1) Which statement below best defines immunity? a) Protection or resistance from an infection b) The process of killing germs. c) Maintaining a healthy environment. d) Responding to bodily changes. 2) What are the two main types of acquired immunity? a) Natural and passive b) Active and passive c) Natural and artificial d) Artificial and active e) Artificial and passive f) Natural and active 3) Breastfeeding is an example of which type of immunity? a) active natural b) passive natural c) active artificial d) passive artificial 4) Monoclonal antibodies are used for treating treatment viral infections, such as HIV and influenza. These antibodies provides __________________ immunity. a) active artificial b) active natural c) passive natural d) passive artificial 5) All of the following are types of vaccines EXCEPT a) mRNA b) antibodies c) toxoids d) live attenuated e) inactivated or dead pathogen f) conjugate 6) A vaccine is a biological preparation or substance used to stimulate the body’s _________________________ system. a) immune b) respiratory c) circulatory d) digestive e) nervous 7) Vaccination provides _________________ immunity. a) active artificial b) active natural c) passive natural d) passive artificial 8) Antibodies produced in response to the exposure of an antigen is called a) active natural immunity. b) active artificial immunity. c) passive natural immunity. d) passive artificial immunity. 9) Which statement is TRUE concerning antibodies? a) They are agents which trigger an immune response. b) They are conjugated proteins. c) They are protein molecules which are produced in response to a foreign antigen or pathogen. d) They are non specific protein molecules. 10) Which type of blood cells make antibodies? a) phagocytes b) erythrocytes c) thrombocytes d) lymphocytes 11) Which below is not a type of antigen? a) germ b) toxin c) pollen d) monoclonal antibodies 12) Disease-causing agents are called a) pathogens b) antibodies c) toxoids d) vector 13) Which statement is FALSE concerning vaccination? a) A higher concentration of antibodies are produced for the secondary response. b) It provides active artificial immunity. c) The primary response is weaker than the secondary one. d) The first response to the antigen is stronger than the second exposure to it. 14) Active immunity provides short term immunity. a) True b) False 15) Memory cells store information on antigens for providing long term immunity. a) True b) False 16) Memory cells are not produced with passive immunity. a) True b) False 17) Passive immunity has the advantage that it provides immediate immunity. a) True b) False 18) Vaccines are only administered by means of injections. a) True b) False

Immunity

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