110 Module 7

What is the purpose of balances in the chemistry department?

• To clean the laboratory equipment

• To calibrate instruments

• To measure the amount of analytes in the blood

• To prepare reagents for analytical testing

What is the maximum purity of Type I deionized water used in clinical labs?

• Free of bacteria, ions, organic particles

• Contains some bacteria and ions

• Contains organic particles

• Not suitable for analytical testing

What is the purpose of laboratory saline in the clinical lab?

• To clean laboratory equipment

• To dilute blood and body fluids

• To calibrate instruments

• To prepare reagents for testing

What is the definition of a solute?

• Substance being dissolved

• Diluent in which solute is dissolved

• Substance used to produce a chemical reaction

• Substance that has an assayed value

What is the purpose of reagent preparation in the clinical lab?

• To calibrate instruments

• To create a reaction between the analyte and a chemical reagent

• To clean laboratory equipment

• To measure the exact amount of an analyte

What is the main function of the hormone insulin in the body?

• Aids in digestion

• Regulates cholesterol levels

• Allows glucose to enter cells

• Controls muscle function

What does increased blood urea nitrogen (BUN) levels indicate?

• Diabetes mellitus

• Liver disease

• Kidney disease

• Heart disease

What is the function of cholesterol in the body?

• Allows glucose to enter cells

• Controls muscle function

• Aids in digestion

• An essential component of hormones and cell membranes

What causes hyperglycemia?

• Increased potassium levels

• Increased cholesterol levels

• Decreased/absent insulin

• Increased protein levels

What is the purpose of quantitative transfer in reagent preparation?

• Ensures all chemical measured gets into solution

• Measures the presence of an analyte

• Produces a chemical reaction

• Measures the exact amount of an analyte