4.1 Bacterial Diseases Flashcards Preview

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Flashcards in 4.1 Bacterial Diseases Deck (33):
1

What is an infectious disease?

disease resulting from infection of host organism by pathogen

2

A small proportion of bacteria are what?

Pathogens causing disease

3

How can bacteria be classified?

By their shapes
By their cell walls

4

What shapes can bacteria have?

Rodshape - bacillus
Spiral - spiralla
Spherical - cocci
Corkscrew

5

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

Purple/blue

6

What shaped bacteria have gram positive cell walls?

Cocci
Rod

7

Give an example of a gram positive bacteria:

MRSA

8

What colour is the stain for gram negative bacteria?

Red

9

Give an example of a gram negative bacteria:

E.Coli

10

What shaped bacteria have gram negative cell walls?

Cocci
Rods
Corkscrew

11

Not all antibiotics work for what?

Different bacteria

12

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

What antibiotic is needed

13

What is an antibiotic?

Compound killing or inhibiting growth of bacteria

14

Give an example of a animal/human bacterial disease:

Tuberculosis

15

(TB) what bacterium causes tuberculosis?

Mycobacterium Tuberculosis

16

(TB) how is TB spread?

Inhaling droplets off infected person
Becomes lodged in lungs where bacteria multiply

17

(TB) what are the symptoms of TB?

Coughing up blood
Fever
Weight loss
Short breath

18

(TB) how is Tb treated?

Course of antibiotics for 6 months
Vaccinations for prevention

19

Give an example of a bacterial disease in humans:

Meningitis

20

(Meningitis) what is it caused by?

Streptococcus pneumoniae

21

(Meningitis) what does bacterial meningitis affect?

The meninges around the brain and spinal chord

22

(Meningitis) can result in what?

Septicaemia
Permanent brain or nerve damage

23

(Meningitis) what are the symptoms?

Headaches
Vomiting
Stiff neck
Drowsiness

24

(Meningitis) what is a symptom of septicaemia?

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

25

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

10% die
25% damage

26

(Meningitis) how is it spread?

Sneezing coughing or kissing

27

(Meningitis) how is it treated?

Vaccinations for prevention
Early with antibiotics

28

What is a bacterial infection in plants?

Ring rot

29

(Ring rot) what does it affect?

Potatoes and tomatoes

30

(Ring rot) what are the symptoms?

Foliar - rolled leaves, wilting
Tuber - rotting of vascular ring, cracking of potato skin

31

(Ring rot) where is the disease prevalent?

Cooler climates

32

(Ring rot) how is it spread?

Daughter tubers from infected seed

33

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

Number of years on storage material and equipment

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