WorksheetsIMMUNITY
Total questions: 14
Worksheet time: 9mins
When a child is immunised against measles, they achieve active, (a) immunity
An example of a non-specific response by the immune system is
phagocytes engulfing non-self material
cytotoxic T cells releasing chemicals into infected cells
production of memory T cells
cloning of B cells to produce plasma cells
In the search for a malaria vaccine, scientists have focused on a protein called circumsporozoite protein (CSP). CSP is secreted by the malaria parasite and is present on its surface. For the vaccination to work, the scientists want CSP to act as
an antigen
an allergen
an antibody
a complement protein
Antibodies passed from a mother to her baby during breast-feeding would be best described as
naturally acquired, passive immunity
naturally acquired, active immunity
artificially acquired, passive immunity
artificially acquired, active immunity
Diphtheria is a disease caused by the bacterium Corynebacterium diphtheriae. A six month old baby boy, whose mother and father both had diphtheria as children, will develop active immunity against diphtheria if he
is being breast fed
receives a blood transfusion from the father
receives an injection of dead diphtheria bacteria
receives injections of gamma globulin from the mother
An antibody consists of 2 heavy chains and 2 light chains, with two identical variable regions. It can be concluded that
can bind to two distinct antigens
it has quaternary structure
will kill any pathogen it attaches to
is not highly specific and can be used for many different pathogens
The main purpose of a vaccine is to...
Help increase antibody levels
Create Cytotoxic CD8 Cells
Create Memory T and B cells
Increase the number of Plasma cells
What is the function of antibodies within the immune system?
Antibodies kill off any antigen that enters the body.
Antibodies are only made when you are given a vaccination for specific antigens.
Antibodies bind to specific antigens to flag for destruction.
Antibodies are part of an external defense mechanism.
Which of the following statements are TRUE about vaccinations?
Allow B cells to make antibodies for any type of antigen the body comes in contact with.
Triggers the body to make memory cells for specific pathogens.
They are substances prepared from killed or weakened pathogens.
Always allows the body to resist an infectious disease any time it comes into contact with it.
What happens after the second time you are exposed to a pathogen?
The body will not be able to fight off the pathogen quickly, because it knows how to get into the body easier.
The body's immune system will react the same was as it did during the first exposure.
The body can only be exposed to a pathogen a second time if you do not have a vaccine.
The body will know how to fight off the pathogen quickly, because memory cells have been created after the first encounter.
The blue molecule in this image is a(n) _______.
Antibody
Antigen
Pathogen
Blood cell
The orange molecule in this image is a(n) _______.
Antibody
Antigen
Antibiotic
Blood cell
