5. From your results, which type of antimicrobial agent was most effective again

Question

5. From your results, which type of antimicrobial agent was most effective against gram-negative bacteria! Against gram-positive bacteria! Critical Thinking 1. What effect would the presence of tetracycline in the body have on penicillin therapy 2. , The following resalts were obtained from a disk-diffusion test against a bacterium Antibiotic Zone of Inhibition (mm) 12 12 Which drug should be used to treat an infection caused by this bacterisum2 Briefly explain. 3. The broth dilution test can be used to determine the effectiveness of an antibiotic. In this test, serial dilutions of the antibiotic were set up in the wells of a microtiter plate. Equal amounts of broth culture of Saphylococ cus aeres were added to each well. After incubation, the wells were examined for bacterial growth no growth were subcultured in nutrient broth without the antibiotic. Resules were recorded as (+) for growth and ( for no growth. Antibiotic Dilution Growth Growth in Subculture 1:10 through 1:70 1:80 1:90 1:100 1:200 through 1:500 1:10 through l:150 1:160 1:170 1:180 1:190 through 1:500

Explanation / Answer

Answer-1

Penicillin therapy is useless when tetracycline is in the body. This happens becauae tetracycline limit the bacterial growth(i.e. bacteriostatic) while penicillin is effective at growing bacteria.

Answer-2

Antibiotic A &B are equally effective against bacterium because both have equal size of zone of inhition. Greater the size of zone of inhibition higher will be the antibiotic effectivness against particular bacterium.

Answer3

Related Questions

Navigate

• Browse (All)
• Browse 5
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.