Description : _____ acquired _____ immunity usually follows an obvious illness or it may follow a subclinical illness. a. Naturally; passive b. Artificially; active c. Naturally; active d. Artificially; passive
Last Answer : c. Naturally; active
Description : Immune complex formation and serum sickness are dangers of a. Artificially acquired passive immunity. b. Naturally acquired active immunity. c. Artificially acquired active immunity. d. Naturally acquired passive immunity.
Last Answer : a. Artificially acquired passive immunity.
Description : Exposure to the flu virus, contracting the flu, and recovering from the disease would be an example of a. Artificially acquired passive immunity. b. Naturally acquired active immunity. c. Artificially acquired active immunity. d. Naturally acquired passive immunity.
Last Answer : b. Naturally acquired active immunity.
Description : Identify the wrong statement with reference to immunity. (a) When exposed to antigen (living or dead) antibodies are produced in the host's body. It is called Active immunity . (b) When ... full response. (d) Fetus receives some antibodies from mother, it is an example for passive immunity
Last Answer : c) Active immunity is quick and gives full response.
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
Description : Acquired immunity consists of humoral immunity maintained by _____ and _____, and cell-mediated immunity controlled by _____ a. T cells, complement, B cells b. T cells, Interleukin, B cells c. B cells, antibodies, T cells d. B cells, histamine, T cells
Last Answer : c. B cells, antibodies, T cells
Description : Acquired immunity usually involves protein receptors on B and T cells that recognize discrete regions of the antigen called _____. a. haptens b. epitopes c. antibodies d. protein receptors
Last Answer : b. epitopes
Description : Differentiate the following and give examples of each (a) Innate and acquired immunity (b) Active and passive immunity -Science
Last Answer : (a) Innate & acquired immunity Innate immunity, also called inherent, natural, non specific immunity, comprises all those defence elements with which an individual is bom & which are ... Whereas passive immunity is conferred by transfer of immune products like antibodies etc. from other individual
Description : How passive immunity is acquired ?
Last Answer : Passive immunity is acquired through natural maternal antibodies, antitoxin, and immunoglobulin.
Description : Short-lived immunity acquired from mother to fetus across placenta or through mother’s milk to the infant is categorised as (a) active immunity (b) passive immunity (c) cellular immunity (d) innate non-specific immunity.
Last Answer : (b) passive immunity
Description : Antibodies are produced by (a) leucocytes (b) monocytes (c) lymphocytes (d) spleen.
Last Answer : (c) lymphocytes
Description : Immunodeficiency: a) A localized protective reaction of tissue to irritation, injury, or infection, characterized by pain, redness, swelling, and sometimes a loss of function b) A disorder or deficiency ... effect and damage the liver. e) It is an immunity disorder which is genetically transferred.
Last Answer : Ans: B
Description : ______ is chemical produced by fungus which inhibit the growth of other harmful microorganisms. a) antibiotic b)antibodies c)vaccine d)immunity
Last Answer : a) antibiotic
Description : Assertion : Interferons are a type of antibodies produced by body cells infected by bacteria. Reason : Interferons stimulate inflammation at the site
Last Answer : Assertion : Interferons are a type of antibodies produced by body cells infected by bacteria. Reason ... . If both the assertion and reason are false
Description : Which of the following statement(s) is/are true concerning ischemia reperfusion injury? a. During ischemia, ATP degradation results in increased plasma and intracellular levels of ... immunization with antibodies to neutrophil adhesive complex lessen the ischemic/reperfusion microvascular injury
Last Answer : Answer: a, b, c, d During the ischemia and hypoperfusion phase, degradation of ATP stores essential to maintain cell integrity and significant loss of diffusible ... either the neutrophil adhesive complex or the endothelial selectins dramatically lessens ischemia/reperfusion microvascular injury
Description : Passive immunity can be produced by administration of (A) Pure antigens (B) Immunoglobulins (C) Toxoids (D) Killed bacteria or viruses
Last Answer : Answer : B
Description : At which stage of HIV infection does one usually show symptoms of AIDS? (a) Within 15 days of sexual contact with an infected person (b) When the infected retro virus enters host cells (c) ... large number of helper T - lymphocytes (d) When the viral DNA is produced by reverse transcriptase
Last Answer : (c) When HIV damages large number of helper T - lymphocytes
Description : Cell-mediated immunity is the function of (A) B lymphocytes (B) T lymphocytes (C) Plasma cells (D) Basophils
Description : The following are true about cell-mediated immunity: a. antigen-specific function is the role of the T-lymphocytes b. cell-mediated immunity can activate the complement system c. it is ... the delayed hypersensitivity reaction. d. Gamma interferon is an important mediator of B-cell activation.
Last Answer : cell-mediated immunity can activate the complement system
Description : Assertion` :` Lymph is a colourless fluid containing specialised lymphocytes which are responsible for the immune responses of the body. Reason `:` Ex
Last Answer : Assertion` :` Lymph is a colourless fluid containing specialised lymphocytes which are responsible for the ... . If both Assertion & Reason are false.
Description : Monoclonal antibodies are prepared by cloning (A) Myeloma cells (B) Hybridoma cells (C) T-Lymphocytes (D) B-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
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.
Description : Which one of the following cells produces antibodies? (1) Eosinophil (2) Monocyte (3) Basophil (4) Lymphocytes
Last Answer : (4) Lymphocytes Explanation: Antibodies are secreted by a type of Lymphocytes (White Blood cell). Antibodies can occur in two physical forms, a soluble form that is secreted from the cell, and ... bacteria and viruses. The antibody recognizes a unique part of the foreign target, called an antigen.
Description : Component of blood responsible for producing antibodies is (a) thrombocytes (b) monocytes (c) erythrocytes (d) lymphocytes
Last Answer : (d) lymphocytes.
Description : The function of lymphocytes is/are________ a. Production of heparin b. Production of antibodies c. Production of plasma d. Production of haemoglobin protein
Last Answer : b. Production of antibodies
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 : thymus by lymphocytes
Description : The cells which are responsible for the production of antibodies are (1) red blood cells (2) neutrophils (3) lymphocytes (4) platelets
Last Answer : lymphocytes
Description : Which one of the following cells produces antibodies ? (1) Eosinophil (2) Monocyte (3) Basophil (4) Lymphocytes
Last Answer : 4 lymphocytes
Description : The maternal _____ antibodies remain with the child for approximately three to six months after birth providing immunity after birth. a. IgA b. IgG c. IgM d. IgD
Last Answer : b. IgG
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.
Description : _____ is the natural ability of an organism to have an inbuilt mechanism to resist and destroy the infection. a) antibiotic b)immunity c)antibodies d)none
Last Answer : b)immunity
Description : Assertion: The antibodies separated from serum are homogenous. Reason : Monoclonal antibodies are homogenous immunological reagents.
Last Answer : Assertion: The antibodies separated from serum are homogenous. Reason : Monoclonal antibodies are ... both the assertion and reason are false
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.
Description : A dummy activity (A) Is artificially introduced (B) Is represented by a dotted line (C) Does not consume time (D) All the above
Last Answer : (D) All the above
Description : What is the difference between innate and acquired immunity?
Last Answer : Innate is that which you are born with, acquired is that which you gain over the course of your life.
Description : What is naturally acquired immunity?
Last Answer : Naturally acquired active immunity means that you have contracted the disease and your body has developed immune defenses against the disease. An example if when a person gets Chickenpox- the body has ... when it recognizes the same virus later on. The immunity for chicken pox is usually lifetime.
Description : How is active immunity acquired ?
Last Answer : Active immunity is acquired through vaccines, attenuated organisms, toxoid, natural infection, cloned microbial antigens, etc.
Description : What is the body’s natural or acquired ability to resist certain diseases? A. Immunity (Answer) B. Endocrine C. Exocrine D. All of above
Last Answer : A. Immunity (Answer)
Description : _____ responds to, distinguishes between and remembers specific pathogens it has encountered. a. Acquired immunity b. Innate immunity c. Humoral immunity d. Cell-mediated immunity
Last Answer : a. Acquired immunity
Description : AIDS stands for (1) Acquired Immune Disease Syndrome (2) Acquired Immunity Deficient Syndrome (3) Acquired Immune Deficiency (4) Acquired Infection Deficiency Syndrome
Last Answer : (3) Acquired Immune Deficiency
Description : Assertion : Taenia solium is a cestode acquired by eating undercooked pork. Reason : Adult Taenia causes cysticercosis in humans.
Last Answer : Assertion : Taenia solium is a cestode acquired by eating undercooked pork. Reason : Adult Taenia ... D. If both Assertion and Reason are false.
Description : What is the difference between active immunity and passive immunity? -Biology
Last Answer : answer:
Description : What is passive immunity and active immunity?
Last Answer : active immunity is the immunity that is stimulated internally as a a result of antibodies entering the body. Passive is stimulated by substances from an external source
Description : Does vaccination against a disease confer active or passive immunity?
Last Answer : Active immunity is conferred when the body manufactures antibodies in response to direct contact with an antigen. When an individual is again exposed to the antigen, the body remembers it and ... passive immunity helps the newborn to fight disease before its own immune system has developed.
Description : _____ implies that if enough people in a population are immunized against certain diseases, then it is very difficult for those diseases to spread. a. Herd immunity b. Passive immunity c. Active immunity d. Natural immunity
Last Answer : a. Herd immunity
Description : Differentiate between Active and Passive Immunity along with examples.
Last Answer : Active Immunity Passive Immunity 1) Antigens are injected in the human body as result antibodies are formed. 2) it develops slowly 3) it remains for longer time 4) the treatment is ... therapeutic 5) immunological memory is absent 6) Useful for immune-deficient host 7) Ex: Sera
Description : Differentiate between Active and passive immunity.
Last Answer : Sr. no Active immunity Passive immunity 1 Antigens are injected in human body as a result, antibodies are formed Readymade antibodies are injected in human body 2 Onset of ... It is termed as serum sickness 6 Preparations : Vaccines , Toxoid Preparation: sera
Description : Which of the following statements regarding TNFa are true? a. TNFa has a marked procoagulant effect b. Passive immunization of patients with neutralizing antibodies to TNFa improves survival from multi-organ ... expression d. The most potent known stimulus for TNFa production and release is IL-1
Last Answer : Answer: a, c TNFa has a marked procoagulant effect on endothelial cells, precipitating intravascular thrombosis. TNFa causes endothelial cells to release procoagulant activity (tissue factor), ... to produce TNFa, however the most potent stimulus for TNFa production and release is endotoxin
Description : Which of the following responses identifies a role of T lymphocytes? a) Transplant rejection Transplant rejection and graft-versus-host disease are cellular response roles of T cells. ... ) Bacterial phagocytosis and lysis Bacterial phagocytosis and lysis are humoral response roles of Blymphocytes.
Last Answer : a) Transplant rejection Transplant rejection and graft-versus-host disease are cellular response roles of T cells.