Question 14 Four antibiotics are banned for use in animal feed by European Union (EU) agriculture ministers because of concerns that their entry into the food chain could increase the health and size of all animals on Earth. could cause humans to become dependent on those antibiotics. could cause antibiotic resistance to develop in food animals. increase the risk of bacterial resistance to certain drugs in humans. Question 15 Antibiotics can also kill viral infections. True False Question 16 Almost every known disease-causing bacterium has developed an antibiotic-resistant strain. True False
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The most reasonable concern among the given options is that it could cause antibiotic resistance to develop in food animals and increase the risk of bacterial resistance to certain drugs in humans. Answer: \boxed{\text{could cause antibiotic resistance to develop Show more…
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QUESTION 13 What can occur if a person does not finish all of the antibiotics prescribed? An allergic reaction to the drug will occur the next time it is prescribed. Mutant bacteria can develop, causing antibiotic resistance. Nothing will happen since we take too many antibiotics anyway. QUESTION 14 Choose the true statement about natural bacteria in food. There are no natural bacteria in food since all contamination is man-made. Restaurants are responsible for a much higher incidence of food poisoning than at home. Improper food handling and poor hand washing practices, not natural bacteria, cause most illnesses. Antibiotics in animals, such as cows, make our meat sterile, thus much safer to eat. QUESTION 15 Active immunization means that the body receives: A once-potent strain of a dead virus. A weakened or altered strain of a virus. The antibodies that were manufactured by another host. QUESTION 16 In the chain of infection, which link refers to the place where the microbes thrive and multiply? Reservoir Susceptible host Mode of transmission Portal of entry
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1) Antibiotic resistance in bacteria is always induced by the use of antibiotics. True or False 2) What was the point of developing semi-synthetic penicillins? All of these are reasons for developing semi-synthetic penicillins a) To make them more easily absorbed by the bacteria b) To make them less toxic to bacteria c) To combat antibiotic resistance 3) Isoniazids can only be used against the Mycobacterium genus, making it a narrow spectrum drug. a) narrow spectrum drug b) both of these are true c) broad-spectrum d) none of these are true 3) MRSA (methicillin-resistant Staphylococcus aureus) acquired plasmid resistance via bacteriophages. This method of gene transfer is known as... a) transcription b) conjugation c. transduction d) transformation 4) When using the broth dilution test, MIC is a measure of antibiotic effectiveness, which indicates... all of these are correct the lowest concentration of the antibiotic that kills microbes the serum killing power of the antibiotic the lowest concentration of the antibiotic that inhibits microbial growth 5) Treating helminthic, fungal, and protozoan infections are challenging because... these organisms produce toxins these organisms are all eukaryotic and drugs used against them can also be toxic to humans all of these are correct these organisms are too small and can easily hide within human cells 6) Which of the following is NOT a mode of action of antiviral drugs? Block penetration Block nucleic acid synthesis Block maturation Disrupt membranes 7) Which of the following is/are characteristic(s) of chronic inflammation and NOT of acute inflammation? vasodilation scar tissue placement during tissue repair all of these are correct granulomatous tissue 8) All of the following is/are true of pyrogens EXCEPT... all of these are true of pyrogens they trigger an increase in body temperature they can be exogenous, for example, originating from the pathogen they can be produced by your own body 9) Opsonization can occur within the complement system. True False 10) Which of the following best describes cytokines? Cytokines are proteins that initiate DNA replication Cytokines are enzymes that catabolize nutrients Cytokines are proteins that are used to build large molecules Cytokines are signaling proteins that trigger cellular responses
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Question 17 (1 point) Populations that don't have the genetic variation they need to survive an environmental challenge will evolve on purpose in order to survive. True False Question 18 (1 point) Dogs are easily classified as a single species using the morphological species concept. true false
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