Homework Answers
Question: Which antimicrobial drug has narrow spectrum of activity?
Answer: Vancomycin has a narrow spectrum of activity as it prevents bacterial infection, responsible for the disease called colitis. Other drugs listed as an option (i.e. Tetracyclin, Chloramphenicol, and Streptomycin) are used a broad spectrum antibiotic compounds.
Question: Quinolones are synthetic antimicrobials that........
Answer: Inhibits DNA replication by preventing the activity of enzymes (Topoisomerase IV, gyrase), which results in bacterial cell death.
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Which antimicrobial drug has narrow spectrum of activity? Tetracyclines Chloramphenicol Streptomycin Vancomycin 12. Quinolones are synthetic...
12. Which of the following antimicrobial agents has the fewest side effects? a. Tetracycline b. Penicillin...
12. Which of the following antimicrobial agents has the fewest side effects? a. Tetracycline b. Penicillin c. Chloramphenicol d. Erythromycin 13. Which of the following antibodies does not interfere with cell wall synthesis? a. Cephalosporins b. Natural penicillins c. Semisynthetic penicillins d. Macrolides e. Vancomycin 14. Which of the following would be selective against tubercle bacillus? a. b. e. d. e. Vancomycin- inhibits peptidoglycan synthesis Bacitracin- inhibits peptidoglycan synthesis Streptomycin- inhibits protein synthesis Ethambutol- inhibits mycolic acid synthesis Streptogramin- inhibits...
3. Which of these antibiotics would be classified as narrow-spectrum antibiotics? grampos sneg) 4. Which of...
3. Which of these antibiotics would be classified as narrow-spectrum antibiotics? grampos sneg) 4. Which of these antibiotics would be classified as broad-spectrum antibiotics? lics? (will kill both 5a. Ampicillin is a form of penicillin. If the zone of inhibition for a susceptible strain of E. coli is mm, and for a strain of S. aureus is 29 mm, which one is inhibited by the lower concentration or ampicillin? 5b. Would you need a higher dose of ampicillin to cure...
1.) Which antibiotic target could have the most toxicity associated with it? A. 50 S ribosomal...
1.) Which antibiotic target could have the most toxicity associated with it? A. 50 S ribosomal subunit B. folic acid synthesis metabolic pathway C. cell wall D. cell membrane 2.) You are hoping to discover a new antimicrobial drug that targets fungi. Which structure might you hope to have your antimicrobial target to minimize toxicity? A. ribosomes B. chitin C. peptidoglycan D. phospholipids of plasma membrane 3.) An antiviral drug that blocks the activity of the enzyme integrase is used...
When the term parenteral is used in regards to drug administration, this applies to drugs administered...
When the term parenteral is used in regards to drug administration, this applies to drugs administered _____ (choose all that apply). Select one or more: a. intravenously b. orally c. intramuscularly d. topically Protein synthesis occurs in all living cells. Why, then, are some antimicrobial drugs that target protein synthesis selectively toxic to bacteria? Select one: a. The protein synthesis in human cells occurs less frequently than that in bacterial cells. b. The ribosomes found in human cells and those...
Chapter 12 Study Guide 1. What are the bacterial cell targets of the different antibiotics? 2....
Chapter 12 Study Guide 1. What are the bacterial cell targets of the different antibiotics? 2. Define the following terms: a. Antibiotic resistance b. Antibiotic sensitivity c. Broad-spectrum antibiotic d. Narrow-spectrum antibiotic e. Semisynthetic antibiotic 3. Describe the mechanism of action (target) for the following antibiotics: a. Penicillins (including semisynthetics) b. Cephalosporins c. Quinolones and Fluoroquinolones d. Bacitracin e. Vancomycin f. Carbapenems g. Tetracyclines h. Sulfonamides i. Polymyxin B j. Aminoglycosides k. Macrolides I. Chloramphenicol m. Oxazolidones n. Isoniazid o....
Page 6 of 8 4 Radiation is changed les energy to breaks DNA (Gamma DNA replication)...
Page 6 of 8 4 Radiation is changed les energy to breaks DNA (Gamma DNA replication) No r dian (UV creates pynimidine dimers that inhibit DNA replication Al the above None of the above Filtration is the physical removal of microbes by pening age or liquid through a fiber Tor F Chemical Agents in Microbial Control include Disinfectants, antiseptics, sterilants, degermees, and preservatives. Some desirable qualities of chemicals include modation in bw concentration brand pastrum s botiaily à all the...
12. Antimicrobials may a. produce allergic reactions b. produce toxic effects not only to the microbe...
12. Antimicrobials may a. produce allergic reactions b. produce toxic effects not only to the microbe but to the hoat c. kill bacteria in our bodies all the above 13. All of the following pertain to the role ofactivated helper T cells in cellular mediatesd immunity except a. differentiation into memory Th cells b. recognize MHC with antigenic peptide on macrophages c. activate Te cells indirectly lead to cytolysis through complement e. indirectl y lead to phagocytosis of large microorganisms...
LeyUUL CICILILED W H ILI AaBbccde ABBCODE AaBbCcDc AaBbccode Aa Heading 2 No Spacing Heading 1...
LeyUUL CICILILED W H ILI AaBbccde ABBCODE AaBbCcDc AaBbccode Aa Heading 2 No Spacing Heading 1 AAAA * ADA IAD 1) Common drugs originate from A) Natural products B) laboratory synthesis Chemical derivatives D) all of the above 2) A medicine is a drug that A) Provides a euphoric effect B) Is isolated from a plant C) Kills bacteria D) Has therapeutic properties 3) Which of the following would be an example of a synergistic effect? A) Aspirin reduces fever...
12. Which of the following antimicrobial agents has the fewest side effects? a. Tetracycline b. Penicillin c. Chloramphenicol d. Erythromycin 13. Which of the following antibodies does not interfere with cell wall synthesis? a. Cephalosporins b. Natural penicillins c. Semisynthetic penicillins d. Macrolides e. Vancomycin 14. Which of the following would be selective against tubercle bacillus? a. b. e. d. e. Vancomycin- inhibits peptidoglycan synthesis Bacitracin- inhibits peptidoglycan synthesis Streptomycin- inhibits protein synthesis Ethambutol- inhibits mycolic acid synthesis Streptogramin- inhibits...
3. Which of these antibiotics would be classified as narrow-spectrum antibiotics? grampos sneg) 4. Which of these antibiotics would be classified as broad-spectrum antibiotics? lics? (will kill both 5a. Ampicillin is a form of penicillin. If the zone of inhibition for a susceptible strain of E. coli is mm, and for a strain of S. aureus is 29 mm, which one is inhibited by the lower concentration or ampicillin? 5b. Would you need a higher dose of ampicillin to cure...
Chapter 12 Study Guide 1. What are the bacterial cell targets of the different antibiotics? 2. Define the following terms: a. Antibiotic resistance b. Antibiotic sensitivity c. Broad-spectrum antibiotic d. Narrow-spectrum antibiotic e. Semisynthetic antibiotic 3. Describe the mechanism of action (target) for the following antibiotics: a. Penicillins (including semisynthetics) b. Cephalosporins c. Quinolones and Fluoroquinolones d. Bacitracin e. Vancomycin f. Carbapenems g. Tetracyclines h. Sulfonamides i. Polymyxin B j. Aminoglycosides k. Macrolides I. Chloramphenicol m. Oxazolidones n. Isoniazid o....
Page 6 of 8 4 Radiation is changed les energy to breaks DNA (Gamma DNA replication) No r dian (UV creates pynimidine dimers that inhibit DNA replication Al the above None of the above Filtration is the physical removal of microbes by pening age or liquid through a fiber Tor F Chemical Agents in Microbial Control include Disinfectants, antiseptics, sterilants, degermees, and preservatives. Some desirable qualities of chemicals include modation in bw concentration brand pastrum s botiaily à all the...
12. Antimicrobials may a. produce allergic reactions b. produce toxic effects not only to the microbe but to the hoat c. kill bacteria in our bodies all the above 13. All of the following pertain to the role ofactivated helper T cells in cellular mediatesd immunity except a. differentiation into memory Th cells b. recognize MHC with antigenic peptide on macrophages c. activate Te cells indirectly lead to cytolysis through complement e. indirectl y lead to phagocytosis of large microorganisms...
LeyUUL CICILILED W H ILI AaBbccde ABBCODE AaBbCcDc AaBbccode Aa Heading 2 No Spacing Heading 1 AAAA * ADA IAD 1) Common drugs originate from A) Natural products B) laboratory synthesis Chemical derivatives D) all of the above 2) A medicine is a drug that A) Provides a euphoric effect B) Is isolated from a plant C) Kills bacteria D) Has therapeutic properties 3) Which of the following would be an example of a synergistic effect? A) Aspirin reduces fever...
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