lab quiz 1 micro

Question 1

what is a common thing to use in an agar

Answer 1

tsa

Question 2

if you want culture what media would you use

Answer 2

nutrient broth

Question 3

what media would you use for culture and isolation

Answer 3

agar

Question 4

first clinical lab coat

Answer 4

1968

Question 5

1 colony is

Answer 5

from one bacterium, all same type, 1000’s of bacteria

Question 6

why do you need immersion oil

Answer 6

increase resolving power of the microscope

Question 7

does bacteria have corners

Answer 7

no

Question 8

why do you do broth or agar

Answer 8

to see if there can be growth of bacteria

Question 9

examples of stats

Answer 9

blood, csf, aspirates, tissue, deep wound

Question 10

ex of non stats

Answer 10

throat urine nose feces

Question 11

which media is faster

Answer 11

broth

Question 12

what is the technique called for isolation in petri plates

Answer 12

streak technique

Question 13

Why are petri plates incubated upside down?

Answer 13

so that condensation does not drip onto the plate and interfere with the developing microbes

Question 14

with an agar what goes in

Answer 14

oxygen

Question 15

with an agar what goes out

Answer 15

gaseous waste

Question 16

what can be included in the agar

Answer 16

nutritive media, water, proteins, carbs, gel protein

Question 17

red lense in microscope

Answer 17

4x

Question 18

yellow lense

Answer 18

10x

Question 19

blue lense

Answer 19

40x

Question 20

white lease

Answer 20

100x

Question 21

need for immersion oil?

Answer 21

oil immersion lease in tiny tin diameter, so needs more light

Question 22

how should the microscope be when put away

Answer 22

small objective lease set to smallest and stage cranked way down

Question 23

which characteristic would you use a microscope to see it with

Answer 23

margins

Question 24

cultural characteristics of agar

Answer 24

forms (shape), size, color, elevation(high), margins

Question 25

types of forms characteristics

Answer 25

circular, irregular, rhizoid

Question 26

types of elevation characteristics

Answer 26

flat, raised, convex, umbonate

Question 27

types of margins characteristics

Answer 27

entire, lobate, undulate, filamentous, serrate

Question 28

what is the tool called when doing the streak technique

Answer 28

inoculating loop

Question 29

part of broth on top

Answer 29

pellicle

Question 30

part of broth that sinks to bottom

Answer 30

sediment