablet used for glucose testing is: a) Clinitest b) Ictotest c) Acetest d) TCA e) None of the above - ANSWER-a) Clinitest A Refractometer is used: a) To test the hemoglobin concentration of urine b) To test the osmolality of urine c) To test the specific gravity of urine d) To test the urobilinogen concentration of urine e) To test the nitrate concentration of urine - ANSWER-c) To test the specific gravity of urine
slowly c) Too large a blood drop d) Over drying the smear e) A low haemoglobin - ANSWER-c) Too large a blood drop 0 & P stands for: a) Ongoing and practical b) Operatory and post op. c) Ova protozoa d) Ontological and paediatrics e) Ova and parasite - ANSWER-e) Ova and parasite Precipitation is: a) The formation of insoluble particles occurring in solution b) A flocculent mass in a beaker c) A colloidal solution d) The contents of a wax bath e) Fine particles of tissue in a wax block - ANSWER-a) The formation of insoluble particles occurring in solution In bacterial infection, the leukocyte count is usually: a) Not affected b) Decreased c) Increased d) Normal e) Slightly decreased - ANSWER-c) Increased If you think you might have mixed up two specimens, you would: a) Ask the patient which one is his/hers b) Ask the nurse to identify the specimens c) Do the work on both specimens hoping they are both normal d) Have both specimens retaken e) Ask the
doctor if the specimens are really necessary - ANSWER-d) Have both specimens retaken A Microhematocrit is generally centrifuged for: a) 1 minute b) 2 minutes c) 5 minutes d) 15 minutes e) 30 minutes - ANSWER-c) 5 minutes Oil immersion objectives have a magnification of a) 4X b) 10X c) 25X d) 40X e) 100X - ANSWER-e) 100X Patient preparation for fecal occult blood includes: a) A fat free diet for 3 days prior to test b) Taking a mild laxative c) Eating no meat for 3 days prior to the test d) A low residue diet e) Fasting for 12 - 14 hours - ANSWER-c) Eating no meat for 3 days prior to the test The most common acid fast stain is: a) Hematoxylin & Eosin b) Field's c) Gemsa d) Ziehl-Neelson e) Albert's - ANSWER-d) Ziehl- Neelson
How will drawing insufficient blood in the EDTA tube affect the hematocrit value? a) No change b) Blood will hemolyze and not give an accurate reading c) Falsely increase value d) Falsely decrease value e) None of the above - ANSWER-d) Falsely decrease value Drabkin's reagent: a) Converts hemoglobin to cyanmethemoglobin b) Has poison, cyanide in it c) Is sensitive to light d) a and b only e) a, b and c - ANSWER-e) a, b and c Which factor would increase processing time of a tissue for histology? a) Gentle heat b) Dense tissue c) Gentle agitation d) Vacuum e) Porous tissue - ANSWER-b) Dense tissue If small clots are notes when making a blood smear, one should: a) Make the smear and note on the slide that clots are present b) Mix the blood specimen for one hour then make the smear c) Do nothing; small clots will not affect a blood smear d) Request a new specimen before doing the blood smear e) Add more anticoagulant to the blood tube, mix, then make the blood smear - ANSWER-d) Request a new specimen before doing the blood smear
Which reagent is used to embed tissue samples after processing? a) Permount b) Paraffin c) Xylene d) EDTA e) Liquid Nitrogen - ANSWER-b) Paraffin Which of the following is used to hold specimens larger than 5mm for automatic processing? a) Cassette b) Cuvette c) Rack d) Basket e) Wire mesh netting - ANSWER-d) Basket The blood in a light blue tube will separate into these components when centrifuged: a) Blood cells, serum, plasma b) Blood cells, buffy coat, plasma c) Serum, buffy coat, clot d) Plasma and clot e) Serum and clot - ANSWER-b) Blood cells, buffy coat, plasma The control center of the cell is the: a) Cytoplasm b) Golgi apparatus c) Centromere d) Nucleus e) Membrane - ANSWER-d) Nucleus All of the following are parts of the respiratory system with the exception of the a) Trachea b) Bronchioles c) Centrioles d) Alveoli e) Lungs - ANSWER-c) Centrioles
When planting media plates, urine and other specimens are streaked in the same manner a) True b) False - ANSWER-b) False Which is suitable for culturing mycological specimens? a) Petri plates of blood agar b) Large test tubes containing sabouraud dextrose agar c) Large test tubes containing sabouraud dextrose agar and cycloheximide enriched agar d) All of the above e) B and C only - ANSWER-e) B and C only Which is not used for the concentration and staining of parasitic specimens? a) 10% buffered formalin b) Ether c) Crystal violet d) Hematoxylin e) None of the above - ANSWER-c) Crystal violet Which is not true about Ziehl-Neelson staining? a) The mycobacteria stain blue b) It is also called acid-fast staining c) It uses carbolfuchsin, acid-alcohol and methylene blue d) It is done to test for tuberculosis e) None of the above - ANSWER-a) The mycobacteria stain blue
Serum specimens which are milky white are called: a) Hemolyzed b) Icteric c) Lipemic d) Opaque e) Turbid - ANSWER-c) Lipemic The due date of a pregnant woman is the: a) ASAP b) HDN c) EDC d) SD e) CV - ANSWER-c) EDC A person who has a blood clot stuck in one area has: a) A thrombus b) An embolism C) A hematoma d) Phlebitis e) None of the above - ANSWER-a) A thrombus Which is true? a) A base releases H+ in solution b) An acid releases OH- in solution C) A base has a lower pH than an acid d) An acid plus a base is a salt e) All of the above - ANSWER-d) An acid plus a base is a salt The process of causing solid particles of a substance in a solution to settle out is called a) Distillation b) Precipitation c) Filtration d) Suspension e) Deionization - ANSWER-b) Precipitation
