Ch. 5 Microbiology Basics

Question 1

Disease

Answer 1

Failure of the body to function normally.

Question 2

Pathogens

Answer 2

Disease producing microorganisms.

Question 3

Infection

Answer 3

Invasion of a body by a pathogen.

Question 4

Normal Flora

Answer 4

•bacteria high usually lives in the body & stays within a specific population.

Question 5

Bacilli

Answer 5

Rod shaped cells

Question 6

Cocci

Answer 6

Round cells

Question 7

Diplococci

Answer 7

Double cells

Question 8

Streptococci

Answer 8

Chain cells

Question 9

Staphylococci

Answer 9

Bunch of grapes

Question 10

Curved rods

Answer 10

Have a slight curvature

Question 11

Spirillum

Answer 11

Corkscrew like

Question 12

Spirochetes

Answer 12

Wavy shaped

Question 13

Rickettsia/chlamydia

Answer 13

• Only live inside cell.
• Smaller.
• Considered parasites.

Question 14

Viruses

Answer 14

• tiny compared to bacteria
• contain nucleic acid(rna/DNA) but lack ability to perform protein synthesis.
• can only reproduce within living cells.
• not usually susceptible to antibiotics.

Question 15

Fungi

Answer 15

-plant like
-much larger than bacteria
-grow in dark,damp places
-single cell fungi=Yeasts
-fuzzy,filamentous forms mold
-mycotic infections
(Ex. Ringworm , athletes foot, thrush)

Question 16

Protozoa

Answer 16

-larger than bacteria
-one cell organisms
-found in soil & water
-(4)main divisions
•amebas
•ciliates
•flagellates
•sporozoa

Question 17

Parasitic worms

Answer 17

• Helminths
• intestinal round worms
• pinworms
• hookworms
• other round worms

Question 18

Arthropods

Answer 18

• mites & lice = ectoparasites
• mosquitos , fleas, ticks act as vectors
• fomites= nonliving vectors
• humans end up as host

Question 19

Looking at Bacteria

Answer 19

• single cell
• cell wall
• form spores
• grouped by shapes

Question 20

Single celled organisms

Answer 20

• viruses consists of DNA or RNA w/protein shell
• viruses only reproduce with a host
• fungi cost mycotic infection
• Protozoa are single celled animal like microbes

Question 21

Multicellular organisms

Answer 21

-worms (round or flat)
•transmission by fecal-oral route 
-Arthropods
•animals with jointed legs
•ectoparasites &vectors