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- Which is a correct statement concerning the insect circulatory system? Question 18 options: A) Blood transports oxygen and nutrients to all the tissues B) Blood is always contained in a system of tubes called tracheae C) The circulating fluid bathes tissues directly D) There is no heart, or pumpWhich of the following worms deposit their eggs in the perianal folds? a)tapeworms b)liver fluke c)blood fluke d)pinworm e)hookwormHow is the concept of dose-response related to the following statement by Paracelsus: “All substances are poisonous, there are none that are not. The correct dose differentiates a poison from a remedy ”? (Present a graph and use it to build your answer)
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- Rabies a)Infects the central nervous system. b)Infects the neuromuscular junction. c)Is caused by a bacterium. d)Is caused by a virus.How can arthropods spread disease in humans?Which of the following is involved in resistance to parasitic helminths? Question 4 options: A) basophils B) eosinophils C) lymphocytes D) monocytes