#1
What is the primary function of a centrifuge in a medical laboratory?
To measure temperature
To separate components of blood or other substances
To analyze pH levels
To count red blood cells
#2
What is the purpose of a differential blood count?
To measure cholesterol levels
To determine the percentage of different types of white blood cells
To assess kidney function
To count red blood cells
#3
What is the purpose of a sputum culture in a clinical laboratory?
To assess liver function
To diagnose respiratory infections
To measure blood glucose levels
To analyze urine composition
#4
Which of the following is a common method used to sterilize laboratory equipment and materials?
Autoclaving
Freezing
Boiling
UV radiation
#5
Which laboratory technique is commonly used for DNA fingerprinting and paternity testing?
ELISA (Enzyme-Linked Immunosorbent Assay)
PCR (Polymerase Chain Reaction)
Southern blotting
Western blotting
#6
Which laboratory test is commonly used to assess kidney function?
Complete blood count (CBC)
Liver function test (LFT)
Blood urea nitrogen (BUN) test
Thyroid function test (TFT)
#7
In PCR (Polymerase Chain Reaction), what does the denaturation step involve?
Cooling the reaction mixture
Separating DNA strands by heat
Adding primers to the DNA
Amplifying the DNA sequence
#8
Which laboratory test is commonly used to diagnose diabetes and monitor glucose levels over time?
Hemoglobin A1c test
Thyroid function test (TFT)
Complete blood count (CBC)
Liver function test (LFT)
#9
In microbiology, what is the purpose of the Gram stain?
To identify viruses
To differentiate bacteria based on cell wall characteristics
To measure antibiotic sensitivity
To assess fungal infections
#10
Which blood component is primarily responsible for oxygen transport in the body?
Platelets
Plasma
Red blood cells
White blood cells
#11
Which blood type is considered the universal donor?
#12
What is the primary purpose of an ELISA (Enzyme-Linked Immunosorbent Assay) test?
Detecting antibodies or antigens in a sample
Measuring blood glucose levels
Quantifying white blood cell count
Assessing liver function
#13
Which coagulation test is used to monitor the effectiveness of warfarin therapy?
Prothrombin time (PT)
Activated partial thromboplastin time (aPTT)
D-dimer test
Fibrinogen assay
#14
What is the primary purpose of a Western blot test in immunology?
Detecting antibodies in blood
Quantifying red blood cell count
Separating DNA strands
Identifying specific proteins in a sample
#15
Which imaging technique uses strong magnetic fields and radio waves to generate detailed images of internal body structures?
X-ray
CT scan
MRI (Magnetic Resonance Imaging)
Ultrasound