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Chap 40 old
Immune System
| Question | Answer |
|---|---|
| What is a pathogen? | |
| What is the difference between a virus and a bacteria? | The main difference between viruses and bacteria is that viruses are packets of genetic material and cannot survive on their own, while bacteria are single-celled organisms that can. Bacteria take in nutrients, expel waste, grow, and reproduce (multiply). |
| Explain the steps that viruses take to replicate or reproduce. | |
| List many examples of diseases caused by a virus. | |
| What are two ways that bacteria make us sick. | |
| List many examples of disease caused by a bacteria. | |
| Name four ways that disease is spread. | |
| What are antibiotics and how do they work? | |
| What is a vaccine and how does it work? | |
| What is the function of the immune system? | |
| What are the two major categories of defense the body has against disease caused by pathogens? | |
| List 4-5 nonspecific defenses that the body has against disease caused by pathogens. | |
| How does a fever help you fight disease caused by pathogens? | |
| What is interferon and how does it help you fight disease caused by pathogens? | |
| How does sweat help you fight disease caused by pathogens? | |
| How does inflammation help you fight disease caused by pathogens? | |
| What is the immune response? | |
| Distinguish between the two type of specific defenses that the body has against disease caused by pathogens. | |
| In humoral immunity, what are antigens and what do they do? | |
| What is the function of the B-cells? | |
| What are antibodies and what do they do? | |
| Describe the relationship between antigens and antibodies. | |
| Why is HIV such a deadly virus? (Use information about the immune system) | |
| What is the functions of the helper T-cell? | |
| What is the function of the killer T-cell? | |
| What is the function of the memory T-cell? | |
| What is the function of the suppressor T-cell? | |
| What causes organ rejection in organ transplants? | |
| Distinguish between the primary and secondary immune responses. |