When T-cells and macrophages attack the myelin sheet covering nerves the disease that results is called: O A) Lupus B) Rheumatic fever C) Multiple sclerosis D) Chicken pox O E) HIV

Q: How may the “immunologically privileged” status of the immune system play a role in latent…

A: Some microbes can remain inactive in the host bodies. They hide from the host immune system. For…

Q: Why doesn't a long lasting vaccine against common cold exist yet?

A: Common cold is most common viral infection that affect the upper respiratory tract of humans.

Q: Why does the immensely powerful immune system of the body, an organ system that has evolved over…

A: Human immune virus (HIV) is a retrovirus which attacks the immune cells of the body. It affects the…

Q: What is the mechanism underlying the allergic response to an antibiotic?

A: Antibiotics are a type of antimicrobial substances that fight bacterial infections in people and…

Q: What is Helper T cells?

A: Step 1 The immune system has two types of about trillion lymphocyte cells, called B-lymphocytes and…

Q: What are antigens ?

A: Immunity can be defined as the complex biological system that is endowed with the capacity in order…

Q: What are infections?

A: Health and disease are the important concern while dealing with infections. Health may be defined as…

Q: What is the defective immune response characteristic of AIDS?

A: Introduction   Viral infections are very harmful for mankind. In the post century where we faced the…

Q: What are antigens of a disease-causing agent that stimulate an immune response to that particular…

A: The molecules or substances which trigger the immune response upon entry into a host are known as…

Q: The skin and bodily secretions provide the first line of defense against infection. One response in…

A: Skin is the largest organ of the integumentary system that covers the body and provides three main…

Q: What is an antigen? How does the immune system recognize antigens?

A: Antigen:An antigen is a substance which is foreign to the body that provokes the body to produce an…

Q: What are monoclonal antibodies?

A: Antibodies are Y shaped proteins found in blood that mainly get attached with the foreign invaders…

Q: Suppose a patient is suffered by fever with inflammation.  What will be the biomarkers to detect…

A: Inflammation It is a local defensive mechanism to the tissue damage to limit the spread of injurious…

Q: What do you mean by wandering macrophages?

A: A macrophage is a type of white blood cell that plays an important role in the immune system as…

Q: What sorts of pathogens could successfully attack a patient who is unable to produce T lymphocytes?

A: White blood cell protects body from pathogen. Specifically lymphocyte doing this job. Lymphocytes…

Q: How can a health care worker prevent possible infection?

A: As a medical services laborer, you might be presented to wellsprings of contamination. These might…

Q: What is Cytotoxic T cells?

A: Immunology is the branch of science which deals with the study of the immune system, immune response…

Q: How does HIV, which at first glance does not appear to be a highly formidable foe, persist in the…

A: HIV, stands for human immunodeficiency virus, is a virus that destructs the immune system that…

Q: What are the functions of Natural killer cells?

A: Immunity is a term that refers to the ability of the body to fight against the antigen by producing…

Q: What role do cytotoxic T cells play in fighting infection?

A: A cytotoxic T cell is a T lymphocyte that kills cancer cells or cells infected/ damaged in other…

Q: What is the difference between T cells and B cells?

A: Immune cells are the defense cells that protect the body from infective agents. The cells of the…

Q: What are Allergens?

A: The immune system is a multi-component interactive system which, effectively protects the host from…

Q: To diagnose someone with HIV, what do they look for in the blood?

A: AIDS ( acquired immunodeficiency syndrome) is caused by HIV ( human immunodeficiency virus). This…

Q: What is the inflammatory response?

A: the body have inbuilt defensive systems which helps in managing different external or internal…

Q: The body’s immune response comprises innate immunity and adaptive immunity. Virulence is the…

A: The ability of a pathogen or microbe to harm a host is referred to as virulence. In most cases,…

Q: Which cells are recruited from the bloodstream to the connective tissue (under the respiratory…

A: The human immune system contains many different types of phagocytic cells such as neutrophils,…

Q: How many times must a child be vaccinated against tuberculosis?

A: Tuberculosis A bacterial infection that affects the lungs. Caused by the bacterium Mycobacterium…

Q: What is vaccination? What type of immunity is provided by vaccination?

A: Immunity is the balanced state of multicellular organisms having adequate biological defenses to…

Q: Why doesn't a vaccine cause a person to get ill?

A: Infectious diseases are diseases caused by a bacterium, virus, fungus or other pathogens.…

Q: How does HIV get past our 2nd and 3rd lines of immune defense? 1.by releasing its DNA into our…

A: HIV- It has two antigenic variants HIV-1 and HIV-2, It destroys the immune system and therefore the…

Q: Who get AIDS and why?

A: AIDS or Acquired immunodeficiency syndrome is a life-threatening chronic condition caused by a…

Q: Which cells are attacked by HIV?

A: HIV (Human immunodeficiency virus)-It attacks the body's immune system and can leads to AIDS if left…

Q: What is the function of B cells?

A: B lymphocytes are a type of white blood cell of the lymphocyte subtype.

Q: Vitiligo is (a) an autoimmune disorder, (b) contagious, (c) caused by the herpes simplex virus, (d)…

A: Vitiligo is an acquired depigmentation disorder of the skin and hair. It is a cosmetically…

Q: Why does an AIDS patient suffer from many infections?

A: AIDS is called as the Acquired Immune Deficiency Syndrome. It is a global health problem. It is a…

Q: What does the flu shot protect against? Why do you need to get a new flu shot every year for…

A:

Q: What is Natural antibodies?

A: Biology terms are fundamental concepts and terms used in biology, which is the study of life and…

Q: What evidence led Emil von Behring to discover antibodies and the complement system in 1905?

A: Antibodies, also known as immunoglobulins, are protein molecules produced by the body's immune…

Q: What is an immunization?

A: Immunity is a term used to describe a complex organism's ability to combat harmful pathogens.…

Q: What is the role of T cell, B cells, and Natural killer cells in the function of the Immune system?

A: Immunity is the capability of multicellular organisms to resist the attack of harmful…

Q: How does humoral immune system works when our body is infected?

A: The human body is a machine that works in a coordinated way with each system having a specific task…

Q: What factors influence the body’s resistance to infection?

A: The body's resistance to infection includes the ability of the body to fight against the infection.…

Q: What is immune?

A: Immunity means the capability of multicellular organisms to resist against harmful pathogens such as…

Q: Why is antigen-presentation important in fighting infection?

A: Antigen presentation is the process by which protein antigen is ingested by an antigen-presenting…

Q: Is vaccination for everyone?

A:

Q: What are allergens? How do they cause inflammatory response inside human body?

A: Inflammation an immune response, which is triggered by the immune system in response to stimuli,…

Q: Is this a graph of an acute, chronic or latent disease?

A: Diseases are mainly of three types : 1) Acute Disease - This type of a disease has a short term but…

Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.