Recent Lessons

Show all results for ""

Micro-organisms: Preventing Infection Spread

11 Questions

0 Views

Micro-organisms: Preventing Infection Spread

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 second line of defence against infection?

The immune response that occurs after the pathogen has entered the body (correct)
The prevention of pathogens from entering the body
The destruction of pathogens by antibiotics
The activation of the immune system by vaccines

What happens to blood vessels during inflammation?

They constrict and become less permeable
They disappear
They widen and become more permeable (correct)
They remain unchanged

What is the purpose of fever in response to infection?

To cause inflammation
To activate the immune system
To restrict the growth of bacteria (correct)
To promote the growth of bacteria

What is the role of phagocytes in the inflammatory response?

To engulf and destroy bacteria (A) Signup and view all the answers

What is the result of the release of histamine during tissue injury?

Widening and increased leakiness of local blood vessels (B) Signup and view all the answers

What is the primary purpose of inflammation in response to infection?

To prevent the spread of pathogens to other areas in the body (A) Signup and view all the answers

What is the effect of fever on bacterial reproduction?

It restricts bacterial growth (A) Signup and view all the answers

What is the role of histamine in tissue injury?

It widens blood vessels (A) Signup and view all the answers

What is the result of the widening of blood vessels during inflammation?

Increased blood flow to the affected area (A) Signup and view all the answers

What is the role of macrophages in the inflammatory response?

They engulf and destroy bacteria (D) Signup and view all the answers

What is the overall goal of the inflammatory response?

To prevent the spread of pathogens to other areas (D) Signup and view all the answers