Protein Synthesis and Aminoglycosides Quiz
33 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the minimum bactericidal concentration (MBC)?

  • The amount of drug that inhibits the immune system
  • The least amount of drug to inhibit growth of bacteria
  • The least amount of drug to kill 99.99% of an organism (correct)
  • The amount of drug that is always precise

    • What is the main reason for antibiotic resistance in animal feed?

  • Antibiotics in animal feed (correct)
  • Lack of regulation for antibiotic use in animals
  • Natural immunity in animals
  • Overuse of oral antibiotics

    • What are probiotics mainly used for?

  • To increase antibiotic resistance
  • To treat bacterial infections
  • To improve microbial balance (correct)
  • To treat viral infections

    • Which bacteria are included in the 80-90% of eyes?

    <p>Coagulase negative staphylococci, Propionibacterium acnes, Corynebacterium species</p> Signup and view all the answers

    What does bacteriostatic mean?

    <p>Inhibits bacterial growth and works with immune system</p> Signup and view all the answers

    Which infectious conditions are oral antibiotics indicated for?

    <p>Meibomianitis, internal hordeolum, chlamydial conjunctivitis</p> Signup and view all the answers

    What is the function of minimum inhibitory concentration (MIC)?

    <p>To inhibit bacterial growth</p> Signup and view all the answers

    How are probiotics regulated?

    <p>'As dietary supplements and food'</p> Signup and view all the answers

    Which mechanism of action is associated with sauerkraut, yogurt, pickles, kefir, and kimchi?

    <p>Decreasing colonization by pathogenic organisms</p> Signup and view all the answers

    Which antibiotic is NOT inactivated by penicillinase and is therefore pregnancy safe?

    <p>Dicloxacillin</p> Signup and view all the answers

    What is the main effect of penicillins on bacterial cells?

    <p>Blocking the PEP side chain cross-linking in peptidoglycan synthesis</p> Signup and view all the answers

    Which type of infection is topical antibiotics indicated for?

    <p>Corneal ulcer</p> Signup and view all the answers

    What is the function of oral contraceptives while a person is on oral antibiotics?

    <p>Reduced activity due to increased liver p450 enzyme induction</p> Signup and view all the answers

    Which antibiotic class has bactericidal activity against both Gram-positive and Gram-negative bacteria?

    <p>Penicillins</p> Signup and view all the answers

    What is the effect of fermented foods like sauerkraut on gut epithelial cells?

    <p>Enhancing mucin production from gut epithelial cells</p> Signup and view all the answers

    Which antibiotic is resistant to penicillinase and good against Gram-negative bacteria?

    <p>Amoxicillin and clavulanate (Augmentin)</p> Signup and view all the answers

    Which class of antibiotics interferes with protein synthesis by binding to the 30S subunit, allowing misreading of mRNA, causing mutation, and premature chain termination?

    <p>Aminoglycosides</p> Signup and view all the answers

    Which antibiotic is useful against Pseudomonas and is similar to gentamicin but more sensitive to some resistant pseudomonas strains and Pseudomonas aeruginosa?

    <p>Tobramycin</p> Signup and view all the answers

    Which antibiotic is used in combination with dexamethasone as TobraDex and has less adverse drug reactions?

    <p>Tobramycin</p> Signup and view all the answers

    Which antibiotic is reported to have corneal and conjunctival toxicity, as well as allergic reactions as adverse drug reactions?

    <p>Gentamicin</p> Signup and view all the answers

    Which class of antibiotics is effective against both gram-positive and gram-negative bacteria, as well as chlamydia, and is related to anti-collagenolytic activity?

    <p>Tetracyclines</p> Signup and view all the answers

    Which antibiotic is not used ophthalmically, administered through injection, and used in traumatic endophthalmitis and bacterial keratitis?

    <p>Amikacin</p> Signup and view all the answers

    Which antibiotic is ineffective against Pseudomonas aeruginosa, used in combination, and reported to cause drug sensitization such as contact dermatitis?

    <p>Neomycin</p> Signup and view all the answers

    Which antibiotic is useful against streptococcus, ineffective against pseudomonas, and has adverse drug reactions related to corneal and conjunctival toxicity?

    <p>Gentamicin</p> Signup and view all the answers

    Which antibiotic is indicated for acne rosacea, chlamydia, meibomianitis, and ocular surface inflammatory disease?

    <p>Doxycycline</p> Signup and view all the answers

    Which antibiotic is replaced by erythromycin for neonatal prophylaxis?

    <p>Tetracycline</p> Signup and view all the answers

    Which antibiotic may take with food and is used for chlamydia, acne rosacea, meibomianitis, and ocular surface inflammatory disease?

    <p>Doxycycline</p> Signup and view all the answers

    Which antibiotic is NOT indicated for neonatal prophylaxis and contains 30mg immediate release and 10mg delayed release?

    <p>ORACEA</p> Signup and view all the answers

    Which antibiotic may cause vestibular toxicity and decreased cerebrospinal fluid absorption?

    <p>Minocycline</p> Signup and view all the answers

    Which antibiotic is used in traumatic endophthalmitis and bacterial keratitis?

    <p>Chloramphenicol</p> Signup and view all the answers

    Which antibiotic class includes erythromycin, azithromycin, and clarithromycin?

    <p>Macrolides</p> Signup and view all the answers

    Which antibiotic has adverse drug reactions related to changes in tooth development, blood dyscrasias, and vestibular toxicity?

    <p>Doxycycline</p> Signup and view all the answers

    Which statement about ORACEA is correct?

    Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser