B303 - Vaccinations

Vaccines contain weakened or dead parts of antigens. 

• True
• False

Vaccinations are used for

• Curing the illness
• Preventing the Illness
• Getting the illness

Vaccines stimulate the body to produce...

• autoimmune diseases
• helper t-cells
• fever
• antibodies

What do scientists call bacteria and viruses that can make people sick?  

• diseases
• vaccines
• antibodies
• pathogens

Special proteins produced by the body to attack foreign invaders.

• antibodies
• antigen
• antibiotics
• pathogens

​ (a)   are Y-shaped ​​ (b)   that bind ​ (c)   ​ (d)   to induce an ​ (e)   against foreign objects such as bacteria and viruses ​

• antibodies
• proteins
• specific
• antigens
• immune response
• unfamiliar
• molecules
• unspecific
• pathogens
• white blood cells

Match the following key characteristics of the immune system with their definitions

• Antigen

• ability to distinguish between many stimuli

• Antibody

• protein on the surface of a pathogen

• Memory

• protein produced by body for a specific pathogen protein

• Specificity

• ability to provoke a faster, stronger response after initial exposure to a stimulus

Unvaccinated people are protected by __ immunity.

What do vaccines do?

• Mimic a Natural Infection

• Hurt People

• Nothing

• Trigger the body to produce antigens.

Reorder the following steps to show how a vaccine works.

• The disease is killed or weakened.

• Memory cells store information on which antibodies to make, providing immunity.

• White blood cells produce antibodies.

• The disease is given to the patient.

• Correct antibody is produced.