Microbiology: Human Exposure to Microbes
12 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 site of permanent microbe residence in the human body?

  • Kidneys
  • Brain
  • Skin (correct)
  • Liver

What is an example of how postnatal exposure to different sources of flora can influence health and development?

  • Caesarean section instead of normal birth (correct)
  • Prolonged exposure to sunlight
  • Consuming probiotics
  • Regular exercise

What is an example of a systemic body function that is influenced by gut microbe-mediated developmental outcomes?

  • Spleen development (correct)
  • Pancreas function
  • Heart rate regulation
  • Lung function

What is the term for an interaction where one organism is inhibited and the other is not affected?

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

Why do germ-free mice models have defective spleen cells?

<p>Due to lack of gut microbiota (A)</p> Signup and view all the answers

What is the term for an interaction where both organisms benefit?

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

What is the primary characteristic of a parasitic relationship?

<p>One side benefits at the other’s expense (C)</p> Signup and view all the answers

What is the estimated number of bacteria in the human colon?

<p>10^11 to 10^12 (A)</p> Signup and view all the answers

What is the primary function of bacteroides and firmicutes in the gut?

<p>Consuming polysaccharides and performing fermentative metabolism (B)</p> Signup and view all the answers

What is the consequence of a lack of gut microflora on the enteric nervous system?

<p>Underdeveloped enteric nervous system (C)</p> Signup and view all the answers

What percentage of microbial cells in the human body are bacteria?

<p>98% (C)</p> Signup and view all the answers

What is the term for the relationship between two organisms where one benefits and the other is not affected?

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

More Like This

Microbial Biofilms and Human Microbiome
15 questions
Microbiology: Study of Microbes
12 questions
Microbiology: Viruses and Human Microbiome
45 questions
Lab Experiment on Microbes and Hand Washing
38 questions
Use Quizgecko on...
Browser
Browser