Human Immunity: Resistance to Infection
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 ability of the human body to resist infection and damage called?

  • Innate response
  • Resistance
  • Adaptive defense
  • Immunity (correct)

What type of immunity results from general processes that provide resistance to specific disease organisms?

  • Innate immunity (correct)
  • Specific immunity
  • Adaptive immunity
  • Acquired immunity

What is the term for the process by which white blood cells and macrophages engulf and destroy invading organisms?

  • Phagocytosis (correct)
  • Pinocytosis
  • Humoral immunity
  • Cell-mediated immunity

What is the term for the specific immunity developed against individual invading agents such as bacteria, viruses, and toxins?

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

What is the term for the proteins produced by the immune system to attack and destroy specific invading organisms or toxins?

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

What is the term for the immune system that forms antibodies and/or activated lymphocytes to attack and destroy specific invading organisms or toxins?

<p>Adaptive immune system (D)</p> Signup and view all the answers

What percentage of plasma proteins do immunoglobulins typically constitute?

<p>20% (A)</p> Signup and view all the answers

What is the term for the designated end of each light and heavy chain in an immunoglobulin?

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

Which class of antibodies has 10 binding sites and is effective in protecting the body against invaders?

<p>IgM (B)</p> Signup and view all the answers

What determines the biological properties of an antibody in tissues, such as adherence to specific structures and passage through membranes?

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

Which class of antibodies is especially involved in allergy and constitutes only a small percentage of the antibodies?

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

What percentage of the antibodies of a normal person does IgG constitute?

<p>75% (A)</p> Signup and view all the answers

What is the result of a person's body responding to a foreign antigen?

<p>The person develops either antibodies or activated T cells (B)</p> Signup and view all the answers

How can temporary immunity be achieved without injecting an antigen?

<p>By transfusing antibodies or activated T cells from someone else (D)</p> Signup and view all the answers

How long do antibodies last in the body of the recipient?

<p>2 to 3 weeks (C)</p> Signup and view all the answers

What is the term for the transfusion of antibodies or T lymphocytes to confer immunity?

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

What is the duration of activated T cells transfused from an animal?

<p>A few hours to a few days (C)</p> Signup and view all the answers

What is the main function of antibodies in the human body?

<p>To protect the body against invading agents (C)</p> Signup and view all the answers

What is the process called when antibodies bind multiple large particles with antigens on their surfaces into a clump?

<p>Agglutination (B)</p> Signup and view all the answers

What is the term for the molecular complex of soluble antigen and antibody?

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

What is the term for the process by which antibodies cover the toxic sites of the antigenic agent?

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

What is the system that antibodies activate to destroy invading agents?

<p>Complement system (B)</p> Signup and view all the answers

What type of immunity is being discussed in the passage?

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

More Like This

Hipersensibilidad tipo I
24 questions

Hipersensibilidad tipo I

SharperZombie3169 avatar
SharperZombie3169
Human Immune System Components
40 questions
NCERT - HUMAN HEALTH & DISEASES - 24-25
620 questions
Introduction to the Immune System
127 questions
Use Quizgecko on...
Browser
Browser