Podcast
Questions and Answers
What type of dilution involves transferring a specified amount of mixture from one tube to the next in a series of tubes?
What type of dilution involves transferring a specified amount of mixture from one tube to the next in a series of tubes?
- Triple dilutions
- Serial dilutions (correct)
- Simple dilutions
- Double dilutions
Which grade of chemicals is considered best for lab use?
Which grade of chemicals is considered best for lab use?
- Commercial grade
- Industrial grade
- Technical grade
- Analytic reagent grade (AR) (correct)
What organization certifies standard reference materials used in clinical chemistry?
What organization certifies standard reference materials used in clinical chemistry?
- Food and Drug Administration (FDA)
- World Health Organization (WHO)
- American Chemical Society (ACS)
- National Institute of Standards and Technology (NIST) (correct)
What type of water is most commonly used as a reagent in laboratories?
What type of water is most commonly used as a reagent in laboratories?
What does the label on a reagent indicate?
What does the label on a reagent indicate?
What is the dilution factor if a sample is diluted 1:10?
What is the dilution factor if a sample is diluted 1:10?
What is the term for a substance dissolved in a liquid?
What is the term for a substance dissolved in a liquid?
Which method of water purification involves the removal of ions to produce reagent-grade water?
Which method of water purification involves the removal of ions to produce reagent-grade water?
What are buffers in a solution primarily responsible for?
What are buffers in a solution primarily responsible for?
Which term refers to the measure of how well electricity passes through a solution?
Which term refers to the measure of how well electricity passes through a solution?
What is the inverse logarithm of hydrogen ion concentration in a solution called?
What is the inverse logarithm of hydrogen ion concentration in a solution called?
Which clinical laboratory supply requires calibration for accuracy?
Which clinical laboratory supply requires calibration for accuracy?
What is the purpose of a tamper-proof seal in specimen identification?
What is the purpose of a tamper-proof seal in specimen identification?
In the Système International d’Unités (SI), what defines a physical quantity or dimension?
In the Système International d’Unités (SI), what defines a physical quantity or dimension?
Which unit is commonly used to express concentration as moles per liter?
Which unit is commonly used to express concentration as moles per liter?
What is the main purpose of a dilution factor in scientific experiments?
What is the main purpose of a dilution factor in scientific experiments?
When performing a serial dilution, what happens to the dilution factor as you progress through each step?
When performing a serial dilution, what happens to the dilution factor as you progress through each step?
What does a concentration expressed in 'percent solution: w/w' indicate?
What does a concentration expressed in 'percent solution: w/w' indicate?
