Blank 3 Typhoid fever is caused by a rod-shaped bacterium named Salmonella typhi transmitted through ingestion of contaminated food or water. Infection with this bacterium cannot be effectively treated with the antibiotic penicillin. Which of the following best explains this? a. penicillin is not effective for treating viral infections b. penicillin is not effective at treating bacteria containing a large amount of peptidoglycan c. penicillin is not effective at treating bacteria containing a large amount of lipopolysaccharide d. penicillin is not effective at treating bacteria transmitted through contaminated food or water e. penicillin is not effective at treating rod-shaped bacteria
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Typhoid fever is caused by a bacterium, specifically Salmonella typhi. This is a bacterial infection, not a viral one. Show more…
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47. Penicillin is most effective against infections caused by: a) Gram positive bacteria b) Viruses c) Fungi d) Protozoans e) Gram negative bacteria 48. The reason that one continues to get the common cold is that: a) The causative agent does not stimulate the immune system b) The causative agent hides inside of cells c) There are many different viruses that cause this disease d) Antibodies are not made against the virus e) None of the above 49. Which disease is transmitted through the bit of a mosquito? a) Yellow fever b) Mumps c) Hepatitis type A d) Viral pneumonia e) Walking pneumonia 50. What was one of the first and most useful microscopic tests for classification bacteria that is still important today? a) Gram stain b) Flagella stains c) Simple stain d) Negative stain for capsule e) Acid fast stain
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A physician has diagnosed a patient with gastrointestinal disease caused by Salmonella typhimurium (a G- bacterium). Is this physician likely to prescribe the antibiotic, penicillin? Justify your answer.
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The antibiotic used for the treatment of typhoid is (a) penicillin (b) terramycin (c) chloramphenicol (d) sulphadiazine
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