Fighting Communicable Diseases Lesson

Multiple Choice

Why is it important for society to fight communicable diseases?

• To prevent the spread of illnesses and protect public health

• To increase the number of hospitals

• To make medicines more expensive

• To encourage people to stay at home all the time

Open Ended

What are some things that YOU do to try and get better when you’re sick?

Multiple Choice

The protein that acts against a specific antigen is called an ___.

• antibody
• vaccine

• immune system

• inflammatory system

Multiple Choice

What are two main types of barriers your body uses to protect against pathogens, and give one example of each?

• Physical barrier: skin; Chemical barrier: tears

• Physical barrier: stomach; Chemical barrier: lungs

• Physical barrier: eyes; Chemical barrier: hair

• Physical barrier: liver; Chemical barrier: saliva

Multiple Choice

What is the main role of B cells in the immune system?

• Produce antibodies to mark and destroy invaders

• Destroy infected body cells directly

• Release histamine to cause inflammation

• Produce gastric acid to kill pathogens

Multiple Select

Which of the following are functions of lymphocytes in the immune system?

• Activate B cells and Killer T cells

• Destroy infected body cells

• Produce antibodies

• Release gastric acid

Multiple Choice

Which of the following best describes the difference between active and passive immunity?

• Active immunity develops after exposure to a disease or vaccine, while passive immunity is received from another person or animal.

• Active immunity is only received from the mother, while passive immunity is from vaccines.

• Passive immunity develops after exposure to a disease, while active immunity is received from antibody injections.

• Active immunity is temporary, while passive immunity lasts a lifetime.

Open Ended

List and explain two different types of vaccines and how they help the immune system.

Multiple Select

Which of the following statements about mRNA vaccines are correct?

• They deliver instructions to cells to produce a harmless spike protein.

• They use weakened germs to trigger antibody production.

• They teach the body to recognize and fight viruses without causing illness.

• They contain inactive toxins to help build defenses.

Multiple Choice

Which of the following is NOT typically recommended as an at-home remedy for the common cold?

• Decongestants

• Antihistamines

• Salt water gargle

• Antibiotics