MEDICAL LABORATORY SCIENCES L6 QZ13

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An antibody is produced by differentiated: Context: microbiology bench. [Medical Laboratory Sciences . Practice Set 13, Case 87]

A Platelets B Neutrophils only C B lymphocytes/plasma cells D Erythrocytes E Hepatocytes

A haemolysed sample may be unsuitable for some tests because: Context: microbiology bench. [Medical Laboratory Sciences . Practice Set 13, Case 23]

A It prevents all interference B Cell contents can alter measured analyte concentrations C It removes proteins D It is always sterile E It improves every assay

A platelet count of 20 × 10^9/L is best described as: Context: regional referral laboratory. [Medical Laboratory Sciences . Practice Set 13, Case 13]

A Leukopenia B Thrombocytosis C Severe thrombocytopenia D Polycythaemia E Normal platelet count

Universal/standard precautions should be applied to: Context: clinical chemistry section. [Medical Laboratory Sciences . Practice Set 13, Case 56]

A Only visibly bloody specimens B Only HIV-positive specimens C No laboratory samples D Only paediatric samples E All relevant patient specimens regardless of known infection status

The standard laboratory method for confirming malaria commonly includes examination of: Context: district hospital laboratory. [Medical Laboratory Sciences . Practice Set 13, Case 92]

A CSF protein only B Stained thick and thin blood films or validated malaria tests C Urine sediment only D Sputum smear only E Stool occult blood only

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