Laboratory Mathematics Flashcards

1
Q

____ is the minimum number of digits needed to express a particular value in scientific notation without the loss of accuracy.

A

Significant Figures

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2
Q

Numbers the contain zeroes within them is ____.

A

significant

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3
Q

Numbers that contain zeroes at the end of the number is ____.

A

significant

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4
Q

Numbers that contain zeroes between the decimal point and the first digit is ____.

A

not significant

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5
Q

All non-zero numbers are ____.

A

significant

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6
Q

All zeros to the right of the decimal are ____ when followed by a non-zero number.

A

not significant

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7
Q

All zeroes to the left of the decimal are ____.

A

not significant

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8
Q

Two Major Systems

A
  • English System
  • Metric System
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9
Q

____ is the first system of measurement.

A

English System

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10
Q

____ was created by a king.

A

English System

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11
Q

English system was created by a ____ based on his foot.

A

king

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12
Q

English system was based on ____.

A

the King’s foot

lmao

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13
Q

Which system is inaccurate?

A

English System

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14
Q

____ is converted using fractions.

A

English System

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15
Q

____ was created by scientists.

A

Metric System

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16
Q

Metric system was created by ____.

A

scientists

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17
Q

____ was based on units by 10.

A

Metric System

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18
Q

Metric system was based on ____.

A

units of 10 (toes and fingers)

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19
Q

SI unit is also known as ____ in French.

A

le Systeme International

20
Q

In Clinical Chemistry, when volume is measured, ____ is used as the unit of measurement.

A

Liter (L)

21
Q

In Clinical Chemistry, when analytes are measured, ____ is used as the unit of measurement.

A

mol/vol

22
Q

In Clinical Chemistry, when enzymes are measured, ____ is used as the unit of measurement.

A

Katal (kat)

23
Q

Components of a Laboratory Result

A
  • Actual value
  • Unit
24
Q

It is recommended that ____ be reported using moles of solute per volume of solution (substance concentration).

A

analyte

25
Q

It is recommended that analyte be reported using ____.

A

moles of solute per volume of solution

26
Q

Reporting of laboratory results is often expressed in terms of ____.

A

substance concentration or the mass of a substance

27
Q

Give the Formula

Celsius to Fahrenheit

A
  • (C x 9/5) + 32
  • (C x 1.8) + 32
28
Q

Give the Formula

Fahrenheit to Celsius

A
  • (F - 32) 5/9
  • (F - 32) (0.556)
29
Q

Give the Formula

Kelvin to Celsius

A

K - 273

30
Q

Give the Formula

Celsius to Kelvin

A

C + 273

31
Q

____ are a homogenous mixture of two or more substances with each substance retaining its own chemical identity.

A

Solutions

32
Q

Components of a Solution

A
  • Solvent
  • Solute
33
Q

____ is the component of a solution that is present in the greatest amount.

A

Solvent

34
Q

____ is the component of a solution that dissolves the substance with it.

A

Solvent

35
Q

____ is the component of a solution that is present in a lesser amount.

A

Solute

36
Q

____ is the component of a solution that is being dissolved.

A

Solute

37
Q

Types of Solutions

A
  • Colloidal
  • Emulsion
  • Saturated
  • Unsaturated
38
Q

Types of Solutions

It is not a true solution because the individual molecules are not mixed on a molecular basis.

A

Colloidal Solution

39
Q

Types of Solutions

These are colloidal solutions in which disperse phase and the disperse medium are immiscible.

A

Emulsions

40
Q

Types of Solutions

A solution in which the dissolved solute is in equilibrium with the undissolved solute.

A

Saturated Solution

41
Q

Types of Solutions

It does not contain all the solute molecules that the solution could possibly hold.

A

Unsaturated Solution

42
Q

____ refers to the weight or volume of the solute present in a specified amount of solvent or a solution.

A

Concentration of Solutions

43
Q

Three Basic Types of Solutions

A
  • Percent
  • Molar
  • Normal
44
Q

____ are expressed as equal parts per hundred or the amount of solute per 100 total units of solution.

A

Percent Solutions

45
Q

Three Expression of Percent Solution

A
  • Percent by mass
  • Percent by volume
  • Mass-volume percent
46
Q

Which expression of percent solution is not commonly used in the clinical laboratory?

A

Percent solutions