Homework Answers
1.of the above four c and d has antimicrobial activity, because they show zone of inhibition. a and b don't have antimicrobial activity.
2.C has the largest zone of inhibition, thus have the greatest antimicrobial activity.
3.Specific agar plate has been inoculated with bacteria to be tested. Tested by kirby-bauer method, here small disc containing different antibiotic is placed.
4.The diameter of zone of inhibition also correlates to the sensitivity of a bacterium to an antibiotic.
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1. Of the 4 labeled disinfectants, which have antimicrobial activity and which do not? 2. Of...
1. What does each disc have a precise amount of? SLIDE 3 KIRBY-BAUER ANTIBIOTIC SENSITIVITY PLATE...
1. What does each disc have a precise amount of? SLIDE 3 KIRBY-BAUER ANTIBIOTIC SENSITIVITY PLATE USING MEULLER-HINTON AGAR 2. Does a large zone of inhibition automatically qualify the antibiotic as effective and thus the organisms (sensitive)? 3. How do you know if any one of these zones of inhibition deems the organisms (sensitive) to the antibiotic? 4. What does this agar (MEULLER-HINTON AGAR) control for (how does this agar put all the antibiotics on an equal footing)? 5. Circle...
Name Antimicrobial Susceptibility & UV Radiation 3 Chart 1. Antimicrobial Information (Complete BEFORE LAB Session )...
Name Antimicrobial Susceptibility & UV Radiation 3 Chart 1. Antimicrobial Information (Complete BEFORE LAB Session ) Describe the mode of action: (inhibition of cell wall...protein...nucleic acid...folic acid... synthesis, disruption of membrane function for the antimicrobials Nsted. Antibiotiel Code Mode of Action Other Information Antimicrobial (know this for lab exam) Bacitracin 310 Ciprofloxacin CIP5 Clindamycin CC2 Chloramphenicol C 30 Erythromycin E15 Penicillin G P 10 Polymyxin B (Colistin) PB 300 (CL 10) Rifampin RAS Streptomycin S10 Tetracycline TE30 Triple Sulfa 1559250...
2) List the major targets of an antimicrobial drug. What do all of these targets have...
2) List the major targets of an antimicrobial drug. What do all of these targets have in common? 3) Why is the Kirby-Bauer test standardized? 4) What is the advantage of the broth dilution tests for antibiotic sensitivity over the Kirby Bauer? 5) In general, why are Gram negative bacteria resistant to some of the antibiotics that Gram positive bacteria are sensitive to? 6) Fill in the following chart. ANTIBIOTIC CELLULAR TARGET AMPICILLIN CHLORAMPHENICOL ERYTHROMYCIN GENTAMICIN PENICILLIN STREPTOMYCIN TETRACYCLIN VANCOMYCIN
can you please help me with Qs 1-6 thanks ! LAB EXERCISE #6: Kirby-Bauer Disk Diffusion...
can
you please help me with Qs 1-6
thanks !
LAB EXERCISE #6: Kirby-Bauer Disk Diffusion Test for Antibiotie Sensitivity Determination The Kirby Bauer Test is an agar diffusion test that is used to determine the effectiveness of antibiotics killing various species of bacteria. Filter paper disks saturated with the antibiotic of interest are placed a Mueller-Hinton agar plate on which bacteria that has been isolated from a clinical sample has been sarcad. The antibiotic then diffuses from the disk...
please help asap 2. Which of these disinfectants would be effect at a 60-95% cncentration? A....
please help asap
2. Which of these disinfectants would be effect at a 60-95% cncentration? A. Halogens B. Alcohols C. Chlorhexidene D. All of the above 3. Most of the available antimicrobial drugs are effective against which group of organisms? A. Viruses. B. Bacteria C. Fungi. D. Protozoa. E. All of the above. The autoclave works through which of the following methods? A. High dry heat B. High pressure C. High moist heat D. High dry heat and pressure E....
MODULE 15 EFFECTS OF DISINFECTANTS AND ANTISEPTICS OBJECTIVES Be familiar or be able to describe 1)...
MODULE 15 EFFECTS OF DISINFECTANTS AND ANTISEPTICS OBJECTIVES Be familiar or be able to describe 1) Antimicrobial substances: Chemical and biological 2) Bacteriocidal versus Bacteriostatic chemicals 3) Sterilization versus disinfection by chemical antimicrobials 4) Difference between disinfectants, antisepties, and antibiotics in terms of a. Antimicrobial activity b. Where they would be used c. Role of organic matter in their effectiveness d. Differential effects on Gram positive and Gram negative bacteria. 5) Phenol coefficient test 6) Disk Diffusion method of assessing...
microbiology help TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will...
microbiology help
TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will serve in lieu of a lab report for Exercise 15, 16, and 17 You will find the answer to these questions in the background, procedure, results and interpretation sections of manual Exercise 15, 16, and 17, videos, Actions of Selective and Differential Media Chart, and the Principle/Theory article in homework section.) General Questions 1. What is the purpose (function) of selective media? (How does...
1. What does each disc have a precise amount of? SLIDE 3 KIRBY-BAUER ANTIBIOTIC SENSITIVITY PLATE USING MEULLER-HINTON AGAR 2. Does a large zone of inhibition automatically qualify the antibiotic as effective and thus the organisms (sensitive)? 3. How do you know if any one of these zones of inhibition deems the organisms (sensitive) to the antibiotic? 4. What does this agar (MEULLER-HINTON AGAR) control for (how does this agar put all the antibiotics on an equal footing)? 5. Circle...
Name Antimicrobial Susceptibility & UV Radiation 3 Chart 1. Antimicrobial Information (Complete BEFORE LAB Session ) Describe the mode of action: (inhibition of cell wall...protein...nucleic acid...folic acid... synthesis, disruption of membrane function for the antimicrobials Nsted. Antibiotiel Code Mode of Action Other Information Antimicrobial (know this for lab exam) Bacitracin 310 Ciprofloxacin CIP5 Clindamycin CC2 Chloramphenicol C 30 Erythromycin E15 Penicillin G P 10 Polymyxin B (Colistin) PB 300 (CL 10) Rifampin RAS Streptomycin S10 Tetracycline TE30 Triple Sulfa 1559250...
2) List the major targets of an antimicrobial drug. What do all of these targets have in common? 3) Why is the Kirby-Bauer test standardized? 4) What is the advantage of the broth dilution tests for antibiotic sensitivity over the Kirby Bauer? 5) In general, why are Gram negative bacteria resistant to some of the antibiotics that Gram positive bacteria are sensitive to? 6) Fill in the following chart. ANTIBIOTIC CELLULAR TARGET AMPICILLIN CHLORAMPHENICOL ERYTHROMYCIN GENTAMICIN PENICILLIN STREPTOMYCIN TETRACYCLIN VANCOMYCIN
can
you please help me with Qs 1-6
thanks !
LAB EXERCISE #6: Kirby-Bauer Disk Diffusion Test for Antibiotie Sensitivity Determination The Kirby Bauer Test is an agar diffusion test that is used to determine the effectiveness of antibiotics killing various species of bacteria. Filter paper disks saturated with the antibiotic of interest are placed a Mueller-Hinton agar plate on which bacteria that has been isolated from a clinical sample has been sarcad. The antibiotic then diffuses from the disk...
please help asap
2. Which of these disinfectants would be effect at a 60-95% cncentration? A. Halogens B. Alcohols C. Chlorhexidene D. All of the above 3. Most of the available antimicrobial drugs are effective against which group of organisms? A. Viruses. B. Bacteria C. Fungi. D. Protozoa. E. All of the above. The autoclave works through which of the following methods? A. High dry heat B. High pressure C. High moist heat D. High dry heat and pressure E....
MODULE 15 EFFECTS OF DISINFECTANTS AND ANTISEPTICS OBJECTIVES Be familiar or be able to describe 1) Antimicrobial substances: Chemical and biological 2) Bacteriocidal versus Bacteriostatic chemicals 3) Sterilization versus disinfection by chemical antimicrobials 4) Difference between disinfectants, antisepties, and antibiotics in terms of a. Antimicrobial activity b. Where they would be used c. Role of organic matter in their effectiveness d. Differential effects on Gram positive and Gram negative bacteria. 5) Phenol coefficient test 6) Disk Diffusion method of assessing...
microbiology help
TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will serve in lieu of a lab report for Exercise 15, 16, and 17 You will find the answer to these questions in the background, procedure, results and interpretation sections of manual Exercise 15, 16, and 17, videos, Actions of Selective and Differential Media Chart, and the Principle/Theory article in homework section.) General Questions 1. What is the purpose (function) of selective media? (How does...
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