Pharmacology Antibiotics Quiz
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Questions and Answers

What type of bacteria does Metronidazole primarily target?

  • Acid-fast bacteria
  • Anaerobic bacteria (correct)
  • Aerobic bacteria
  • Gram-negative bacteria

    • Which of the following characteristics apply to Rifampicin?

  • It is effective in neutral pH environments
  • It is hepatotoxic (correct)
  • It is bacteriostatic
  • It primarily targets aerobic bacteria

    • Which medications are included in the category of RNA synthesis inhibitors?

  • Metronidazole
  • Rifampicin (correct)
  • Moxifloxacin
  • Trimethoprim

    • What is a known effect of Rifampicin on other drugs?

    <p>It reduces their efficacy</p> Signup and view all the answers

    Which of the following organisms is Metronidazole used to treat infections caused by?

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

    What type of antibiotics are Trimethoprim and Sulfonamides classified as?

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

    Which of the following bacteria is not primarily targeted by Metronidazole?

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

    What is one of the specificities of Rifampicin?

    <p>It has activity in an acidic intracellular environment</p> Signup and view all the answers

    Which of the following characteristics define microaerophiles?

    <p>Need oxygen but are poisoned by high concentrations of it</p> Signup and view all the answers

    What is a distinctive feature of aerotolerant anaerobes?

    <p>Use fermentation to produce ATP and are not poisoned by oxygen</p> Signup and view all the answers

    Which family is characterized by being oxidase positive?

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

    Which type of mastitis is detectable only through increased somatic cell count (SCC) and decreased milk production?

    <p>Subclinical mastitis</p> Signup and view all the answers

    In the context of bacterial classification, which of the following bacteria is indole positive?

    <p>Escherichia coli</p> Signup and view all the answers

    What symptoms are indicative of severe clinical mastitis?

    <p>Systemic symptoms such as fever and loss of appetite</p> Signup and view all the answers

    Which of the following bacteria is known to produce hydrogen sulfide (H2S)?

    <p>Proteus spp.</p> Signup and view all the answers

    What is a common factor found in both physical trauma and pathogenic microorganisms regarding their role in mastitis?

    <p>They can cause mastitis by affecting udder health</p> Signup and view all the answers

    Which class of antibiotics is characterized by the -penem suffix?

    <p>Beta-lactam antibiotics</p> Signup and view all the answers

    Which bacteria are known to produce beta-lactamase?

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

    What is a major restriction in the use of carbapenems?

    <p>They are primarily used for multidrug resistant strains</p> Signup and view all the answers

    Which of the following is a beta-lactamase inhibitor?

    <p>Clavulanic acid</p> Signup and view all the answers

    Vancomycin is primarily used to target which type of bacteria?

    <p>Gram-positive bacteria</p> Signup and view all the answers

    What syndrome is often associated with hypersensitivity reactions to beta-lactam antibiotics?

    <p>Hemolytic anemia</p> Signup and view all the answers

    Which of the following bacteria is NOT commonly associated with beta-lactamase production?

    <p>Bacillus cereus</p> Signup and view all the answers

    Which property is NOT characteristic of beta-lactamase inhibitors?

    <p>They are always utilized alone without beta-lactams</p> Signup and view all the answers

    Which culture medium is NOT used for diagnosing Melitensis?

    <p>Nutrient Broth</p> Signup and view all the answers

    What indicates a positive result in the STAT serology test for Melitensis?

    <p>Titers greater than 1:160</p> Signup and view all the answers

    Which of the following is a limitation of the BBAT serology test?

    <p>Can yield false negatives due to the prozone phenomenon</p> Signup and view all the answers

    What is the primary use of the Brucellin Skin Test?

    <p>Screening unvaccinated herds in ruminants</p> Signup and view all the answers

    Which method is considered one of the most common serologic methods for diagnosing Melitensis?

    <p>Competitive ELISA</p> Signup and view all the answers

    What is the significance of a titer of 1:160 in serological testing for Melitensis?

    <p>Denotes presence of IgM or IgG antibodies</p> Signup and view all the answers

    At what temperature range should cultures for Melitensis be incubated?

    <p>25-42°C</p> Signup and view all the answers

    Which of the following tests requires confirmatory diagnosis if the result is positive?

    <p>Rose Bengal Agglutination Test</p> Signup and view all the answers

    What is a common characteristic of lesions caused by aureus infection?

    <p>Presence of necrosis and ulceration in the duct epithelium</p> Signup and view all the answers

    Which treatment is appropriate for mild cases of mastitis caused by aureus?

    <p>Intramammary antibiotics for 5-7 days</p> Signup and view all the answers

    What additional therapy is recommended for moderate cases of mastitis?

    <p>Supportive therapy with IV isotonics</p> Signup and view all the answers

    Which antibiotic is specifically noted for use in severe cases of mastitis?

    <p>Clavulanic acid potentiated amoxicillin</p> Signup and view all the answers

    What is indicated by an increase in somatic cell count (SCC) during the early stages of Streptococcus agalactiae mastitis?

    <p>Early stage of infection</p> Signup and view all the answers

    What is a possible clinical sign of mastitis associated with Streptococcus agalactiae in older cattle during early lactation?

    <p>High bacterial count and marked reduction in milk production</p> Signup and view all the answers

    What are the consequences of untreated severe mastitis that shows signs of cold and blue/black discoloration?

    <p>Potential requirement for mastectomy</p> Signup and view all the answers

    Which of the following features characterizes the presence of fibrosis and sclerosis in the udder due to chronic mastitis?

    <p>Significant scarring and tissue hardening</p> Signup and view all the answers

    What could be indicated by the presence of proteinaceous material in the lumen of alveoli during microscopic examination?

    <p>Active inflammation and infection</p> Signup and view all the answers

    What factor limits the somatic cell count for Swiss, EU, and USA standards of milk quality?

    <p>Specific SCC limits vary by region: Swiss 350, EU 400, USA 500</p> Signup and view all the answers

    What is one of the primary entry routes for pathogens in males?

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

    What is a characteristic of female reproductive tract disorders associated with infection?

    <p>Frequently results in abortions</p> Signup and view all the answers

    Which of the following is NOT a lesion associated with males infected with the disease?

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

    How do pathogens typically spread systemically in females after initial entry?

    <p>Through lymphatic system</p> Signup and view all the answers

    Which lab test is primarily used for culture detection of the bacteria in the acute stage?

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

    What is a common manifestation of joint disorders in infected individuals?

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

    Which of the following is indicative of an acute infection in males?

    <p>Inflammation of seminal vesicles</p> Signup and view all the answers

    What preventative measure is recommended when endemic issues are present?

    <p>Vaccine administration</p> Signup and view all the answers

    Which of the following symptoms is associated with weak newborns due to infections?

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

    What is one of the diagnosable lesions observed in the uterus of infected females?

    <p>Hyperemia + Edema</p> Signup and view all the answers

    What is a potential consequence of bacteremia in pregnant females?

    <p>Foetal abortion</p> Signup and view all the answers

    Which method is least valuable for diagnosing the bacteria in chronic cases?

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

    What can happen to the liver in chronic cases of the infection?

    <p>Increased liver volume and necrosis</p> Signup and view all the answers

    Study Notes

    Infectious Disease MV5 S1

    • The course content covers a range of infectious diseases.
    • The image used is a meme, referring to a significant event as "the great shit storm of our time."
    • The following information is based primarily on content from pages 2-14.
    • Significant topics include antibiotics and various disease complexes, listing specific bacteria and their implications on numerous animals (Cattle, Pigs, Horses, etc).

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    Description

    Test your knowledge on antibiotics and their mechanisms with this quiz. Focus on key medications like Metronidazole and Rifampicin while exploring their specific uses and effects. Perfect for pharmacology students or anyone interested in antibiotic treatment.

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