what is the difference between blood group A and group B (types of antibodies and antigens) ? -Biology

what is the difference between blood group A and group B (types of antibodies and antigens) ? -Biology
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A person with 'AB' blood group is sometimes called a universal recipient because of the – (1) lack of antigen in his blood (2) lack of antibodies in his blood (3) lack of both antigens and antibodies in his blood (4) presence of antibodies in his blood

Description : A person with 'AB' blood group is sometimes called a universal recipient because of the – (1) lack of antigen in his blood (2) lack of antibodies in his blood (3) lack of both antigens and antibodies in his blood (4) presence of antibodies in his blood

Last Answer : (2) lack of antibodies in his blood

What is correct for blood group O? (a) No antigens but both a and b antibodies are present. (b) A antigen and b antibody present. (c) Antigen and antibody both absent. (d) A and B antigens and a, b antibodies present.

Description : What is correct for blood group O? (a) No antigens but both a and b antibodies are present. (b) A antigen and b antibody present. (c) Antigen and antibody both absent. (d) A and B antigens and a, b antibodies present.

Last Answer : (a) No antigens but both a and b antibodies are present.

Person with blood group AB is considered as universal recipient because he has (a) both A and B antigens on RBC but no antibodies in the plasma (b) both A and B antibodies in the plasma (c) no antigen on RBC and no antibody in the plasma (d) both A and B antigens in the plasma but no antibodies.

Description : Person with blood group AB is considered as universal recipient because he has (a) both A and B antigens on RBC but no antibodies in the plasma (b) both A and B antibodies in the plasma (c) no antigen on RBC and no antibody in the plasma (d) both A and B antigens in the plasma but no antibodies.

Last Answer : (a) both A and B antigens on RBC but no antibodies in the plasma

Which type of hypersensitivity reaction involves immune complexes formed when antigens bind to antibodies? a) Type III Type III hypersensitivity is associated with systemic lupus erythematosus, rheumatoid arthritis, serum sickness, certain types of nephritis, and some types of bacterial endocarditis.

Description : Which type of hypersensitivity reaction involves immune complexes formed when antigens bind to antibodies? a) Type III Type III hypersensitivity is associated with systemic lupus erythematosus, rheumatoid ... , or delayed-type, hypersensitivity occurs 24-72 hours after exposure to an allergen.

Last Answer : a) Type III Type III hypersensitivity is associated with systemic lupus erythematosus, rheumatoid arthritis, serum sickness, certain types of nephritis, and some types of bacterial endocarditis.

Decrease in white blood cells results in (a) Decrease in Antibodies (b) Increase in Antigens (c) Increase in Antibodies (d) No change

Description : Decrease in white blood cells results in (a) Decrease in Antibodies (b) Increase in Antigens (c) Increase in Antibodies (d) No change

Last Answer : Ans:(b)

Immunisation is a phenomenon of formation of antibodies by using inactive - (1) Antigens (2) Antibodies (3) Chemicals (4) Blood

Description : Immunisation is a phenomenon of formation of antibodies by using inactive - (1) Antigens (2) Antibodies (3) Chemicals (4) Blood

Last Answer : (1) Antigens Explanation: Whenever an antigen enters the blood, it binds itself with a special kind of white blood cell called lymphocyte. Each Lymphocyte produces only one kind of antibody.

During the course of a cellular hypersensitivity a. Antibodies react with antigens in tissues. b. Serotonin and histamine are released by cells. c. Immune complexes form on blood vessel surfacesd. A skin thickening called an induration may form..

Description : During the course of a cellular hypersensitivity a. Antibodies react with antigens in tissues. b. Serotonin and histamine are released by cells. c. Immune complexes form on blood vessel surfaces. d. A skin thickening called an induration may form.

Last Answer : b. Serotonin and histamine are released by cells.

Immunisation is a phenomenon of formation of antibodies by using inactive (1) Antigens (2) Antibodies (3) Chemicals (4) Blood

Description : Immunisation is a phenomenon of formation of antibodies by using inactive (1) Antigens (2) Antibodies (3) Chemicals (4) Blood

Last Answer : Antigens

T cells can recognise (A) Free antigens (B) Antigens bound to cells (C) Antigens bound to antibodies (D) Antigens bound to MHC proteins

Description : T cells can recognise (A) Free antigens (B) Antigens bound to cells (C) Antigens bound to antibodies (D) Antigens bound to MHC proteins

Last Answer : Answer : D

Pathogenic bacteria secrete - (1) Antigens (2) Antibodies (3) Hormones (4) Interferons

Description : Pathogenic bacteria secrete - (1) Antigens (2) Antibodies (3) Hormones (4) Interferons

Last Answer : (1) Antigens Explanation: Pathogenic bacteria secrete various virulence factors, including toxins, lipases and pro-teases that allow them to infect, breakdown and colonize host tissue. Among ... while phospholipases cleaves and hydrolyzes the ester bonds of most phospholipids in cell membrane.

Hyperimmune serum is serum with a higher than normal level of _____. a. antigens b. antibodies c. toxins d. immune cells

Description : Hyperimmune serum is serum with a higher than normal level of _____. a. antigens b. antibodies c. toxins d. immune cells

Last Answer : b. antibodies

Passive artificial immunity occurs in the body when a/an _____ is injected into the body or when a developing fetus receives antibodies across the placenta. a. antibody-rich serum b. antigens c. haptens d. adjuvant

Description : Passive artificial immunity occurs in the body when a/an _____ is injected into the body or when a developing fetus receives antibodies across the placenta. a. antibody-rich serum b. antigens c. haptens d. adjuvant

Last Answer : a. antibody-rich serum

A hybridoma cell a. Secretes monoclonal antibodies. b. Presents antigens on its surface. c. Secretes polyclonal antibodies. d. Is an antigen-presenting cell

Description : A hybridoma cell a. Secretes monoclonal antibodies. b. Presents antigens on its surface. c. Secretes polyclonal antibodies. d. Is an antigen-presenting cell

Last Answer : d. Is an antigen-presenting cell

The serological reaction where antigens and antibodies form an extensive Lattice of large particles is called a. Fixation. b. Precipitation. c. Neutralization. d. Agglutination.

Description : The serological reaction where antigens and antibodies form an extensive Lattice of large particles is called a. Fixation. b. Precipitation. c. Neutralization. d. Agglutination.

Last Answer : c. Neutralization.

In which of the following case a large lattice is formed? A.Antibody is in excess B.Antigens and antibodies are in optimal proportion C.Antigen is in excess D.None of these

Description : In which of the following case a large lattice is formed? A.Antibody is in excess B.Antigens and antibodies are in optimal proportion C.Antigen is in excess D.None of these

Last Answer : B.Antigens and antibodies are in optimal proportion

In which of the following case a large lattice is formed? A.Antibody is in excess B.Antigens and antibodies are in optimal proportion C.Antigen is in excess D.None of these

Description : In which of the following case a large lattice is formed? A.Antibody is in excess B.Antigens and antibodies are in optimal proportion C.Antigen is in excess D.None of these

Last Answer : B.Antigens and antibodies are in optimal proportion

Which of the following statements is false regarding B cells? A- B cells can undergo class switching and produce a different antibody type B- B one marrow stem cells migrate to the thymus and develop into B cells C- B cells synthesize antibodies and put them on their cell surface D- B cells that recognize high concentrations of antigens (self) in the absence of other signals

Description : Which of the following statements is false regarding B cells? A- B cells can undergo class switching and produce a different antibody type B- B one marrow stem cells migrate to the thymus and ... D- B cells that recognize high concentrations of antigens (self) in the absence of other signals

Last Answer : B one marrow stem cells migrate to the thymus and develop into B cells

What is the study of the interaction of antigens and antibodies called?

Description : What is the study of the interaction of antigens and antibodies called?

Last Answer : Serology

An antigens develop antibodies. The Antibody which protect the body from harmful bacteria and viruses are?

Description : An antigens develop antibodies. The Antibody which protect the body from harmful bacteria and viruses are?

Last Answer : Immunoglobulins

Drugs producing allergic reactions generally act as: A. Complete antigens B. Haptenes C. Antibodies D. Mediators

Description : Drugs producing allergic reactions generally act as: A. Complete antigens B. Haptenes C. Antibodies D. Mediators

Last Answer : B. Haptenes

Drugs producing allergic reactions generally act as: A. Complete antigens B. Haptenes C. Antibodies D. Mediators

Description : Drugs producing allergic reactions generally act as: A. Complete antigens B. Haptenes C. Antibodies D. Mediators

Last Answer : B. Haptenes

Haptens are: (1) Pseudoantigens (2) Incomplete antigens (3) Antibodies (4) Isoantigens

Description : Haptens are: (1) Pseudoantigens (2) Incomplete antigens (3) Antibodies (4) Isoantigens

Last Answer : Incomplete antigens

Pathogenic bacteria secrete (1) Antigens (2) Antibodies (3) Hormones (4) Interferons

Description : Pathogenic bacteria secrete (1) Antigens (2) Antibodies (3) Hormones (4) Interferons

Last Answer : Antigens

Do Group O types have Antigens?

Description : Do Group O types have Antigens?

Last Answer : Your husband would be incorrect, blood types that have Antigens would be type A and B and AB. Type O means you do not have any Antigens in your blood.

In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be (a) B (b) O (c) AB (d) A.

Description : In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be (a) B (b) O (c) AB (d) A.

Last Answer : (c) AB

The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC,because “O” in it refers to having (a) overdominance of this type on the genes for A and B types (b) one antibody only - either anti - A or anti - B on the RBCs (c) no antigens A and B on RBCs (d) other antigens besides A and B on RBCs

Description : The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because O in it refers to having (a) overdominance of this type on the genes for A and B types (b) one antibody ... on the RBCs (c) no antigens A and B on RBCs (d) other antigens besides A and B on RBCs

Last Answer : (c) no antigens A and B on RBCs

In which blood group,antibodies are absent ?

Description : In which blood group,antibodies are absent ?

Last Answer : In which blood group,antibodies are absent ? A. A B. B C. AB D. O

Weil-Felix reaction is based on sharing of antigens between A.sheep RBCs and EB virus B.mycoplasma and human O group RBCs C.rickettsial antigens and antigens of certain strains of Proteus D.none of these

Description : Weil-Felix reaction is based on sharing of antigens between A.sheep RBCs and EB virus B.mycoplasma and human O group RBCs C.rickettsial antigens and antigens of certain strains of Proteus D.none of these

Last Answer : C.rickettsial antigens and antigens of certain strains of Proteus

The immune system normally discriminates between which types of antigens. a) B and T cells b) self and non-self c) humoral and cell-mediated d) primary and secondary

Description : The immune system normally discriminates between which types of antigens. a) B and T cells b) self and non-self c) humoral and cell-mediated d) primary and secondary

Last Answer : ANSWER: B -- SELF AND NON-SELF

How can blood be Rh negative (with no antigens) and (for example) be AB (with AB antigens)?

Description : How can blood be Rh negative (with no antigens) and (for example) be AB (with AB antigens)?

Last Answer : It's sort of two different things. Blood type and Rh factor both do have to do with antigens/proteins in the blood. Blood type is inherited from your parents and you have either A, O, AB, or B. ... when you get a problem, and why blood type is so important. Do you need it defined more than that?

What type of antigens does type O blood have?

Description : What type of antigens does type O blood have?

Last Answer : Has no antigen in many textbooks it will state "no A-antigen and no B-antigen"(which imply the possibility of some other antigen) and some will even say, "no antigen" (which is true; ... a small specific regions on antigens that are bound by the antigen receptors on lymphocytes and by secreted antib

Which of the following terms refers to a form of white blood cell involved in immune response? a) Lymphocyte Both B and T lymphocytes respond to exposure to antigens. b) Granulocyte Granulocytes include basophils, neutrophils, and eosinophils. c) Spherocyte A spherocyte is a red blood cell without central pallor, seen with hemolysis. d) Thrombocyte A thombocyte is a platelet.

Description : Which of the following terms refers to a form of white blood cell involved in immune response? a) Lymphocyte Both B and T lymphocytes respond to exposure to antigens. b) Granulocyte Granulocytes ... blood cell without central pallor, seen with hemolysis. d) Thrombocyte A thombocyte is a platelet.

Last Answer : a) Lymphocyte Both B and T lymphocytes respond to exposure to antigens.

The following are true about the ABO and rhesus (Rh) system: a. a person of group O is a universal donor b. a person who is group AB has anti-A and anti-B antibodies c. the presence of the D antigen means that the subject is Rh positive d. rhesus antibodies occur naturally

Description : The following are true about the ABO and rhesus (Rh) system: a. a person of group O is a universal donor b. a person who is group AB has anti-A and anti-B antibodies c. the presence of the D antigen means that the subject is Rh positive d. rhesus antibodies occur naturally

Last Answer : the presence of the D antigen means that the subject is Rh positiv

Antibodies are part of a group of serum (pron: SIR-em) proteins known as what?

Description : Antibodies are part of a group of serum (pron: SIR-em) proteins known as what?

Last Answer : ANSWER: IMMUNOGLOBULINS (pron: im-MYOON-o-glob-you-lins) or GLOBULINS

The Rh antibodies from the mother (Rh-ve) can leak into the blood of the foetus (Rh `+ve)` and destroy the `:-`

Description : The Rh antibodies from the mother (Rh-ve) can leak into the blood of the foetus (Rh `+ve)` and destroy the `:-`

Last Answer : The Rh antibodies from the mother (Rh-ve) can leak into the blood of the foetus (Rh `+ve)` and destroy ... RBCs C. Foetal WBCs D. both (1) and (2)

What kind of antibodies are found in 0 negative blood?

Description : What kind of antibodies are found in 0 negative blood?

Last Answer : Type O negative blood has antibodies against both A and B type blood. This means that you can give blood to any type of blood (A, B, O) but can only receive your exact blood type. Type O negative is one of the most rare types, and is known as the "universal donor".

Which one of the following is NOT a function of kidney - (1) Regulation of blood pH (2) Removal of metabolic wastes from the body (3) Production of antibodies (4)Regulation of osmotic pressures of the blood

Description : Which one of the following is NOT a function of kidney - (1) Regulation of blood pH (2) Removal of metabolic wastes from the body (3) Production of antibodies (4)Regulation of osmotic pressures of the blood

Last Answer : (3) Production of antibodies Explanation: Kidneys are essential in the urinary system and also serve homeostatic functions such as the regulation of electrolytes, maintenance of acid-base balance, and ... diverted to the urinary bladder whereas the antibodies are produced by antigens in the cell.

Radioimmunoassay (RIA) is a therapy used - (1) to cure lung cancer (2) to cure AIDS (3) to cure fractures in bones (4) to detect antibodies and hormones present in the blood samples

Description : Radioimmunoassay (RIA) is a therapy used - (1) to cure lung cancer (2) to cure AIDS (3) to cure fractures in bones (4) to detect antibodies and hormones present in the blood samples

Last Answer : (4) to detect antibodies and hormones present in the blood samples Explanation: Radioimmunoassay (RIA) is a very sensitive in vitro assay technique used to measure concentrations of antigens (for ... licensing, since radioactive substances are used. Today it has been supplanted by the ELISA method.

In our body, antibodies are formed against pathogens in – (1) liver by RBC (2) blood by platelets (3) brain by macrophages (4) thymus by lymphocytes

Description : In our body, antibodies are formed against pathogens in – (1) liver by RBC (2) blood by platelets (3) brain by macrophages (4) thymus by lymphocytes

Last Answer : (4) thymus by lymphocytes

The cells which are responsible for the production of antibodies are – (1) red blood cells (2) neutrophils (3) lymphocytes (4) platelets

Description : The cells which are responsible for the production of antibodies are – (1) red blood cells (2) neutrophils (3) lymphocytes (4) platelets

Last Answer : (3) lymphocytes Explanation: An antibody (Ab), also known as an immunoglobulin (Ig), is a large Y-shaped protein produced by B-cells that is used by the immune system to identify and ... called antigens usually on the outside of an invading organism. This is called the antigen-antibody reaction.

In case of infection, following is the first line of defense B A. Antibodies B. Macrophages C. Red blood cells D. Platelets

Description : In case of infection, following is the first line of defense  B A. Antibodies B. Macrophages C. Red blood cells D. Platelets

Last Answer : Macrophages

In case of infection, following is the first line of defense B A. Antibodies B. Macrophages C. Red blood cells D. Platelet

Description : In case of infection, following is the first line of defense  B A. Antibodies B. Macrophages C. Red blood cells D. Platelet

Last Answer : Macrophages

Component of blood responsible for producing antibodies is (a) thrombocytes (b) monocytes (c) erythrocytes (d) lymphocytes

Description : Component of blood responsible for producing antibodies is (a) thrombocytes (b) monocytes (c) erythrocytes (d) lymphocytes

Last Answer : (d) lymphocytes.

The figure shows a human blood cell. Identify it and give its characteristics. Blood cell Characteristics (a) Basophil Secretes serotonin, inflammatory response (b) B-lymphocyte Forms about 20% of blood cells involved in immune response (c) Neutrophil Most abundant blood cells, phagocytic (d) Monocyte Lifespan of 3 days, produces antibodies

Description : The figure shows a human blood cell. Identify it and give its characteristics. Blood cell Characteristics (a) Basophil Secretes serotonin, inflammatory response (b) B-lymphocyte Forms about 20% of ... Most abundant blood cells, phagocytic (d) Monocyte Lifespan of 3 days, produces antibodies

Last Answer : (a) Basophil Secretes serotonin, inflammatory response

Serum differs from blood in (a) lacking globulins (b) lacking albumins (c) lacking clotting factors (d) lacking antibodies.

Description : Serum differs from blood in (a) lacking globulins (b) lacking albumins (c) lacking clotting factors (d) lacking antibodies.

Last Answer : (c) lacking clotting factors

All the following are associated with hemolytic disease of the newborn except: a. It is one of the most common diseases among Americans. b. It may occur if an Rh (-) female conceives a child who is Rh (+). c. It involves a reaction between red blood cells and antibodies. d. It can be prevented by using rhogam. 16 Which one of the following applies to the

Description : All the following are associated with hemolytic disease of the newborn except: a. It is one of the most common diseases among Americans. b. It may occur if an Rh (-) female conceives a child who ... antibodies. d. It can be prevented by using rhogam. 16 Which one of the following applies to the

Last Answer : b. It may occur if an Rh (-) female conceives a child who is Rh (+).

What serologicaL test requires sheep red blood cells and a preparation of antibodies that recognizes the sheep red blood ceLls? a. ELISA b. Radioimmunoassay c. Immunodiffusion d. Complement fixation test

Description : What serologicaL test requires sheep red blood cells and a preparation of antibodies that recognizes the sheep red blood ceLls? a. ELISA b. Radioimmunoassay c. Immunodiffusion d. Complement fixation test

Last Answer : d. Complement fixation test

The presence of IgM antibodies in the blood indicates a. An early stage of an infection. b. A chronic infection. c. An allergic reaction is occurring. d. Humoral immunity has yet to start.

Description : The presence of IgM antibodies in the blood indicates a. An early stage of an infection. b. A chronic infection. c. An allergic reaction is occurring. d. Humoral immunity has yet to start.

Last Answer : a. An early stage of an infection.

When assisting the patient to interpret a negative HIV test result, the nurse informs the patient that the results mean a) his body has not produced antibodies to the AIDS virus. A negative test result indicates that antibodies to the AIDS virus are not present in the blood at the time the blood sample for the test is drawn.

Description : When assisting the patient to interpret a negative HIV test result, the nurse informs the patient that the results mean a) his body has not produced antibodies to the AIDS virus. A negative test ... When antibodies to the AIDS virus are detected in the blood, the test is interpreted as positive.

Last Answer : a) his body has not produced antibodies to the AIDS virus. A negative test result indicates that antibodies to the AIDS virus are not present in the blood at the time the blood sample for the test is drawn.