infectious diseases unit test unit 7 lesson 3

1 answer

1. What is an infectious disease?
a. A disease caused by bacteria
b. A disease caused by viruses
c. A disease caused by pathogens that can be spread from person to person
d. A disease caused by genetic mutations

2. How are infectious diseases typically spread?
a. Through physical contact with an infected person
b. Through contaminated food or water
c. Through insect bites
d. All of the above

3. What is the difference between a contagious disease and an infectious disease?
a. Contagious diseases are caused by bacteria, while infectious diseases are caused by viruses
b. Contagious diseases can only be spread through direct contact, while infectious diseases can be spread in various ways
c. There is no difference between the two terms
d. Contagious diseases are milder than infectious diseases

4. Which of the following is not a method of preventing the spread of infectious diseases?
a. Washing hands regularly with soap and water
b. Covering your mouth and nose when sneezing or coughing
c. Sharing utensils with an infected person
d. Getting vaccinated

5. How do vaccines work to prevent infectious diseases?
a. By killing the pathogens already present in the body
b. By boosting the immune system's ability to fight off specific pathogens
c. By preventing the pathogens from entering the body
d. By directly attacking the infected cells in the body

6. True or False: Antibiotics are effective in treating viral infections.
a. True
b. False

7. Which of the following is a vector-borne disease?
a. Influenza
b. Tuberculosis
c. Malaria
d. HIV/AIDS

8. What is herd immunity?
a. When a large percentage of the population is vaccinated against a disease, making it harder for the disease to spread
b. When a disease rapidly spreads through a population, causing widespread illness and death
c. When a certain group of people are immune to a particular disease due to genetic factors
d. When a disease mutates and becomes resistant to all known treatments