Chp 18 micobiology

Question 1

What is the shape of Bacilli?

Answer 1

Rod

Question 2

Non pathogenic

Answer 2

Do not produce human illness, used in production of cheese and yogurt

Question 3

Anthony Leeuwenhock

Answer 3

Use a microscope to observe teeth scrapings

Question 5

What are the characteristics of Viruses?

Answer 5

Smaller than bacteria

Can cause fatal diseases

Can live and multiply w/in an appropriate host cell

Invades a host cell, replicates itself, destroy host cell.

Question 6

Which form of Cocci forms irregular groups or clusters?

Answer 6

Staphylocci

Question 7

Major groups of micro organisms

Answer 7

Bacteria, protozoa, fungal, viruses, Algae

Question 8

How does bacterial infection occur?

Answer 8

When natural bacteria invades another part of the body

Question 9

What is the shape of Cocci?

Answer 9

Spherical

Question 10

What’s the shape of the Spirocheres?

Answer 10

Spiral

Question 11

Which bacteria divides into 2?

Answer 11

Cocci

Question 12

What are the two Cocci divisions?

Answer 12

Streptococci and Staphylocci

Question 13

Found in fresh water, moist soil, marine habitats

One celled

They eat bacteria, small algae and Protozoa.

Answer 13

Protozoa

Question 14

Which division of Cocci forms chains?

Answer 14

Streptococci

Question 15

Which bacteria doesn’t need oxygen to grow?

Answer 15

Anaerobes

Question 16

What are the characteristics of bacteria?

Answer 16

One celled

Thrive in dark, moist environments.

“good” bacteria protects human host from harmful bacteria

Question 16

Which bacteria needs oxygen to grow?

Answer 16

Aerobes

Question 17

Which bacteria is able to grow with or with out oxygen?

Answer 17

Facultative Anaerobes

Question 18

Bacteria that change into a highly resistant form.

Answer 18

Spores

Question 19

Bacteria forms a _______ that protects the layer that covers the cell wall.

Answer 19

Capsule

Question 21

Singled celled and multiple celled organisms

Contains chlorophyll

Answer 21

Algae

Question 22

Lack chlorophyll

Found in oral cavity, female genital tract, gastrointestinal tract.

Opportunistic

Answer 22

Fungi

Question 23

Pathogens

Answer 23

Disease producing micro organism

Question 23

John Tyndall

Answer 23

Tyndallization- intermittent heating to destroy microbial life on food.

Question 24

Which types of Hepatitis is blood borne?

Answer 24

B,C and D

Question 25

Which type of Hepatitis is Fecal-Oral transmitted?

Answer 25

A and E