OSMT Exam Prep Question and Answers 100% Solved Correctly 2024

OSMT Exam Prep Question and Answers 100% Solved Correctly 2024 d. Phagocytosis -answerLysosomes are involved with: a. Energy release b. Active transport c. Mitosis d. Phagocytosis b. Is a screening test for blood donors -answerThe specific gravity test for haemoglobin: a. Uses copper nitrate b. Is a screening test for blood donors c. Uses the principle that RBC's sink quickly if anaemia is suspected. d. All of the above -answerThe plasma membrane is an animal cell is: a. The cell membrane b. semi permeable c. selective d. All of the above e. None of the above b. Transport gases -answerThe primary function of haemoglobin is to: a. Provide protein chains for amnio acid synthesis b. Transport gases c. bind iron d. eliminate waste products a. 1-2 ml of whole blood drawn into an EDTA tube -answerThe specimen requirements for a red cell folate is: a. 1-2 ml of whole blood drawn into an EDTA tube b. 1-2 ml serum drawn into a red top tube c. 3-5 ml of plasma drawn into an EDTA tube d. 3-5 ml of serum drawn into an SST tube b. Large vein on the inner side of the Antecubital fossa when viewed anteriorly -answer6. The basilic veins in the arm can be described as: a. The central vein in the Antecubital fossa b. Large vein on the inner side of the Antecubital fossa when viewed anteriorly c. Large vein on the inner side of the Antecubital fossa when viewed posteriorly d. Large vein on the outer side of the Antecubital fossa when viewed anteriorly a. A layer of cells that is demonstrated when whole anticoagulated blood is centrifuged -answerThe buffy coat can be defined as: a. A layer of cells that is demonstrated when whole anticoagulated blood is centrifuged b. The buffering layer on a white cell c. A layer of cells that is demonstrated when whole coagulated blood is centrifuged d. The layer of buffer that appears when a SST tube is centrifuged c. The rate at which blood cells settle -answerThe ESR is: a. The ratio of erythrocytes to leukocytes b. The ratio of packed cells to plasma c. The rate at which blood cells settle d. The same as a PCV d. One EDTA tube should be drawn -answerWhen a CBC is ordered: a. Several citrate tubes should be drawn b. Several SST tubes should be drawn c. One heparin tube should be drawn d. One EDTA tube should be drawn e. One oxalate tube should be drawn b. An immature erythrocyte -answerA reticulocyte is: a. Part of the reticuloendothelial system b. An immature erythrocyte c. Found only in the bone marrow d. A mature RBC e. Demonstrated using a Wright's Giemsa stain b. EDTA -answerThe most common anticoagulant in haematology is: a. Citrate b. EDTA c. Heparin d. Potassium oxalate e. Sodium fluoride b. MCHC, RDW, MCH -answerRed cell indices include: a. MCV, MCH, PCV b. MCHC, RDW, MCH c. MPV, RBC, RDW d. HTC, WBC, HB a. Fresh capillary blood -answerWhen making a blood film the best type of specimen is: a. Fresh capillary blood b. Fresh arterial blood c. Fresh venous blood d. Fresh anticoagulated blood a. the blood must be less than 2 hours old -answerWhen performing a reticulocyte: a. the blood must be less than 2 hours old b. the serum must not be haemolysed c. the plasma should not be icteric d. the buffy coat should be removed d. all of the above -answerSickle cell disease is identified using: a. sodium metabisulphite b. reduced oxygen tension c. the sickle cell test d. all of the above d. insect -answerMalaria is transmitted by: a. contaminated food b. contaminated water c. air borne particles d. insect d. Hb S -answerIn sickle cell trait the abnormal haemoglobin is: a. Hb A b. Hb A2 c. Hb F d. Hb S b. digestive enzymes -answerLysosomes contain: a. haemoglobin b. digestive enzymes c. chromosomes d. mitochondria a. Hb, Hct, WBC, plt. -answerCBC counts include: a. Hb, Hct, WBC, plt. b. Diff, smear, MCV,ESR c. Hb, Hct, Plt, retic d. RDW, MCHC, MCH, ALP c. Jefferson -answerWhich of the following is NOT a Romanowsky stain: a. Leishman b. Giemsa c. Jefferson d. Wright's d. protein production -answerRibosome's are involved with: a. energy production b. fluid balance c. active transport d. protein production d. all of the above -answerIn routine staining with Romanowsky stain, methanol is used for: a. dissolving the dyes b. fixing the cells c. decolourizing d. all of the above a. two alpha and two beta chains -answerHb A is composed of: a. two alpha and two beta chains b. two alpha and two gamma chains c. two alpha and two delta chains d. two alpha and two epsilon chains d. golgi complex -answerWhich cellular component is involved in packaging enzymes? a. mitochondria b. endoplasmic reticulum c. ribosome's d. golgi complex e. centrioles f. vacuoles d. red -answerWhen stained with a Romanowsky stain, the RBC should be: a. blue b. green c. purple d. red b. consistent thickness throughout -answerA good blood film demonstrates all of the following except: a. feathered edges b. consistent thickness throughout c. ½ - ¾ the length of the slide d. space at the lateral edges d. Wesley tubes -answerAll of the following may be used when setting up an ESR except: a. Westergren tubes b. citrated blood c. Wintrobe tubes d. Wesley tubes e. levelled rack b. RBC fragility -answerAll of the following tests should be collected in a red top tube except: a. iron binding capacity b. RBC fragility c. LD, LDH d. B 1 d. PT -answerAll of the following tests should be collected in a purple top tube except: a. RBC b. Differential