Mix and Match Lab Finals

Question 1

The term applied to an organism that causes blood agar to take on a greenish cast when it grows in the medium

Answer 1

Alpha hemolysis

Question 2

The genus flagellated protozoan that now commonly produced enteritis and diarrhea in many Sierra back packers

Answer 2

Giardia

Question 3

The term applied to a bacterium that caused blood agar to take a clear or transparent look when it grows on the medium.

Answer 3

Beta hemolysis

Question 4

The term applied to a small tube that is inverted in amending in another tube to detect the production of agar

Answer 4

Durham tube

Question 5

The term applied to media that cause certain organisms to develop a different appearance other microbes growing on the same medium

Answer 5

Differential

Question 6

In a TSI slant, a yellow slant indicates

Answer 6

Fermentation of acid, lactose and sucrose

Question 7

In TSI slant, a yellow butt indicates

Answer 7

Fermentation of glucose

Question 8

A biochemical test that separates between Staph and Strep

Answer 8

Catalase

Question 9

A biochemical test that separate between Eschirechia and Salmonella

Answer 9

Lactose

Question 10

An example of medium that inhibits the growth of gram positive organisms and favors gram negative

Answer 10

Selective