Understanding Autoimmune Diseases: Causes, Mechanisms and Examples
Introduction
Autoimmune diseases are a group of disorders where the body’s immune system, which is designed to protect against harmful invaders such as bacteria and...
Understanding Allergic Reactions: Mechanisms, Symptoms, and Modern Treatments
Introduction
Allergic reactions are abnormal immune responses triggered by harmless substances known as allergens. For most people, these substances, which include pollen, pet dander, certain...
Questions with answers on the “Role of Lymphocytes: T-Cells vs. B-Cells”
1. Describe the roles of T-cells in the immune response. How do T-cells contribute to immunity?
Answer:
T-cells are a vital part of the adaptive immune...
A Comprehensive Guide to the Immune System: Innate vs. Adaptive Immunity
Introduction
The immune system is a sophisticated defense network designed to protect the body from harmful pathogens such as bacteria, viruses, fungi, and parasites. It...
Understanding Immunological Memory and How Vaccines Work
Introduction
The human immune system is a complex network of cells, tissues, and organs that work together to protect the body from harmful invaders such...
Understanding Antibiotic Resistance: The Biology Behind Pathogen Survival
Introduction
The rise of antibiotic-resistant pathogens has become one of the most pressing challenges in modern medicine. Antibiotics, once hailed as wonder drugs, revolutionized the...
Understanding HIV and AIDS: A Comprehensive Overview of Human Immunodeficiency Virus and its Impact...
Understanding HIV and AIDS
Introduction
Human Immunodeficiency Virus (HIV) is a significant global health concern that affects millions of people worldwide. It is a retrovirus that...
Questions on “Biology of Antibiotic Resistance in Pathogens”
1. What is antibiotic resistance, and how does it develop in pathogens?
Answer:
Antibiotic resistance occurs when bacteria or other pathogens evolve mechanisms that reduce or...
Questions with Answers on “Human Immunodeficiency Virus (HIV) and AIDS: An Overview”
Questions with Answers on "Human Immunodeficiency Virus (HIV) and AIDS: An Overview"
1. What is HIV, and how does it affect the immune system?
Answer:
Human Immunodeficiency...
MCQs on “Immunological Memory: How Vaccines Work”
1. What is immunological memory?
a) The ability of the body to produce more white blood cells.
b) The ability of the immune system to remember...
MCQs and answers on “Cytokines: Regulators of the Immune System”
1. Which of the following is a primary function of cytokines?
A) Transport oxygen
B) Regulate immune cell activity
C) Produce antibodies
D) Maintain cell structure
Answer: B) Regulate...
MCQs with answers on “Role of Lymphocytes: T-Cells vs. B-Cells”
1. What is the main function of T-cells in the immune system?
A) Produce antibodies
B) Attack infected cells directly
C) Stimulate B-cells to produce antibodies
D) Store...
Cytokines: The Crucial Regulators of the Immune System
Introduction
The immune system is an intricate network of cells, tissues, and organs that work together to defend the body against harmful pathogens, such as...
Immunology in Transplant Rejection: Causes, Mechanisms and Prevention
Immunology in Transplant Rejection: Causes, Mechanisms and Prevention
Introduction:
Organ transplantation has revolutionized the field of medicine, offering life-saving treatments for patients with organ failure. However,...
MCQs with answers on “Autoimmune Diseases: Causes and Examples”
Which of the following best defines an autoimmune disease?
a) A disease caused by bacterial infection
b) A disease where the immune system attacks healthy...
MCQs and Answers on “Human Immunodeficiency Virus (HIV) and AIDS: An Overview”
1. What does HIV stand for?
A) Human Immunodeficiency Virus
B) Human Infection Virus
C) High Immunodeficiency Virus
D) Hepatitis Immunodeficiency Virus
Answer: A) Human Immunodeficiency Virus
2. What is...
Questions with answers on “Cytokines: Regulators of the Immune System”
1. What are Cytokines, and What Role Do They Play in the Immune System?
Answer: Cytokines are small, secreted proteins that act as molecular messengers...
Questions with answers on “Autoimmune Diseases: Causes and Examples.”
1. What are Autoimmune Diseases and How Do They Develop?
Answer:
Autoimmune diseases occur when the body’s immune system mistakenly targets and attacks its own healthy...
Questions and Answers on “Immunological Memory: How Vaccines Work”
1. What is immunological memory, and how does it function in the immune system?
Answer:
Immunological memory refers to the ability of the immune system to...
MCQs on “Immune System Basics: Innate vs. Adaptive Immunity”
1. Which of the following is a part of innate immunity?
A. B cells
B. Antibodies
C. Skin barrier
D. Memory T cells
Answer: C. Skin barrier
2. Which cells...








