Density and Specific Gravity Flashcards

1
Q

Defined as mass per unit volume

A

Density

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2
Q

Density of water

A

1 g/cc

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3
Q

how is density expressed

A

grams per cubic meter

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4
Q

Ratio expressed decimally of the weight of a substance to the weight of an equal volume of a substance chosen as a standard

A

specific gravity

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5
Q

the weight of a substance relative to the weight of a standard

A

Specific Gravity

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6
Q

concrete number

A

density

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7
Q

Units measure varies

A

Density

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8
Q

Density of water may be expressed as 1 g/ml, 1000g/L, or ____________lb/cu. ft

A

62.5lb/cu. ft

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9
Q

Abstract number (Ratio of like quantities)

A

Specific gravity

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10
Q

No unit

A

Specific Gravity

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11
Q

What is the specific gravity of water

A

1

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12
Q

A special glass bottle used to determine the specific gravity

A

Pycnometer or specific gravity bottle

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13
Q

Preparation of total parenteral nutrition (TPN) admixtures

A

Pharmaceutical applications

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14
Q

True or False: specific Gravity is an important factor in urinalysis of adults

A

True

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15
Q

Enumerate the percentage strengths

A

% w/v, % v/v and % w/w

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16
Q

Expressed the number of milligrams of a substance in 100ml of a liquid

A

Milligrams percent

17
Q

occasionally to denote the concentration of a drug or natural substance in a biological fluid, as in the blood

A

Milligrams percent

18
Q

Used for the strengths of very dilute solutions

A

Parts per million or parts per billion

19
Q

Methods for reducing or enlarging formulas

A

Ratio and proportions

Dimensional analysis

Factor Method: Simplest method

20
Q

Pharmaceutical Applications

A

Convert the weight of an ingredient or preparation to volume or vice versa.

Calculate the equivalent strength of a preparation on the basis of either
weight or volume.

Preparation of total parenteral
nutrition (TPN) admixtures.

21
Q

In normal adults, the specific
gravity of urine is usually within the range of

A

1.010 and 1.025

22
Q

Clinical applications

A

Specific gravity is an important factor in urinalysis.