McCurnins ch 15

Question 1

This media is used for the primary isolation of organisms and for subculture of organisms.

Answer 1

Blood agar plate

Question 2

When this biochemical test is positive, a red color forms within seconds of the addition of the Kovac reagent.

Answer 2

Indole test media

Question 3

Used for direct isolation of Salmonella spp. from feces.

Answer 3

Hektoen enteric agar

Question 4

Media used to enrich samples for the detection of Salmonella spp.

Answer 4

Selenite or tetrathionate broth

Question 5

The results of this test is determined by observing for a purple or port-wine color in the slant and a purple color in the butt.

Answer 5

Lysine iron agar slant

Question 6

These plates provide a rich media for the culture of anaerobic organisms.

Answer 6

Brucella blood agar plate

Question 7

Primarily used to differentiate species of Staphylococcus based on fermentation.

Answer 7

Salt mannitol agar

Question 8

For determining whether an organism has and is able to use flagella.

Answer 8

Motility media

Question 9

Primarily isolation medium for selection of Gram-negative organisms.

Answer 9

MacConkey agar plate

Question 10

A tube medium used to determine whether an organism produces urease.

Answer 10

Christensen urea agar slant

Question 11

When this biochemical test is positive, the media turns blue, whereas a negative reaction leaves the media green.

Answer 11

Citrate test media

Question 12

For determining the ability of organisms to utilize glucose, sucrose, and lactose, and to produce hydrogen sulfide.

Answer 12

Triple sugar iron agar slant

Question 13

Media that detects and discriminates between two organisms based on the results of a biochemical reactions?

Answer 13

differential

Question 14

The antimicrobial ____ test is used to determine whether an antimicrobial agent will kill or inhibit growth of a particular organism

Answer 14

susceptibility

Question 15

A stain that distinguishes bacteria that have mycolic acid incorporated in their cells walls?

Answer 15

acidfast

Question 16

Culture medium used to enhance the growth of specific bacteria?

Answer 16

enrichment

Question 17

Antibodies that recognize a single antigen?

Answer 17

monoclonal

Question 18

Biochemical test used to differentiate Staphyloccocus spp from streptococcus spp?

Answer 18

catalase

Question 19

DNA that is evolutionarily very similar among bacterial species but is usually different enough to identify a specific species?

Answer 19

conserved gene

Question 20

Culture medium that reduces the growth of unwanted bacteria to allow the growth of other bacteria?

Answer 20

selective

Question 21

the lowest concentration of antimicrobial required to slow bacterial growth?

Answer 21

MIC

Question 22

Stain used to differentiate bacteria based on their cell wall?

Answer 22

gram

Question 23

Another name for the Kirby-Bauer susceptibility test?

Answer 23

disk diffusion

Question 24

Medium that maintains bacteria in original concentrations without encouraging growth or causing death of the bacteria?

Answer 24

transport

Question 25

Biochemical test used to differentiate and identify gram-negative bacteria?

Answer 25

oxidase

Question 26

Biochemical test used to differentiate pathogenic Streptococcus spp and nonpathogenic Streptococcus ssp?

Answer 26

coagulase

Question 27

Abcess means?

Answer 27

an infected part of the body containing pus usually involves swelling at the site

Question 28

Aerobe?

Answer 28

bacteria that grows in environment with Oxygen

Question 29

Anaerobe?

Answer 29

bacteria that can’t grow because of lack of oxygen

Question 30

Dermatophyte?

Answer 30

a fungus that grows underneath the nails and infecting them. A fungus that also infects the skin.

Question 31

Fastidious?

Answer 31

bacteria that have specific growth requirements

Question 32

Hemolysis?

Answer 32

when red blood cells rupture

Question 33

Indigenous flora?

Answer 33

bacteria that is normally at a site in the body. Aka microflora

Question 34

Mycosis?

Answer 34

having a fungal infection

Question 35

Nosocomial infection?

Answer 35

while being hospitalized, an animal picks up an infection that they didn’t have prior to hospitalization

Question 36

Opportunistic infection?

Answer 36

an infection that occurs because of certain conditions happening at a time when the immune system is down.

Question 37

Yeast?

Answer 37

unicellular fungal organisms - grow by budding