A person with type O blood has   a.  anti-A antibodies   b.  anti-B antibodies.   c.  anti-O antibodies.   d.  no antibodies.   e.  both anti-A and anti-B antibodies

Q: Which type of antigens are present in an individual with blood type A? A B anti-A O anti-B

A: Which type of antigens are present in an individual with blood type A? An individual with blood type…

Q: Which of the following are TRUE of class I major histocompatibility complex (MHC) molecules? a.…

A: MHC helps to recognize the antigens molecule and transfer the signal to the cell

Q: A patient with a _______ titer of antibodies to an infectious agentgenerally has greater protection…

A: The human immune system has antibodies against specific antigenic targets. These antibodies act upon…

Q: CD1 binds to 單選: A. MHC class II. B. polysaccharides. C. lipids. D. peptides. E. MHC class I. O O O…

A: The majority of cytotoxic T cells have T-cell receptors (TCRs) that can identify a particular…

Q: Choose all the correct statments. O A person with type AB blood can receive a transfusion form a…

A: There is various blood grouping system to understand the classification of blood. The most popular…

Q: An infected epithelial cell may present the antigen on its a. MHC class I molecules. b. MHC class II…

A: Immunity is the capability of the body to fight against foreign attack and maintain the persistence…

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: 6. QUESTION #6: In order to better understand the anatomical significance of blood type and the…

A: Blood is generally composed of erythrocytes, Lymphocytes, and platelets are all contained in a fluid…

Q: What class of antibodies is normally found in the mucosa of the respiratory tract? a. IG-A b. IG-D…

A: Antibodies are proteins produced and secreted by B cells. They bind to foreign substances, like…

Q: The human immunodeficiency virus has a preference forinfectinga. B lymphocytes.b. cytotoxic T…

A: The human immunodeficiency virus has a preference forinfecting

Q: 1. Which of the following antibodies are of most use for the diagnosis of pernicious anemia:

A: Pernicious anemia is resulted by the deficiency of vitamin B-12 in the body. Vitamin B-12 is…

Q: What does the T-cell receptor on the helper T cell bind? free antigen in soluble form b. antigens…

A:

Q: One-year-old Matthew always seems to be sick. When his blood is tested, there are no antibodies. The…

A: The lymphatic system consists of immune cells called lymphocytes. Lymphocytes are the primary cells…

Q: Which is true about blood types? OType O blood has no antibodies in the plasma. OType AB blood has…

A: Blood is a fluid connective tissue which helps to transport oxygen, nutrients, antibodies, etc. to…

Q: w..*** Antibodies Select one: a. are shaped like the letter B b. assist in destroying particular…

A: An antibody (Ab), otherwise called an immunoglobulin (Ig), is a huge, Y-molded protein utilized by…

Q: lividual with blood type O+? (select |anti-A antibodies no antibodies are naturally pre O anti-Rh…

A: The antibodies are found in the serum that identify and combine with the antigens present on the…

Q: is a mechanism of self-tolerance in which the lymphocyte will not achieve a full activation due to…

A: Lymphocyte is a kind of white blood cells present in immune system of jawed vertebrates.Lymphocytes…

Q: Which self antibodies do A blood type eliminate? anti-A anti-B anti-O

A: Blood is an important fluid tissue in the body that transports oxygen and nutrients to all other…

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: Theoretically, a person with type AB blood should be able toreceivea. type B and type AB blood.b.…

A: Blood is a specialized connective tissue composed of two components plasma and formed elements.…

Q: Which of the following binds to the Fc portion of the antibody?     A. C1q   B. C2a   C. C1r…

A: Complement systems is a complex set of soluble molecule that generate a variety of reactions that…

Q: A monoclonal antibody isa. capable of inducing any antigen.b. specific to one antigen.c. responsible…

A: Any abnormal condition that hinders normal body functioning is considered a disease. Immunity, the…

Q: When first exposed to a foreign molecule, are the first class of antibodies generated a. cytokines…

A: The immune response is a set of responsive mechanisms carried out by the immune system of the body…

Q: Type B blood contains______________ surface antigens on theRBCs and_______________ antibodies in the…

A: Introduction  The most common blood group system is ABO blood group system which consist of 3 blood…

Q: Which of the following statements is true? *   a. All of the statements are true. b. Lymph from the…

A: We know that The lymph node is a part of the lymphatic system. Generally, the lymph node is…

Q: Which is true about Rh blood types. A. Rh positive people will always have an anti-B antibody. B.…

A: In 1901, the ABO blood grouping was introduced for the first time by Karl Landsteiner, depending…

Q: 32. Blood type O has which antigens on the red blood cells? a. A antigen b. B antigen O antigen d.…

A: The discovery of the ABO blood group system, over 100 years ago, caused great excitement. Until then…

Q: The vascular changes of inflammationa. lead to an increase in bacterial cells at the injury site.b.…

A: Answer is option c.)allow plasma proteins to move easily from the bloodstream to theinjury site.

Q: which two of following statements are true for an antigen prsent cell such as dendritic cell? a.…

A: Answer :- Antigen-presenting cells (APCs) play a crucial role in the immune system by initiating and…

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: The respiratory burst is used by tokill bacteria.a. neutrophilsb. basophilsc. mast cellsd. NK…

A: Respiratory burst (additionally called oxidative burst) is the rapid release of responsive oxygen…

Q: Which of the following can NOT be found in the lymph node? a. Lymph follicle b. White pulp c. Cortex…

A: Lymph nodes contain a large concentration of white blood cells known as lymphocytes, which aid in…

Q: Hyperacute graft rejection is caused by Select one: A. hyperactivated helper T cells. B.…

A: Its a type of transplant rejection which occurs within minutes of organ transplant. Pre existing…

Q: Non-protein antigens are ineffective becase they cant A. Trigger IgM production B. Be used as a…

A: Antigens are any substances with a biological origin and are able to elicit immune reasons by…

Q: Given the results below, select the most likely cause of the results. anti-A anti-B 4+ 0 anti-D D…

A: The human blood groups are due to antigens present on the surface of Red blood cells . The antigens…

Q: Epitope binds to antibodies A.true B.false

A: An epitope, otherwise called antigenic determinant, is the piece of an antigen that is perceived by…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.