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...

Cell-Mediated Effector Responses and TH-Cell Differentiation Quiz

20 Questions

2 Views

Cell-Mediated Effector Responses and TH-Cell Differentiation Quiz

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 receptor binds to ICAM?

MHC/Ag

FcR

TCR/CD3 complex

LFA-1 integrin (correct)

What facilitates the entry of granzymes into the target cell?

TCR/CD3 complex interaction

FcR recognition

Perforin-mediated pore formation (correct)

MHC/Ag binding

Which cells use similar mechanisms to kill target cells as NK cells?

NK cells (correct)

Macrophages

CD4+ T cells

Neutrophils

What mechanism is used by NK cells, macrophages, neutrophils, and eosinophils to eliminate pathogens?

Lytic enzymes Signup and view all the answers

What contributes to pathogen clearance through direct killing by CTL or NK cells?

Cellular effector responses Signup and view all the answers

Which type of cells collaborate as bridges with cellular responses?

B cells Signup and view all the answers

What do macrophages eliminate once activated by T cells?

Intracellular pathogens Signup and view all the answers

What is the main regulator of NK cell activation?

IL12 and IL-15 cytokines Signup and view all the answers

Which molecule acquires high avidity for its ligand after antigen recognition?

LFA-1 integrin receptor Signup and view all the answers

Which mechanism leads to DNA fragmentation and does not require mRNA or protein synthesis?

Proteolytic activity of granzymes Signup and view all the answers

What is the function of Helper T cells?

Producing a distinct cytokine profile Signup and view all the answers

How do CTLs recognize foreign antigens?

Through TCR recognition of antigens presented on MHC class I molecules Signup and view all the answers

What is the role of IL-2 in CTL activation?

Inducing proliferation Signup and view all the answers

How do NK cells recognize target cells?

By activating and inhibitory receptors Signup and view all the answers

What are the pathways involved in the destruction of target cells by CTLs?

Perforin/granzyme pathways Signup and view all the answers

What is the function of TH17 subset of Helper T cells?

Producing a distinct cytokine profile Signup and view all the answers

What is the primary function of TFH subset of Helper T cells?

Regulating distinct activities within the body Signup and view all the answers

What is the main function of TREG subset of Helper T cells?