Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

10 Questions

0 Views

Innate Immunity

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 mechanism is responsible for killing foreign microbes and eliminating damaged tissue in innate immunity?

Phagocytosis

Antiviral defense

Acute-inflammatory response (correct)

Pattern recognition receptors

Which cells are responsible for killing virus-infected cells in innate immunity?

Leukocytes

Natural killer cells (correct)

Phagocytes

Plasma proteins

What do cytokines and type-1 interferons do in innate immunity?

Kill foreign microbes

Block viral replication in host cells (correct)

Recognize shared structures

Eliminate damaged tissue

Which structures do phagocytes recognize to identify potential pathogens in innate immunity?

Unmethylated CpG nucleotides Signup and view all the answers

What are the receptors of the innate immune response that recognize shared structures called?

Pattern recognition receptors Signup and view all the answers

What is the main function of neutrophils in the immune response?

Neutrophils are the first cells to respond to infections, especially bacterial and fungal, and they gather at the site of infection to remove cell debris and trap bacteria and fungi. Signup and view all the answers

How do neutrophils prevent the further spread of pathogens?

Neutrophils serve as a physical barrier that prevents the further spread of pathogens. Signup and view all the answers

What is the role of monocytes/macrophages during infections?

Monocytes enter the blood during infections and differentiate into cells called macrophages, which carry out similar functions as neutrophils. Signup and view all the answers

What are the microbicidal granules found in neutrophils?

Neutrophils contain microbicidal granules, which they release into the extracellular environment to trap bacteria and fungi and disarm pathogens with antimicrobial proteins such as neutrophil elastase. Signup and view all the answers

Where are neutrophils found and how do they migrate to sites of infection?

Neutrophils are found in the blood but can quickly migrate to extravascular tissue dealing with an infection. Signup and view all the answers