HTH SCI 2CO6 McMaster University Course Planner Details
27 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

Which of the following is an example of a Gram-negative bacterium?

  • Streptococcus
  • Listeria
  • Staphylococcus
  • Escherichia coli (correct)
  • In the context of bacteria shapes, which shape is characteristic of Neisseria bacteria?

  • Spiral shaped
  • Cocci (correct)
  • Filamentous
  • Rods
  • Which statement best describes the role of penicillins in bacterial infections?

  • Penicillins are effective against anaerobic bacteria only.
  • Penicillins are examples of sulfonamides.
  • Penicillins are broad-spectrum antibiotics targeting bacterial cell walls. (correct)
  • Penicillins are bacteriostatic and inhibit protein synthesis.
  • What is the primary action of aminoglycosides in treating bacterial infections?

    <p>Inhibit protein synthesis in bacteria</p> Signup and view all the answers

    'Normal Flora' or 'Microbiome' refers to...

    <p>'Normal Flora' is the same as 'Commensals' within the body.</p> Signup and view all the answers

    'Virulence Factors' in bacteria refer to...

    <p>'Virulence Factors' increase a bacterium's ability to cause disease.</p> Signup and view all the answers

    'Antiphagocytic factors' in bacterial virulence refer to...

    <p>'Antiphagocytic factors' help bacteria avoid being engulfed by immune cells.</p> Signup and view all the answers

    What is the primary target of Tetracyclines in treating bacterial infections?

    <p>Inhibits protein synthesis in bacteria</p> Signup and view all the answers

    What is the main characteristic feature of Gram-negative bacteria's cell walls?

    <p>High lipid content with periplasmic space</p> Signup and view all the answers

    Which family of antibiotics includes drugs like Ciprofloxacin and Levofloxacin?

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

    What is the primary mechanism of action of sulfonamides in bacterial infections?

    <p>Inhibit folic acid pathway in bacteria</p> Signup and view all the answers

    How many In-person Grand Rounds must a student participate in over the term?

    <p>6</p> Signup and view all the answers

    What is the main focus of the Online Quizzes on A2L?

    <p>Practical applications</p> Signup and view all the answers

    Which antibiotic is known for its activity against Gram-positive cocci and is commonly used for the treatment of MRSA infections?

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

    Among the following, which antibiotic exhibits activity against both Gram-positive and Gram-negative bacteria?

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

    Which antibiotic combination is specifically designed to overcome beta-lactamase resistance mechanisms in bacteria?

    <p>Tazobactam and Clavulanate</p> Signup and view all the answers

    In the context of medically important viruses, which virus type has a genome consisting of single-stranded RNA enclosed in an icosahedral capsid?

    <p>Single Stranded RNA Icosahedral Virus</p> Signup and view all the answers

    What is the key difference between pathophysiology and pathogenesis in the context of diseases?

    <p>Pathophysiology examines physiological responses to diseases, while pathogenesis studies the sequence of events in disease development.</p> Signup and view all the answers

    Which bacterial shape is NOT correctly matched with its respective bacterium?

    <p>Cocci - Listeria</p> Signup and view all the answers

    What is the primary characteristic feature of Gram-positive bacteria's cell walls?

    <p>Vulnerability to lysozyme and penicillin attack</p> Signup and view all the answers

    Which bacterium is classified as an obligate intracellular parasite according to the provided text?

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

    What enzyme is targeted by Penicillins in treating bacterial infections?

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

    Which antibiotic family is commonly used for individuals allergic to penicillin?

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

    What is the primary action of Aminoglycosides on bacterial infections?

    <p>Inhibits protein synthesis</p> Signup and view all the answers

    Which bacterium is commonly associated with causing stomach ulcers?

    <p>Helicobacter pylori</p> Signup and view all the answers

    What is the main distinction between Gram-negative and Gram-positive bacteria in terms of oxygen tolerance?

    <p>Gram-negative bacteria are resistant to oxygen-dependent antibiotics, while Gram-positive bacteria are not.</p> Signup and view all the answers

    Which bacterium is characterized by lacking a cell wall according to the text?

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

    More Like This

    Use Quizgecko on...
    Browser
    Browser