#1
Which of the following is a common clinical procedure used to collect blood for testing?
Venipuncture
ExplanationMethod for drawing blood from a vein for diagnostic purposes.
#2
What does the term 'CBC' stand for in medical testing?
Complete Blood Count
ExplanationA laboratory test that provides information about the cells in a person's blood.
#3
Which of the following is a common method for sterilizing laboratory equipment?
Autoclaving
ExplanationProcess of using high pressure and temperature to kill microorganisms.
#4
Which of the following is a common method for blood glucose measurement?
Glucometer
ExplanationDevice used to measure glucose levels in the blood.
#5
What is the purpose of a centrifuge in a laboratory?
To separate components of a mixture based on density
ExplanationMachine that spins samples at high speeds to separate substances of different densities.
#6
Which laboratory technique is used to separate components of a mixture based on their size and charge?
Electrophoresis
ExplanationSeparates molecules based on size and electrical charge.
#7
What is the purpose of a hemocytometer in a laboratory setting?
To count blood cells
ExplanationInstrument used to count the number of cells in a sample.
#8
Which of the following is a key step in the Gram staining technique used to differentiate bacteria?
Decolorization with alcohol
ExplanationRemoves color from certain types of bacteria, aiding in classification.
#9
Which of the following laboratory techniques is used to amplify DNA segments?
Polymerase chain reaction (PCR)
ExplanationMethod for creating multiple copies of a specific segment of DNA.
#10
What is the purpose of a spirometer in pulmonary function testing?
To measure lung volumes
ExplanationDevice used to assess lung function by measuring the volume of air inhaled and exhaled.
#11
Which of the following is a common step in the polymerase chain reaction (PCR) technique?
DNA denaturation
ExplanationProcess of separating the DNA strands by breaking hydrogen bonds.