Infectious Diseases Unit Test answer
1. What are the three main modes of transmission for infectious diseases?
- Direct contact: When an infected person touches a healthy person, or bodily fluids are exchanged.
- Indirect contact: When a healthy person comes into contact with contaminated objects or surfaces.
- Airborne transmission: When infectious droplets are released into the air and are inhaled by others.
2. What are the symptoms of the flu?
- Fever
- Body aches
- Fatigue
- Cough
- Sore throat
3. How can you prevent the spread of infectious diseases?
- Wash your hands frequently
- Cover your mouth and nose when coughing or sneezing
- Avoid close contact with sick individuals
- Stay home when you are sick
- Get vaccinated
4. What is the difference between bacteria and viruses?
- Bacteria are single-celled organisms that can live independently and can be killed with antibiotics. Viruses, on the other hand, are not considered living organisms and require a host cell to replicate.
5. What infectious disease is caused by the human immunodeficiency virus (HIV)?
- AIDS (Acquired Immunodeficiency Syndrome)
6. What is the best course of action if you suspect you have been exposed to a contagious disease?
- Seek medical attention immediately
- Follow any quarantine or isolation guidelines
- Inform close contacts and advise them to monitor for symptoms
- Follow proper hygiene practices to prevent further spread of the disease
7. How does the immune system respond to an infectious disease?
- The immune system recognizes the foreign pathogen and mounts a response to destroy it. This can involve the production of antibodies, activation of immune cells, and inflammation to combat the infection.
8. What is the role of vaccinations in preventing infectious diseases?
- Vaccinations introduce weakened or inactive forms of a pathogen to stimulate the immune system to produce antibodies. This provides immunity without causing the disease and helps prevent infection and the spread of disease in the population.