4.1 Bacterial Diseases

Question 1

What is an infectious disease?

Answer 1

disease resulting from infection of host organism by pathogen

Question 2

A small proportion of bacteria are what?

Answer 2

Pathogens causing disease

Question 3

How can bacteria be classified?

Answer 3

By their shapes

By their cell walls

Question 4

What shapes can bacteria have?

Answer 4

Rodshape - bacillus
Spiral - spiralla
Spherical - cocci
Corkscrew

Question 5

If a bacterias cell wall is gram positive what colour is the stain?

Answer 5

Purple/blue

Question 6

What shaped bacteria have gram positive cell walls?

Answer 6

Cocci

Rod

Question 7

Give an example of a gram positive bacteria:

Answer 7

MRSA

Question 8

What colour is the stain for gram negative bacteria?

Answer 8

Red

Question 9

Give an example of a gram negative bacteria:

Answer 9

E.Coli

Question 10

What shaped bacteria have gram negative cell walls?

Answer 10

Cocci
Rods
Corkscrew

Question 11

Not all antibiotics work for what?

Answer 11

Different bacteria

Question 12

Scientists can look at the cell wall of the bacteria to see what?

Answer 12

What antibiotic is needed

Question 13

What is an antibiotic?

Answer 13

Compound killing or inhibiting growth of bacteria

Question 14

Give an example of a animal/human bacterial disease:

Answer 14

Tuberculosis

Question 15

(TB) what bacterium causes tuberculosis?

Answer 15

Mycobacterium Tuberculosis

Question 16

(TB) how is TB spread?

Answer 16

Inhaling droplets off infected person

Becomes lodged in lungs where bacteria multiply

Question 17

(TB) what are the symptoms of TB?

Answer 17

Coughing up blood
Fever
Weight loss
Short breath

Question 18

(TB) how is Tb treated?

Answer 18

Course of antibiotics for 6 months

Vaccinations for prevention

Question 19

Give an example of a bacterial disease in humans:

Answer 19

Meningitis

Question 20

(Meningitis) what is it caused by?

Answer 20

Streptococcus pneumoniae

Question 21

(Meningitis) what does bacterial meningitis affect?

Answer 21

The meninges around the brain and spinal chord

Question 22

(Meningitis) can result in what?

Answer 22

Septicaemia

Permanent brain or nerve damage

Question 23

(Meningitis) what are the symptoms?

Answer 23

Headaches
Vomiting
Stiff neck
Drowsiness

Question 24

(Meningitis) what is a symptom of septicaemia?

Answer 24

Blotchy rash that doesn’t fade when glass is rolled over it

Question 25

(Meningitis) what percent of infected people die? And what percent suffer permanent damage?

Answer 25

10% die

25% damage

Question 26

(Meningitis) how is it spread?

Answer 26

Sneezing coughing or kissing

Question 27

(Meningitis) how is it treated?

Answer 27

Vaccinations for prevention

Early with antibiotics

Question 28

What is a bacterial infection in plants?

Answer 28

Ring rot

Question 29

(Ring rot) what does it affect?

Answer 29

Potatoes and tomatoes

Question 30

(Ring rot) what are the symptoms?

Answer 30

Foliar - rolled leaves, wilting

Tuber - rotting of vascular ring, cracking of potato skin

Question 31

(Ring rot) where is the disease prevalent?

Answer 31

Cooler climates

Question 32

(Ring rot) how is it spread?

Answer 32

Daughter tubers from infected seed

Question 33

(Ring rot) how long can the bacteria remain infectious?

Answer 33

Number of years on storage material and equipment