If you are infected with SARS-Cov-2, but have undetectable or low levels of antibodies a few months later, does this defintively indicate that you have zero immunity to SARS-CoV-2?

Q: A person who has been vaccinated against a disease should have primarily which of these types of…

A: Immunology deals with the study of the immune cells that fight against the invading pathogens in the…

Q: All of the following are functions of antibodies except a. neutralization of pathogen. b.…

A: The antibody has a Y-shaped structure. It is a product of the immune system which detects the…

Q: A secondary exposure to a pathogen for which the body has produced antibodies results in a less…

A: Immune system is a naturally occurring system of organs and antibodies which are produced against…

Q: Based on the five major classes of antibodies given below, which of the following is present on the…

A: Antibody: It can be defined as a Y-shaped protein of the immune system responsible for detecting and…

Q: Which of these statements about the Fab portion of antibodies is true? a.It binds to antigens. b.Its…

A: Immunology deals with the immune system that gives protection to the body from the harmful…

Q: w antibodies are formed in T-independent antigens,

A: Thymus-dependent antigens are two categories of antigens that must come into contact with T-helper…

Q: Compare and contrast live attenuated vaccines, inactivatedvaccines, and toxoids. Which of these has…

A: Vaccines are biological preparation that activate the acquired immunity against a particular…

Q: The process in which antibodies attach to antigens,causing the formation of masses of linked cells,…

A: Answer is c.)  agglutination.

Q: What is the significance of a rise in titer of specific antibodies in serum samples taken at…

A: Antibodies or immunoglobulins are the Y-shaped molecules that are responsible for binding to the…

Q: Serum sickness does begin immediately upon the production of anti-BSA antibodies. How does the…

A: Introduction : A hypersensitive reaction is characterised by an immune response to an antigen that…

Q: Which of the following complementarity determining regions (CDRS) of antibodies is sequentially and…

A: The immune system of the body governs the body’s ability to fight against the destructive actions of…

Q: What is the major histocompatibility complex (MHC) or human leukocyte antigens (HLA)?

A: Immunity is a state of resistance of an organism to invading biotic or abiotic pathogens and their…

Q: what is a humoral immunity in a concept map form with 10 like words or phrases?

A: Immunity…

Q: Which of the following statements is FALSE? Blood from a person with blood type AB will react with…

A: Contains anti A antibodies.

Q: What are the attributes of immunoglobulins produced by multiple myeloma.  Do they help the immune…

A:

Q: When discussing systemic lupus erythematosus (SLE), How can the presence of antibodies cause such…

A: Systemic lupus erythematosus is an autoimmune disorder. In this disorder, the body cannot recognize…

Q: Name 4 ways antibodies can inactivate antigens

A: The antigens are the substance that can arouse immune reactions in the body.  They are the foreign…

Q: Which ONE of the following flow cytometry results is most likely in a patient with chronic…

A: B cell chronic lymphocytic leukemia (CLL) develops from a type of white blood cell called B cells.…

Q: How is the bivalence of antibodies significant for a precipitationreaction, and under what…

A: Antibodies are the Y-shaped molecules that are responsible for binding to the foreign particles and…

Q: Explain how people with autoimmunity could develop antibodiesagainst intracellular components…

A: Autoimmunity is a condition when the immune system turns hostile against its own self. A disease…

Q: lin antibodi

A: Anti-immunoglobulin antibodies or IgG antibodies are the antibodies responsible for producing…

Q: Ted finds out that he has been exposed to the measles and is concerned that he might have contracted…

A: Rubella also referred to as German measles, is an infectious disease triggered by the rubella virus.…

Q: if i transfuse blood group o in another patient than antibodies persent in group o a and b also…

A: The presence of a particular antibody determines the blood group in human beings. A specific antigen…

Q: All of the following are functions of antibodies except: 1) opsonization 2) destruction of pathogens…

A: Antibody or immunoglobulins (Ig) are circulating glycoprotein molecules secreted by B- lymphocyte…

Q: Why is that antigen-antibody complexes are visible in aggregated clumps, and yet red blood cells are…

A: Agglutination is characterized as the development of clumps of cells or inactive particles by…

Q: There are serum samples from people who tested positive for the SARS-CoV2 virus and have now…

A: After infection, B cells become activated through various pathways( directly or indirectly ) and…

Q: Is the antigenic determinant reducing or non-reducing?     reducing     non-reducing     both…

A: Monosaccharides are linked together by chemical bonds to form these Glycan chain-like structures.…

Q: Describe how antibodies are formed in T-independent antigens

A: Antigens are divided into two types named thymus-dependent antigens that require direct contact with…

Q: What is the connection between B and T cells to build an effective immune response to SARS-Cov2?

A: The immune system comprises wide range of immune cells that functions together to protect the body…

Q: How does Humoral Immune response to SARS_COV-2?

A: Severe acute respiratory syndrome coronavirus 2 (SARS_COV-2) is defined as the strain of the virus…

Q: The greatest concentration of antibodies is found in thefraction of the serum.a. gamma globulin b.…

A: Antibodies are large Y shaped protein molecule produced by the plasma cells which is the main agent…

Q: allergic asthma is an example of type 1 hypersensitivity, what are the major characteristics of this…

A: Allergic asthma is asthma which trigger by same substance which triggers allergy. Type 1…

Q: Antibodies are able to dispose of antigens in which of the following ways? O Neutralization…

A: Antibodies or Immunoglobulins are substances produced by the immune system, in response to a foreign…

Q: Differentiate the following and give examples of each:(a) Innate and acquired immunity (b) Active…

A: The immune system of the human body is divided into innate immunity and the adaptive immunity.…

Q: The presence of IgM antibodies indicate what type of infection? Acute or Chronic? Explain

A: IgM antibodies are membrane bound immunoglobulin.

Q: Antibodies designed to interact with a specific antigensite are (monoclonal, polyclonal).

A: Antibodies are Y-shaped proteins. These are also known as immunoglobulins.  Antibodies identify the…

Q: Which type of hypersensitivity involves solubleantigen-antibody complexes?a. type Ib. type IIc. type…

A: The undesirable reactions that are produced by the immune system and include autoimmunity and…

Q: Describe the changes over time in virus antigen levels, antibodylevels, and CD4 T cells in the blood…

A: Human immunodeficiency virus is the causative agent of AIDS or Acquired immunodeficiency syndrome.…

Q: If you are transfusing blood to a hypothetical patient, is it more important that the transfused…

A: Blood is a liquid substance which flows in the blood vessels and carry nutrients and oxygen to the…

Q: how does antibodies eliminate large pathogens

A: The antibodies are immunoglobulins synthesized by B-cells and secreted to clear pathogens. They…

Q: What is monoclonal antibodies? How it can be categorized

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

Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.