LABMATH

Question 1

Thermodynamic temperature

[name][symbol]

Answer 1

Kelvin (K)

Question 2

Amount of substance

[name][symbol]

Answer 2

Mole (mol)

Question 3

Luminous intensity

[name][symbol]

Answer 3

Candela (cd)

Question 4

Amount of substance relative to the amounts of the other substances in the solution.

[solution prep]

Answer 4

Concentration

Question 5

It is a homogeneous mixture of two or more substances with each substance retaining its own chemical identity.

[solution prep]

Answer 5

Solution

Question 6

It is the component of solution that is present in the GREATEST AMOUNT and which the solute is dissolved.

[solution prep]

Answer 6

Solvent

Question 7

It is a component of a solution that is present in a LESSER AMOUNT RELATIVE to that of the solvent and it is the substance dissolved in liquid.

[solution prep]

Answer 7

Solute

Question 8

Substances DISSIOLVED in biologic fluid and the substance of interest.

[solution prep]

Answer 8

Biologic solutes

Question 9

The liquid in which analytes is dissolved.

[solution prep]

Answer 9

Biologic fluids

Question 10

Defined as the measurement system used in many countries such as the United States using pounds, yard, miles, pint, etc.

Answer 10

English system

Question 11

Derived from the Greek word “metron” meaning “measure. This system of measurement is used in scientific work which includes gram, meter and liter.

Answer 11

Metric system

Question 12

It is now the preferred system of measurement in scientific literature and clinical laboratories.

Answer 12

International System of Unit/Le Système International D’Unités (SI Units)

Question 13

Units that DO NOT take support of other physical quantities for its measurement.

Answer 13

Basic units

Question 14

These are quantities that are derived from the 7 base units.

Answer 14

Derived units

Question 15

Are so widely used that they have become acceptable for use with SI basic or SI derived units.

Answer 15

Non-SI units

Question 16

Number of GRAMS OF SOLUTE per 100 grams of solution.

[percent solutions]

Answer 16

Percent weight/weight (mass/mass)

Question 17

Most accurate method of expressing concentration, but can be CUMBERSOME (especially with liquids), not often used in clinical labs.

[percent solutions]

Answer 17

Percent weight/weight (mass/mass)

Question 18

Amount of SOLUTE per 100 mL of solution.

[percent solutions]

Answer 18

Percent volume

Question 19

Used for LIQUID SOLUTE and gives the milliliters of solute in 100 mL of solution.

[percent solutions]

Answer 19

Percent volume

Question 20

Very accurate if temperature controlled.

[percent solutions]

Answer 20

Percent volume

Question 21

It is RECOMMENDED THAT GRAMS PER DECILITER or (g/dl) be used instead of % v/v.

[percent solutions]

Answer 21

Percent volume

Question 22

The MOST COMMONLY USED PERCENT SOLUTION in the clinical laboratory.

[percent solutions]

Answer 22

Percent weight/volume

Question 23

LEAST ACCURATE, but used when both substances are liquids.

[percent solutions]

Answer 23

Percent weight/volume

Question 24

MASS OF SOLUTE in a solution DIVIDED BY THE TOTAL MASS OF solution, MULTIPLIED by 100 (to pout the value in terms of percentage)

Answer 24

Percent by mass

Question 25

VOLUME OF SOLUTE in a solution divided by TOTAL VOLUME OF SOLUTION, multiplied by 100.

Answer 25

Percent by volume

Question 26

Mass of solute in a solution (in grams) divided by the total volume in solution (in milliliters), multiplied by 100.

Answer 26

Mass - volume percent

Question 27

It is EXPRESSED AS THE RATIO OF VOLUME (or weight) of the concentrated stock solution to the final total volume.

Answer 27

Dilution

Question 28

Count the number of Hydrogen ions. [normality]

Answer 28

ACIDS

Question 29

Count the number of Hydroxide ions.

Answer 29

BASES

Question 30

Multiple the ABSOLUTE VALUE OF THE IONS. [normality]

Answer 30

SALTS

Question 31

Length [name][symbol]

Answer 31

Meter (m)

Question 32

Mass [name][symbol]

Answer 32

Kilogram (kg)

Question 33

Time [name][symbol]

Answer 33

Second (s)

Question 34

Electric current [name][symbol]

Answer 34

Ampere (A)

Question 35

Force [name][symbol]

Answer 35

Newton (N)

Question 36

Frequency [name][symbol]

Answer 36

Hertz (Hz)

Question 37

Catalytic activity [name][symbol]

Answer 37

Katal (kat)