Microscopy, Staining, And Classification

Question 0

What were the old five basic kingdoms?

Answer 0

Animalia, plantae, fungi, protista, prokaryotae

Question 1

What is the proper way to write binomial nomenclature?

Answer 1

Genus’ first letter capitalized and everything italicized (species too)

Question 2

Who proposed the three domains of eukarya, bacteria, and archae by comparing nucleotide sequences of rRNA subunits?

Answer 2

Carl Woese

Question 3

What are the new divisions of the eukarya domain?

Answer 3

Animals, plants, fungi, protozoans, algae

Question 4

What is resolution?

Answer 4

The shortest distance between two points on a specimen that can still be distinguished by the observer as separate entities

Question 5

What is contrast?

Answer 5

Differences in intensity between two objects or between an object and background

Question 6

What is contrast important for?

Answer 6

Determining resolution

Question 7

What process in microbiology is important for increasing contrast?

Answer 7

Staining

Question 8

Using stains and dyes in microbiology, what two concepts are enhanced?

Answer 8

Resolution and contrast

Question 9

What is the name of the purple simple stain?

Answer 9

Crystal violet

Question 10

What is the name of the magenta simple stain?

Answer 10

Safranin

Question 11

What is the name of the blue simple stain?

Answer 11

Methylene blue

Question 12

What is the name of the green simple stain?

Answer 12

Malachite green

Question 13

What is the name of the red simple stain?

Answer 13

Carbol fuchsin

Question 14

What is the name of the purple and magenta differential stains?

Answer 14

Gram stain

Question 15

What is the name of the red and blue differential stain?

Answer 15

Acid-fast stain

Question 16

What is the name of the green and magenta differential stain?

Answer 16

Endospore stain

Question 17

What is the result of a gram stain?

Answer 17

Purple gram + cells and magenta gram - cells

Question 18

What type of bacteria is referred to as “acid-fast bacteria”?

Answer 18

Mycobacteria

Question 19

What are the results of the acid-fast stain?

Answer 19

Red acid-fast cells and blue non-acid-fast cells

Question 20

What would happen if you did a gram stain on mycobacteria?

Answer 20

Nothing would show up

Question 21

Are human cells and tissues acid-fast cells?

Answer 21

Noooooooo

Question 22

What are the results of the endospore stain?

Answer 22

Green endospores and magenta vegetative cells

Question 23

What are dichotomous keys?

Answer 23

A series of paired statements that enable a choice to be made about two things to determine what organism is present

Question 24

What type of disease is necrotizing fasciitis?

Answer 24

Emerging

Question 25

What is another name for necrotizing fasciitis?

Answer 25

Flesh-eating disease

Question 26

What is the most common cause of necrotizing fasciitis?

Answer 26

Streptococcus pyogenes (gram + bacteria)