Y3-TV3-Lesson 8 GKR

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 3

Homeostasis, Health & Disease

Lesson 8

This lesson

• Fighting pathogens
  
• Assignment chapter 10: check the answers

Learning Goals

• I know what pathogens are.
• I know how pathogens spread.
• I understand how to prevent the pathogens from spreading.
• I understand how we protect our bodies from pathogens.

Disease causing microorganisms are called:

1. pathogen
2. antigen
3. vector
4. antibodies

What is NOT an example of a pathogen?

1. Parasite
2. Fungus
3. Bacteria
4. Plant

Bacteria cause disease by:

1. becoming part of a cell's DNA
2. decomposing dead organic matter
3. releasing toxins or breaking down cells
4. carrying viruses into healthy tissues

Cholera is a disease caused by the Vibrio cholerae bacterium that creates a toxin. The toxin upsets the intestines, blocking water absorption. This pathogen is transmitted via faecal matter.

What ways would effectively prevent transmission of V. cholerae?

1. proper sewage system
2. washing hands regularly
3. wear facemasks
4. clean drinking water

disinfectants/antisceptics/antibiotics

Disinfectant

• antimicrobial substance that can kill microbes on inanimate objects

Antisceptic

• antimicrobial substance that can kill microbes on the human body (skin or other tissue)

Antibiotic

• antimicrobial substance of compound that can kill bacteria on/in the human body (external and internal environment)

Key Words

• TRANSMISSION
• VECTORS
• PREVENTION
• BARRIERS
  

Resistance against antibiotics

Look up on the internet:

• what does "resistance against antibiotics" means
• what are the consequences of resistance against antibiotics
• what measures can be taken to slow down the progress of resistance on antibiotics

What are antibiotics made from?

1. bacteria
2. fungi
3. protists
4. plants

Antibiotics only help fight of these types of infections.

1. viruses
2. bacterial
3. malarial
4. fungal

Assignment chapter 10 (part 2)

• Go to classroom and open the document "Answers assignment chapter 10 (part 2)"
• Check your answers!

Homework for next time

• Study the first 5 glossaries on StudyGo
  
• Revise your notes on the previous lessons
  
• For the test: check the document on Classroom:

        -Homeostasis, health and disease Learning goals