Microbiology lab final

Question 1

In the MRVP test, MR tests for _______ fermenters and VP tests for __________ fermenters

Answer 1

methyl red, voges proskurate

Question 2

If an antibiotic kills the organism the effect is called

Answer 2

sensitive (effective)

Question 3

If an antibiotic inhibits the growth of organism the effect is called _____

Answer 3

intermediate

Question 4

Simmon’s agar slant is used to test for presence of ______ enzyme and the color of the slant will turn to ______ color if it is positive.

Answer 4

citrase, blue

Question 5

anaerobes

Answer 5

don’t need oxygen

Question 6

strict anaerobes

Answer 6

oxygen is toxic

Question 7

facultative anaerobe

Answer 7

either or (anaerobic /aerobic)

Question 8

Aerotolerant

Answer 8

doesn’t use for growth but can grow in O2 environment

Question 9

Strict Aerobes

Answer 9

do need oxygen

Question 10

Microaerophile

Answer 10

small amount of O2 needed

Question 11

A bacterium growing far from an antibiotic, antiseptic, or disinfectant disc is said to be ______ the chemical

Answer 11

sensitive to

Question 12

A bacterium growing close to an antibiotic, antiseptic, or disinfectant disc is said to be _______ the chemical

Answer 12

resistant to

Question 13

Antibody

Answer 13

is a protein produced by your body’s defense system to help fight infections

Question 14

Antigen

Answer 14

is any substance that can cause an immune response

Question 15

GAS

Answer 15

group A streptococci

Question 16

What test is used for Strep?

Answer 16

areta rapid strep test

Question 17

Epidemic

Answer 17

an increase in the prevalence of a disease over a given time, within a specific area or affecting a particular population

Question 18

Pandemic

Answer 18

an increase in the prevalence of a disease over a given time is a widely distributed area

Question 19

Index case

Answer 19

the first person diagnosed with a disease that caused an epidemic/pandemic

Question 20

Fomite

Answer 20

inanimate objects that can spread diseases (beddings, towels)

Question 21

Echanical and biological transmitters

Answer 21

transmitted fromm one host to another by means of arthropod vectors, which serve either as echanical (houseflies) or biological (mosquitoes)

Question 22

Carriers

Answer 22

those individuals who harbor pathogens without exhibiting signs and symptoms

Question 23

Epidemiology

Answer 23

is the study of the spread of disease through a population

Question 24

What three things does epidemiology focus on?

Answer 24

spread of a disease, control of a disease, prevention or treatment of a disease

Question 25

Name 2 industries in which fungi is widely used

Answer 25

restaurants use mushrooms, scientific labs

Question 26

What is the general process of producing beer?

Answer 26

1. cooking 2. fermentation 3. bottling 4. carbonating

Question 27

What are possible modes of contamination for food?

Answer 27

handling and processing of foods

Question 28

Anamorph (fungi)

Answer 28

asexual

Question 29

Teliomorph (fungi)

Answer 29

sexual

Question 30

Hyphae are...

Answer 30

filamentous growth of fungi

Question 31

Multiple hyphae are called...

Answer 31

mycelium

Question 32

Stipe of a mushroom

Answer 32

stalk

Question 33

Annulus of a mushroom

Answer 33

ring structure

Question 34

Volva of a mushroom

Answer 34

underground structure, from which the whole fleshy body of the mushroom erupted

Question 35

Gills/pores/teeth of a mushroom

Answer 35

producing structure

Question 36

Pileus of a mushroom

Answer 36

the cap

Question 37

lytic cycle

Answer 37

occurs in the virally infected bacteria, the bacteria lyse releasing new viral particles

Question 38

Lystate

Answer 38

the suspension of bacteriophages

Question 39

Lysogenic phage

Answer 39

have machinery to incorporate their viral DNA into the bacterial chromosome, this integration is called prophage

Question 40

Tittering

Answer 40

can determine the number of phage particles in suspension

Question 41

The acid fast stain is used to look at bacteria which contain which of the following compounds in their cell wall?

Answer 41

polysaccharides

Question 42

Write three functions of the capsule

Answer 42

1. look at bacteria under microscope, 2.. to tell the different bacteria apart from one another by using different colors 3. to practice completing this process correctly