Unit 3

Question 1

Qualitative

Answer 1

positive or negative

Question 2

semi-quantitative

Answer 2

<5, 5-10, >20

Question 3

Quantitative

Answer 3

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

Question 4

metric system

Answer 4

precision

1. Built on a unit scale of 10’
2. uses decimal place = smaller quantities
3. easy to convert b/w units

Question 5

Dilution factor

Answer 5

reciprocal of the dilution

Question 6

standard system

Answer 6

orginally based on anatomical features

no decimals

difficult to covert

US uses

Question 7

International System of Units (SI)

Answer 7

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

Question 8

Base Units of the metric system

Answer 8

• Distance = meter (m)
• Mass or weight = gram (g)
• Volume = liter (L)

Question 9

Kilo (k)

Answer 9

1000 x base unit

Question 10

centi (c)

Answer 10

.01 x base unit

Question 11

mili (m)

Answer 11

.001 x base unit

Question 12

micro (Iu)

Answer 12

.000001 x base unit

Question 13

nano (n)

Answer 13

10 -9 x base unit

Question 14

pico (p)

Answer 14

10 -12 x base unit

Question 15

Are commas used in SI system

Answer 15

no

Question 16

standard to metric:

mile x __ = kilometers

Answer 16

1.6

Question 17

pound x __ = kilograms

Answer 17

0.454

Question 18

quart x __ = liters

Answer 18

0.95

Question 19

kilometer x __ = miles

Answer 19

0.6

Question 20

meter x __ = feet

Answer 20

3.3

Question 21

meter x __ = inches

Answer 21

39.37

Question 22

centimeters x __ = inches

Answer 22

0.4

Question 23

gram x __ = pounds

Answer 23

0.0022

Question 24

Liter x __ = quarts

Answer 24

1.06

Question 25

Base unit SI | Length =

Answer 25

meter

Question 26

Base unit SI | Mass =

Answer 26

kilogram (kg)

Question 27

Base unit SI | Time =

Answer 27

second (s)

Question 28

Base unit SI | Amount of substance =

Answer 28

Mole (mol)

Question 29

Base unit SI | Electric Current =

Answer 29

Ampere (A)

Question 30

Base unit SI | Temperature =

Answer 30

Kelvin (K)

Question 31

Base unit SI | Luminous intensity =

Answer 31

Candela (cd)

Question 32

Base unit SI | Volume =

Answer 32

Liter (L)

Question 33

Convert F to C

Answer 33

C = 5/9 (F -32)

Question 34

Convert C to F

Answer 34

F = 9/5 (C) + 32

Question 35

List 5 Non-SI units accepted

Answer 35

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

Question 36

Dilution

Answer 36

making weaker solutions from stronger ones

Question 37

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

Answer 37

solution total

Question 38

Do dilutions have units?

Answer 38

no

Question 39

how are dilutions expressed? (2 points)

Answer 39

- one number to another number | - the original substance diluted as one