Spirochetes
23 Questions
0 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 primary target of amoxicillin?

  • Small genome
  • Cell wall (correct)
  • Spiral-shaped STIs
  • Protein synthesis

Why is Treponema pallidum considered an obligate parasite?

  • It has fastidious nutrient requirements
  • It has a small genome
  • It is challenging to grow in the lab
  • It can only live inside a host (correct)

Which method is used to determine the virulence factors of Treponema pallidum?

  • Infection models with rabbits
  • Solid media culture
  • Serology antibody detection
  • Co-culture with rabbit epithelial cells (correct)

What is the primary mode of transmission for Treponema pallidum?

<p>Sexual contact (C)</p> Signup and view all the answers

What is the overall trend in the annual cases of T. pallidum infections?

<p>Increasing annually (C)</p> Signup and view all the answers

Which bacterial component does penicillin target in order to exert its antibiotic effect?

<p>Cell membrane fluidity (D)</p> Signup and view all the answers

How does Treponema pallidum maintain fluidity in its cell membranes?

<p>By using cholesterol (B)</p> Signup and view all the answers

What is responsible for the spiral shape of the bacteria mentioned in the text?

<p>Internal flagella (D)</p> Signup and view all the answers

Why are the bacteria described as fastidious?

<p>They cannot make their own amino acids (C)</p> Signup and view all the answers

How do extracellular pathogens differ from intracellular pathogens?

<p>They invade host cells to replicate (C)</p> Signup and view all the answers

What role do the outer surface proteins play in these bacteria?

<p>Avoiding antibody clearance (A)</p> Signup and view all the answers

Why is Lyme disease mentioned in the text?

<p>To highlight the role of ticks in transmitting diseases (C)</p> Signup and view all the answers

What is the significance of the bacteria being more similar to humans than other bacteria in terms of genome structure?

<p>They carry linear segmented genome (D)</p> Signup and view all the answers

How do female ticks contribute to the spread of Lyme disease?

<p>By hosting up to 2,000 larval ticks infected with Borrelia (B)</p> Signup and view all the answers

What makes it difficult for the tick to mouthparts of the host?

<p>Calcified harpoon structure (B)</p> Signup and view all the answers

How is the diagnostic confirmation of the bacteria transmitted by ticks usually done?

<p>Through serology by producing antibodies against the bacteria (B)</p> Signup and view all the answers

What is the significance of the soft body tick Ornithodoros in disease transmission?

<p>Feeds rapidly but in small meals (B)</p> Signup and view all the answers

How does the transmission of Lyme Disease and Relapsing Fever differ in terms of the incubation period?

<p>Lyme Disease has a 48-hour incubation, while Relapsing Fever has a 15-day incubation (B)</p> Signup and view all the answers

Why does the spike in bacteria in the blood occur around days 5-6 during infection?

<p>Bacteria undergo an antigenic switch (C)</p> Signup and view all the answers

What makes louse-born relapsing fever significant during WWI?

<p>It caused most deaths from bacterial infections, especially body louse rickettsia (D)</p> Signup and view all the answers

'Flathead Lake' in Montana is associated with which disease transmission vector?

<p>'Softbody tick' (B)</p> Signup and view all the answers

'Sub Saharan Africa' is mentioned in connection with which type of tick attraction?

<p>'Carbon dioxide' (D)</p> Signup and view all the answers

'Protozoan parasite Plasmodium' is mentioned for which disease, despite having no effect on relapsing fever bacteria?

<p>'Malaria' (A)</p> Signup and view all the answers

More Like This

Quiz sur la syphilis
10 questions

Quiz sur la syphilis

SparklingReasoning avatar
SparklingReasoning
Syphilis: Causes, Symptoms, and Stages
11 questions
Use Quizgecko on...
Browser
Browser