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...
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...
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 “Allergic Reactions: Mechanisms and Treatments”
1. What are allergic reactions, and how do they occur?
Answer:
An allergic reaction is a hypersensitive immune response to substances known as allergens. The immune...
MCQs on “Allergic Reactions: Mechanisms and Treatments”
What is the primary immune cell involved in an allergic reaction?
a) Neutrophils
b) Eosinophils
c) Mast cells
d) T lymphocytesAnswer: c) Mast cells
Which antibody is...
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...
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...
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...
Vaccination: The Science Behind Immunity and Disease Prevention
Introduction
Vaccination is one of the most powerful tools in modern medicine for preventing infectious diseases. By stimulating the body's immune system to recognize and...
Questions with Answers on “Vaccination: How It Builds Immunity”
1. What is Vaccination, and How Does it Help Build Immunity?
Answer:
Vaccination is the process of introducing a weakened or inactivated form of a pathogen...
MCQs on “Vaccination: How It Builds Immunity”
1. What is the primary purpose of vaccination?
a) To cure diseases
b) To prevent diseases
c) To boost metabolism
d) To destroy pathogens
Answer: b) To prevent diseases
2....
Antigens and Antibodies: The Pillars of Immunity
Introduction
The immune system is a sophisticated defense mechanism that protects the body from harmful pathogens. Central to its function are antigens and antibodies, which...
Questions and Answers on “Antigens and Antibodies: Mechanisms and Functions”
1. Define antigens and explain their role in the immune system.
Answer:
Introduction:
Antigens are foreign molecules or substances that elicit an immune response when introduced into...
MCQs on “Antigens and Antibodies: Mechanisms and Functions”
MCQs on "Antigens and Antibodies: Mechanisms and Functions"
1. What is an antigen?
A. A type of cell
B. A molecule that induces an immune response
C. A...
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...
Questions and Answers on “Immune System Basics: Innate vs. Adaptive Immunity”
1. What is the immune system, and why is it essential for survival?
Answer:
The immune system is a complex network of cells, tissues, and organs...
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...
Buffers and pH: The Cornerstones of Cellular Homeostasis
Introduction
Cellular homeostasis is the process by which cells and organisms maintain a stable internal environment despite external changes. Among the most critical factors for...
Questions with answers on “Buffers and pH: Maintaining Cellular Homeostasis”
1. What is the role of buffers in maintaining pH homeostasis in the body?
Answer:
Buffers are essential in maintaining pH homeostasis by preventing drastic changes...
MCQs on “Buffers and pH: Maintaining Cellular Homeostasis”
1. What is the main function of buffers in the body?
A) Increase acidity
B) Maintain pH stability
C) Increase alkalinity
D) Break down toxins
Answer: B) Maintain pH...
