Untitled Quiz

Play an AI-generated podcast conversation about this lesson

What is the SI base unit for mass?

Ampere

Meter

Kilogram (correct)

Liter

Which prefix represents a factor of $10^{3}$?

Kilo (correct)

Hecto

Giga

Mega

Which of the following is the SI unit for luminous intensity?

Ampere

Mole

Second

Candela (correct)

Which of these prefixes corresponds to a factor of $10^{-6}$?

Micro Signup and view all the answers

What is the SI base unit for electric current?

Ampere Signup and view all the answers

Which factor corresponds to the prefix 'femto'?

$10^{-15}$ Signup and view all the answers

How many seconds are equivalent to 1 kilosecond?

1,000 Signup and view all the answers

Which of the following is NOT a base SI unit?

Liter Signup and view all the answers

Which type of standard is a substance of lower purity and its concentration is determined by comparison with a primary standard?

Secondary Standard Signup and view all the answers

What is the main reason that Chemically Pure/Pure Grade preparations are not recommended for reagent preparation in clinical laboratories?

Their impurity limitations are not stated. Signup and view all the answers

What is the purification method primarily used for producing Reverse Osmosis Water?

Pumping water across a semipermeable membrane Signup and view all the answers

Which type of water is ideal for lab procedures including reagent and standard preparation?

Substantially Purified Water Signup and view all the answers

What is the ultimate goal of using pre-filters in the preparation of reagent grade water?

To remove 98% of particulate matter Signup and view all the answers

What is a key characteristic of Technical or Commercial Grade chemicals?

They are used primarily in manufacturing. Signup and view all the answers

Which type of water purification method meets CLSI requirements and is used for laboratory applications?

Deionized Water Signup and view all the answers

What type of water purification method would NOT typically be used in clinical laboratories?

Technical or Commercial Grade Water Signup and view all the answers

What does random error primarily detect in analytical methods?

Imprecision Signup and view all the answers

Which parameter is associated with systematic error?

Bias Signup and view all the answers

What remedy is suggested for addressing random error in analytical methods?

Re-assay using same reagent Signup and view all the answers

What type of graph is preferred for quality control in laboratories?

Levey Jennings Plot Signup and view all the answers

Which method is specifically used for detecting systematic errors?

Sample Comparison Signup and view all the answers

The Cumulative Sum Graph is primarily used for what purpose?

Detecting systematic errors over time Signup and view all the answers

What is a common parameter used in random error analysis?

Standard Deviation (SD) Signup and view all the answers

Which control method is most widely used to apply multirules without computers?

Levey Jennings Signup and view all the answers

What is the primary purpose of centrifugation?

To separate solid matter from a liquid suspension Signup and view all the answers

Which method is considered the most accurate for delivering and weighing a solution of known specific gravity?

Gravimetric Signup and view all the answers

Which factors determine the centrifugal force in centrifugation?

Mass, speed, and radius Signup and view all the answers

What is the liquid that passes through filter paper during filtration called?

Filtrate Signup and view all the answers

What secondary method utilizes absorbance to measure dye concentration in a solution?

Spectrophotometric method Signup and view all the answers

Which method involves using a semipermeable membrane for separation?

Dialysis Signup and view all the answers

What must be checked using a tachometer or strobe light during the centrifugation process?

Speed of the centrifuge Signup and view all the answers

What happens to large molecules during dialysis?

They get collected on one side of the membrane Signup and view all the answers

What type of error does the 22S Westgard rule indicate?

Systematic error Signup and view all the answers

How many consecutive controls are needed to apply the 41S rule?

4 Signup and view all the answers

The 10x Westgard rule is characterized by:

10 consecutive controls falling on one side of the mean Signup and view all the answers

Which rule indicates a potential random error involving the same mean value?

R4S Signup and view all the answers

What does a positive predictive value indicate?

Probability that a person with a positive test result actually has the disease Signup and view all the answers

What type of error does the 12S Westgard rule primarily address?

Random error Signup and view all the answers

Which of the following best describes the 13S Westgard rule?

1 control value exceeds mean ±3SD Signup and view all the answers

Which rule includes four consecutive values that exceed ±1 SD?

41S Signup and view all the answers

The Diagnostic Sensitivity parameter measures which of the following?

Proportion with the disease who have a positive test result Signup and view all the answers

In quality control, what would indicate a systematic error according to the 22S rule?

Two consecutive controls exceed ±2SD on the same side Signup and view all the answers

How is diagnostic specificity defined?

Probability of a negative result in healthy individuals Signup and view all the answers

Which Westgard rule identifies a pattern of ten consecutive controls?

10x Signup and view all the answers

What combination of controls must occur for the 12S rule to be applicable?

One value exceeding the mean ±2SD Signup and view all the answers

According to the R4S rule, which of the following combinations indicates a random error?

One control above +2SD and one below -2SD Signup and view all the answers

Untitled Quiz

Podcast Beta

Questions and Answers

What is the SI base unit for mass?

Which prefix represents a factor of $10^{3}$?

Which of the following is the SI unit for luminous intensity?

Which of these prefixes corresponds to a factor of $10^{-6}$?

What is the SI base unit for electric current?

Which factor corresponds to the prefix 'femto'?

How many seconds are equivalent to 1 kilosecond?

Which of the following is NOT a base SI unit?

Which type of standard is a substance of lower purity and its concentration is determined by comparison with a primary standard?

What is the main reason that Chemically Pure/Pure Grade preparations are not recommended for reagent preparation in clinical laboratories?

What is the purification method primarily used for producing Reverse Osmosis Water?

Which type of water is ideal for lab procedures including reagent and standard preparation?

What is the ultimate goal of using pre-filters in the preparation of reagent grade water?

What is a key characteristic of Technical or Commercial Grade chemicals?

Which type of water purification method meets CLSI requirements and is used for laboratory applications?

What type of water purification method would NOT typically be used in clinical laboratories?

What does random error primarily detect in analytical methods?

Which parameter is associated with systematic error?

What remedy is suggested for addressing random error in analytical methods?

What type of graph is preferred for quality control in laboratories?

Which method is specifically used for detecting systematic errors?

The Cumulative Sum Graph is primarily used for what purpose?

What is a common parameter used in random error analysis?

Which control method is most widely used to apply multirules without computers?

What is the primary purpose of centrifugation?

Which method is considered the most accurate for delivering and weighing a solution of known specific gravity?

Which factors determine the centrifugal force in centrifugation?

What is the liquid that passes through filter paper during filtration called?

What secondary method utilizes absorbance to measure dye concentration in a solution?

Which method involves using a semipermeable membrane for separation?

What must be checked using a tachometer or strobe light during the centrifugation process?

What happens to large molecules during dialysis?

What type of error does the 22S Westgard rule indicate?

How many consecutive controls are needed to apply the 41S rule?

The 10x Westgard rule is characterized by:

Which rule indicates a potential random error involving the same mean value?

What does a positive predictive value indicate?

What type of error does the 12S Westgard rule primarily address?

Which of the following best describes the 13S Westgard rule?

Which rule includes four consecutive values that exceed ±1 SD?

The Diagnostic Sensitivity parameter measures which of the following?

In quality control, what would indicate a systematic error according to the 22S rule?

How is diagnostic specificity defined?

Which Westgard rule identifies a pattern of ten consecutive controls?

What combination of controls must occur for the 12S rule to be applicable?

According to the R4S rule, which of the following combinations indicates a random error?

More Quizzes Like This

Untitled Quiz

Untitled Quiz

Untitled Quiz

Untitled Quiz