1) What is a communicable disease? a) A disease that can transmit from one organism to another b) A disease that can translate from different organisms c) A disease that can not be cured d) A disease that can cause health problems 2) What is the definition of a pathogen? a) A disease b) A disease-causing plant c) A disease-causing animal d) A disease-causing microorganism 3) The following is not a type of pathgen a) Protists b) Bacteria c) Parasite d) Virus 4) Two different sorts of microbes are: a) plants and fungi b) crustaceans and viruses c) viruses and bacteria d) viruses and pollen grains 5) Which organisms are in the correct size order, smallest first? a) viruses, bacteria, fungi, rose bushes, elephant b) elephants, rose bushes, fungi, bacteria, viruses c) bacteria, viruses, fungi, rose bushes, elephants d) fungi, bacteria, viruses, rose bushes, elephant 6) What does your body NOT produce to help defend itself against infection? a) Antibodies b) White blood cells c) Red blood cells 7) Colds are caused by: a) Bacteria b) Fungi c) Getting too cold d) Viruses 8) White blood cells are produced by which system? a) Respiratory b) Circulatory c) Immune 9) HIV is caused by a) Viruses b) Bacteria c) fungi d) Protists 10) White blood cells ____ bacteria to kill them. a) sit on b) ingest c) excrete 11) The signs of a disease are known as its: a) Symptons b) Diagnosis c) Microbes d) Problems 12) One part of your body that tries to keep microbes out is your: a) Hair b) Blood c) Arm d) Skin 13) Antibodies are made by: a) Red blood cells b) White blood cells c) Bacteria d) platelets 14) If a person is immune to a disease, they: a) Keep on getting it over and over again. b) Can never get the disease. c) Need to be taken special care of because the disease might kill them. d) Can only get the disease two or three times during their lives 15) Vaccines make your body: a) Produce antibodies against a disease. b) Stop working to allow an operation to be done. c) Cool you down when you get a temperature. d) Produce extra cells to mend broken bones. 16) An antibiotic is a medicine that: a) Kills bacteria and viruses. b) Kills only viruses. c) Kills only bacteria. d) Is dangerous and so is no longer used. 17) A microbe that is not affected by an antibiotic is said to be: a) Susceptible to the antibiotic. b) Resistant to the antibiotic. c) Killed by the antibiotic. d) Denatured by the antibiotic.

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