3.1.1 Communicable (Infectious) Diseases Flashcards
1
Q
Communicable disease (2p)
A
- A disease that can be passed from one person to another
- Caused by pathogens
2
Q
Microorganisms
A
Single-celled organisms that can only be viewed by a microscope
3
Q
Pathogen
A
A microorganism that causes disease
4
Q
Health (2p)
A
- A state of physical and mental well-being
- Absence of diseases
5
Q
How does diet affect your health?(2p)
A
- Poor diet can cause a lack of nutrients and cause deficiency
- Too much food could lead to type 2 diabetes, cancer or obesity
6
Q
How does stress affect health?
A
- Can increase the risk of health problems like heart disease
7
Q
How do life situations affect your health? (3p)
A
- Gender: women=cervical cancer
- Financial status: lots of money=better access to food and healthcare
- Part of the world you live in: weather- sun=increased risk of skin cancer
8
Q
Types of pathogens (4p)
A
Bacteria
Virus
Fungi
Protoctista
9
Q
Diseases caused by bacteria (4p)
A
TB
Cholera
Food poisoning
Impetigo
10
Q
Diseases caused by a virus (4p)
A
Measles
Chicken pox
AIDS
Covid
11
Q
Diseases caused by fungi
A
Athletes foot
12
Q
Diseases caused by protoctista
A
Malaria
13
Q
How does bacteria cause diseases?(3p)
A
- Multiply rapidly
- Damage cells
- Release toxins
14
Q
How does fungi cause diseases?(2p)
A
- Fungi feed on cells to damage them
- Some fungi release toxins
15
Q
How do viruses cause diseases?(3p)
A
- Infect and take over host cell
- They cause the cell to make copies of the virus
- Damage host cell
