Unit 3 Flashcards

1
Q

Qualitative

A

positive or negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

semi-quantitative

A

<5, 5-10, >20

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Quantitative

A

specific number value
12 mg/dl
36%
4.0X10 9 cells/L

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

metric system

A

precision

  1. Built on a unit scale of 10’
  2. uses decimal place = smaller quantities
  3. easy to convert b/w units
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Dilution factor

A

reciprocal of the dilution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

standard system

A

orginally based on anatomical features

no decimals

difficult to covert

US uses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

International System of Units (SI)

A

a form of the metric system adopted for use by the worldwide scientific community

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Base Units of the metric system

A
  • Distance = meter (m)
  • Mass or weight = gram (g)
  • Volume = liter (L)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Kilo (k)

A

1000 x base unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

centi (c)

A

.01 x base unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

mili (m)

A

.001 x base unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

micro (Iu)

A

.000001 x base unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

nano (n)

A

10 -9 x base unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

pico (p)

A

10 -12 x base unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Are commas used in SI system

A

no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

standard to metric:

mile x __ = kilometers

A

1.6

17
Q

pound x __ = kilograms

A

0.454

18
Q

quart x __ = liters

A

0.95

19
Q

kilometer x __ = miles

A

0.6

20
Q

meter x __ = feet

A

3.3

21
Q

meter x __ = inches

A

39.37

22
Q

centimeters x __ = inches

A

0.4

23
Q

gram x __ = pounds

A

0.0022

24
Q

Liter x __ = quarts

A

1.06

25
Q

Base unit SI

Length =

A

meter

26
Q

Base unit SI

Mass =

A

kilogram (kg)

27
Q

Base unit SI

Time =

A

second (s)

28
Q

Base unit SI

Amount of substance =

A

Mole (mol)

29
Q

Base unit SI

Electric Current =

A

Ampere (A)

30
Q

Base unit SI

Temperature =

A

Kelvin (K)

31
Q

Base unit SI

Luminous intensity =

A

Candela (cd)

32
Q

Base unit SI

Volume =

A

Liter (L)

33
Q

Convert F to C

A

C = 5/9 (F -32)

34
Q

Convert C to F

A

F = 9/5 (C) + 32

35
Q

List 5 Non-SI units accepted

A
  1. min
  2. hr
  3. days (d)
  4. pressure (mm Hg)
  5. Enzyme activity (IU)
36
Q

Dilution

A

making weaker solutions from stronger ones

37
Q

Dilutions are expressed as the volume of the ____ diluted per the ____ final volume of the dilution.

A

solution

total

38
Q

Do dilutions have units?

A

no

39
Q

how are dilutions expressed? (2 points)

A
  • one number to another number

- the original substance diluted as one