Which of the formed elements arise from myeloid stemcells?a. B cellsb. natural killer cellsc. plateletsd. all of the above

Q: Fusion between a plasma cell and a tumor cell creates a:(a) Myeloma (d) Natural killer cell(b)…

A: Plasma cell is also called as plasma B cell. Plasma cells are leucocytes which produce tremendous…

Q: A person shows unwelcome immunogenic reactions while exposed to certain substances.(a) Name this…

A: An immune response is a reaction that occurs within the body for the purpose of defending against…

Q: Which type of cell actually secretes antibodies?a. T cell b. macrophage c. plasma cell d. monocyte

A: B-cells, also said to be B lymphocytes, are a type of white blood cells that play a crucial role in…

Q: Hybridomas are formed by fusing antibody-producingwhite blood cells with:(a) Viruses(b) Bacteria(c)…

A: Hybridoma is a hybrid cell used for the production of large quantities of antibodies which are used…

Q: Which of the following statements is NOT true of a fever? a. Temperature is regulated by chemicals…

A: 1) Option E ( both c and d)  2) option B

Q: The grouping of blood is based on substances called: A) antibodies B) antigens C) antitoxin D)…

A: Amswer is b.) Antigen.

Q: Your patient is born without B cells. He cannot a. fight off intracellular infections b. have a Type…

A: Introduction B lymphocytes, commonly known as B cells, produce antibodies, which are a type of…

Q: In carriers of sickle cell (AS), which of the following is true? A) They do not pass on the disease…

A: Answer- do not have disease.

Q: Graveyard of RBC is a) Spleen b) Liver c) Kidney d) Thymus

A: A type of blood cell found in the blood that is produced in the bone marrow. Red blood cells contain…

Q: A person who has received a vaccine for human papillomavirus (HPV), which causes genital warts and…

A: Answer: Option: a] Is able to produce antibodies against HPV.       Only a subset of individuals…

Q: Theoretically, type _____ blood can be donated to all personsbecause it lacks .a. AB, antibodies b.…

A: Blood grouping is a test of classification of blood based on antigenic surfaces on RBC. When a cross…

Q: B cells that produce and release large amounts of antibody are called: a. Memory cells b.…

A: B lymphocytes are thymus-independent cells that express immunoglobulins (see below) on their…

Q: The _____ is (are) the lymphoid organ(s) that filter(s) the blood. a. spleen b. tonsils c.…

A: The main lymphoid organs are the red bone marrow, within which blood and immune cells are made, and…

Q: Antibodies are______ . a. antigen receptors c. proteins b. made only by B cells d.all of the above

A: Antibody  Antibody is the Y shaped molecules that fight with foreign objects or pathogens.

Q: HIV causes immunodeficiency by attackinga. memory B cells. c. plasma cells.b. helper T cells. d.…

A: HIV or Human Immunodeficiency Viruses are types of Lentivirus that infect Humans. Here we will see…

Q: Which of the following is a function of the spleen?a. produces T cellsb. removes worn-out red blood…

A: Step 1 Lymphoid organs are those organs that function as sites of formation, multiplication, and…

Q: The lymphatic trunk that drains lymph from the upper limb, breasts, and superficial thoracic wall is…

A: The lymphatic trunk that drains lymph from the upper limb, breasts, and superficial thoracic wall is…

Q: ____________ are suspensions of killed or live germs which is employed to induce the production of…

A: Among the given options, option (a) is the most appropriate.It explains that the vaccines are…

Q: B lymphocytes holding knowledge of an infectious agent for future responses are called: a) helper…

A: Immune system acts as a defense system in our body by protecting from effects of pathogens and also…

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 condition is not an autoimmune disease?a. multiple sclerosis c. systemic lupus erythematosisb.…

A: The immune system is responsible for protecting the body from foreign pathogens. Immune system fight…

Q: The best definition of an antigen is:(a) A foreign molecule in the body(b) A chemical that elicits…

A: In biology, ‘Immunity’ is known as the capability of resisting the progression of harmful…

Q: Lymphatic nodules...

A: Lymphatic nodules are small size, collection of localized tissue usually found at the region where…

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: Which of the following is a function of the Lymphatic System?

A: Lymphatic system contains organs and tissues spread all over the body help in removal of toxic waste…

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: What is included in GALT?a. thymus b. Peyer’s patches c. tonsils d. breast lymph nodes

A: The human body is a well built machine in which all the organs coordinate together to make it work.…

Q: A tick has embedded itself in the scalp of a young boy. His mother is most likely to find which…

A: Lymph Nodes Lymph nodes are kidney shaped structures which act to filter foreign particles from the…

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: Choose the correct one. Which cells produce antibodies? a. Neutrophils. b. Dendritic cells. c.…

A: We know that neutrophils are responsible for secreting cytokines during tissue injury. Hence, Option…

Q: Humans with AB blood-type will produce: a. A and B antibodies b. A and B antigens c. No antigens d.…

A:

Q: The cytolytic action of the complement system is most similar to the action ofa. interleukin-1.b.…

A: Complement system- It is a cascade system, plays a role in immune system by enhancing the antibodies…

Q: ____________interferon, produced by T lymphocytes, activates cellscalled _____________ and is…

A: The immune system is a complex network of biological structures (cell) and protein that defends the…

Q: Which of the following is NOT a professional antigen presenting cell (i.e. doesn’t express MHCII)?…

A: Antigen-presenting cells (APCs) are crucial for viable immune response, as the working of both…

Q: Researchers are using lentivirus to deliver fetal hemoglobin genes to individuals with sickle cell…

A: Gene therapy is used to correct defective genes in order to cure a disease or help your body better…

Q: which of the following is most prevalent in circulationg blood? a. IgG b. IgM c. heavy chain of…

A: The antibodies are the immunoglobulins, which act as soldiers of the body against the infection…

Q: Which ONE of the following individuals is at greatest risk for developing acute myeloid…

A: Acute myeloid leukaemia is a blood cancer that originates in the bone marrow cells.

Q: Which leukocyte is responsible for managing the duration of an inflammatory response and triggering…

A: The inflammatory response is the cornerstone of the body's defense against virus, bacteria, toxins…

Immunology

Immunology is the division of science involved with the immune reactions occurring in living organisms. The organisms are accustomed to evolving internal defense mechanisms to evade the invasion of microbial pathogens. Diverse cells are connected with stimulating the immune responses, which produce inhospitable conditions to the microbes prompting their lysis and thus inhibits the multiplication of the pathogens. The immune system can distinguish the pathogens through the aid of cellular intercommunication and launch responses to destroy them.