TYPES OF PATHOGENS

Question 1

Types of Phatogens

Answer 1

BACTERIA
FUNGI
VIRUSES
PARASITES
PRIONS

Question 2

One- celled microorganisms without a typical nucleus.

Answer 2

Bacteria

Question 3

It contain both DNA and
RNA

Answer 3

Bacteria

Question 4

Requires moisture and darkness to produce disease to human

Answer 4

Fungi

Question 5

2 types of Fungi

Answer 5

Yeast
Molds

Question 6

singe- celled

Answer 6

Yeast

Question 7

multicellular

Answer 7

Molds

Question 8

They are the smallest microorganisms known to produce in man.
Has either DNA or RN

Answer 8

Viruses

Question 9

2 types PARASITES

Answer 9

Helminths
Protozoa

Question 10

Abnormal proteins that infect
the nervous system, discovered
in 1983.

Answer 10

Prions

Question 11

Cause irreversible brain
damage

Answer 11

No DNA and RNA
(PRIONS)

Question 12

These are diseases that can affect
your skin, lungs, brain, blood and
other parts of your body .

Answer 12

Bacteria

Question 13

1. Are minute one- celled organisms without a typical nucleus.

Answer 13

Bacteria

Question 14

2. They contain both Deoxyribonucleic Acid (DNA) and Ribonucleic Acid (RNA)

Answer 14

Bacteria

Question 15

Bacteria are classified according to
their shape, which may either be

Answer 15

• spherical (cocci),
• Oblong/ rod shape (Bacilli),
• spiral (spirilla) .

Question 16

4. They may be classified according to their divisional groups as diplococci (groups of two ), streptococci (chains )or staphylococcus (clusters )

Answer 16

Bacteria

Question 17

are eukaryotic organisms that include microorganisms such as yeasts, molds and mushrooms .

Answer 17

FUNGI

Question 18

exist in two forms, yeasts and molds.

Answer 18

FUNGI

Question 19

reproduce by budding or spore formation.

Answer 19

FUNGI

Question 20

They require moisture and darkness to cause diseases in humans.

Answer 20

FUNGI

Question 21

Most infect the skin and scalp of humans and are difficult to
cure because they produce spores that remain under the outer skin
and reproduce even when environmental conditions are favorable .

Answer 21

Fungi

Question 22

It is a submicroscopic infectious agent that replicates only inside
the living cells of an organism.

Answer 22

VIRUSES

Question 23

infect all life forms, from
animals and plants to microorganisms, including bacteria and archaea .

Answer 23

VIRUSES

Question 24

1. Are minute microorganisms that cannot be visualized under an
   ordinary microscope .

Answer 24

VIRUSES

Question 25

2. They are the smallest microorganisms known to produce disease in man.

Answer 25

VIRUSES

Question 26

3. The genetic material of this either DNA or RNA, but never both.

Answer 26

VIRUSES

Question 27

4. must invade a host cell in order to survive and reproduce .

Answer 27

VIRUSES

Question 28

These are a polyphyletic group of single-celled eukaryotes, either free- living or parasitic, that feed on organic matter such as other microorganisms .

Answer 28

PROTOZOA

Question 29

1. Are complex one celled microorganisms.

Answer 29

PROTOZOA

Question 30

2. They are often parasitic and can move from place to place by pseudopod formation, by the action of flagella or cilia.

Answer 30

PROTOZOA

Question 31

3. Pseudopod movement is an amoeboid action in which one part of the cell is pressed forward and the rest of the cell rapidly follows .

Answer 31

PROTOZOA

Question 32

4. Flagella are whip like projections, cilia are hairlike projections on the exterior of the cell wall.

Answer 32

PROTOZOA

Question 33

are abnormal infectious proteins that affect the brain and nervous system.

Answer 33

PRIONS

Question 34

• Discovered in 1983 by Dr. Stanley Prusiner, who won a Nobel Prize for this discovery.

Answer 34

PRIONS

Question 35

• Unlike other pathogens, it contain no DNA or RNA —only proteins.

Answer 35

PRIONS

Question 36

• They have the unique ability to convert normal proteins into abnormal prions, leading to severe brain damage.

Answer 36

PRIONS

Question 37

• Discovered ___ who ___ won a Nobel Prize for this discovery.

Answer 37

in 1983 by Dr. Stanley Prusiner,

Question 38

• accumulate in the brain, forming clumps (plaques) that disrupt normal cell function.

Answer 38

PRIONS

Question 39

• They trigger a chain reaction, turning healthy proteins into misfolded, infectious forms.

Answer 39

PRIONS

Question 40

• This causes progressive degeneration of brain tissue, resulting in spongiform encephalopathy — a sponge - like appearance of the brain.

Answer 40

PRIONS

Question 41

• The body’s immune system does not recognize prions as foreign invaders, making them extremely hard to fight.

Answer 41

PRIONS