#1
Which of the following laboratory tests is used to measure blood sugar levels?
Hemoglobin A1c (HbA1c)
ExplanationMeasures long-term blood sugar levels.
#2
What is the primary function of a centrifuge in a medical laboratory?
To separate components of a liquid sample
ExplanationSeparates components based on density.
#3
Which of the following tests is commonly used to diagnose bacterial infections?
Culture and Sensitivity (C&S)
ExplanationIdentifies bacterial growth and antibiotic susceptibility.
#4
What does PCR stand for in the context of laboratory testing?
Polymerase Chain Reaction
ExplanationAmplifies and detects DNA sequences.
#5
What is the purpose of a differential blood count?
To determine the percentage of different types of white blood cells
ExplanationQuantifies various white blood cell types.
#6
Which laboratory test is used to evaluate kidney function?
Renal Panel
ExplanationAssesses kidney health through multiple markers.
#7
What is the primary purpose of a sputum culture test?
To identify bacteria in respiratory secretions
ExplanationDiagnoses respiratory infections.
#8
Which of the following laboratory tests is used to diagnose autoimmune disorders?
Rheumatoid Factor (RF)
ExplanationIndicates autoimmune activity.
#9
Which of the following laboratory safety measures is aimed at preventing exposure to hazardous chemicals?
Wearing gloves and goggles
ExplanationProtects against chemical contact.
#10
What does ELISA stand for in laboratory testing?
Enzyme-Linked Immunosorbent Assay
ExplanationDetects antibodies or antigens.
#11
Which of the following laboratory tests is used to detect the presence of antibodies in the blood?
Western Blot
ExplanationConfirms specific antibody presence.
#12
What does the term 'immunohistochemistry' refer to in laboratory practices?
Microscopic examination of tissues for the presence of antibodies
ExplanationVisualizes antibody presence in tissues.
#13
Which of the following laboratory techniques is used to separate DNA fragments based on their size?
Gel Electrophoresis
ExplanationSorts DNA molecules by size.
#14
Which laboratory test is used to detect the presence of Helicobacter pylori in the stomach?
Urea breath test
ExplanationDetects H. pylori infection through breath analysis.