Description : 14.The immunoglobulin present in colostrum is (a) IgE (b) IgM (c) IgG (d) IgA
Last Answer : (b) IgM
Description : Resistance to disease in the passageways of the respiratory and gastrointestinal tract is dependent on antibodies in the class _____. a. IgG b. IgA c. IgE d. IgM
Last Answer : b. IgA
Description : This dimeric antibody class often occurs in secretions of the respiratory and gastrointestinal tracts. a. IgE b. IgM c. IgA. d. IgG
Last Answer : c. IgA.
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 _____ class of antibodies is the principal component of a secondary antibody response. a. IgM b. IgD c. IgG d. IgE
Last Answer : c. IgG
Description : On exposure to any antigen, the first antibody to be formed is of the following class: (A) IgA (B) IgG (C) IgM (D) IgE
Last Answer : Answer : C
Description : Of the five classes of antibodies,_____ and_____ are primary disease fighters, while secretory _____ is found on body (mucosal) surfaces. a. IgA, IgG, IgD b. IgG, IgA, IgM c. IgG, IgD, IgM d. IgG, IgM, IgA
Last Answer : d. IgG, IgM, IgA
Description : why IgM and IgE are longer than IgG , IgD and IgA?
Last Answer : Immunoglobulin G (IgG), the most abundant type of antibody, is found in all body fluids and protects against bacterial and viral infections. Immunoglobulin M (IgM), which is found mainly in the blood and lymph fluid, is the first antibody to be made by the body to fight a new infection.
Description : The immunoglobulin having the longest half-life is (A) IgA (B) IgG (C) IgM (D) IgE
Last Answer : Answer : B
Description : An immunoglobulin found in exocrine secretions is (A) IgA (B) IgG (C) IgM (D) IgE
Last Answer : Answer : A
Description : Allergy is immediate hypersensitivity mediated by _____and mast cell degranulation a) IgG b) IgE c) IgM d) IgA e) IgD
Last Answer : Ans: B
Description : Which of the following classes of immunoglobulins is important in immunity to T. vaginalis? A A. IgA B. IgG C. IgE D. IgM
Last Answer : IgA
Description : Which of the following mediates Type I hypersensitivity reaction? A- IgE B- IgG C- IgM D- IgD
Last Answer : IgE
Description : Which of the following immunoglobulins does constitute the largest percentage in human milk? (a) IgA (b) IgG (c) IgD (d) IgM
Last Answer : (a) IgA
Description : Complement system can be activated by binding of antigen to (A) IgA (B) IgD (C) IgE (D) IgM
Last Answer : Answer : D
Description : Reaginic antibody is (A) IgA (B) IgG (C) IgD (D) IgE
Description : In allergic diseases, the concentration of the following is increased in plasma: (A) IgA (B) IgG (C) IgD (D) IgE
Description : Allergic reactions are mediated by (A) IgA (B) IgG (C) IgD (D) IgE
Description : Which AB is responsible for atopy? A. IgA B. IgE C. IgG D. IgW
Description : Which is the only immunoglobulin that can cross the placenta? a. IgA b. IgD c. IgE d. IgG
Last Answer : d. IgG
Description : Gamma heavy chains are present in (A) IgA (B) IgG (C) IgM (D) IgD
Description : The largest immunoglobulin is (A) IgA (B) IgG (C) IgM (D) IgD
Description : The most abundant immunoglobulin in plasma is (A) IgA (B) IgG (C) IgM (D) IgD
Description : Secretory component is present in (A) IgA (B) IgG (C) IgM (D) All of these
Description : An essential element of all allergy reactions is the a. Release of interferons from tissue cells. b. Accumulation of ige on the surfaces of mast cells and basophils. c. Passage of igg from the immune system to local tissue cells. d. Elimination of all traces of plasma cells from the body.
Last Answer : b. Accumulation of ige on the surfaces of mast cells and basophils.
Description : The saliva pH is approximately 6.8. It is thus a slightly acid pH. Saliva lubricates the food bolus and initiates the enzymatic extracellular digestion of food. It also works as a buffer for the ... 's milk and in the mucosae of the intestine and airways) that protect the organism against pathogens.
Last Answer : What is the salivary digestive enzyme? Which type of food does it digest and into which smaller molecules does it transform the food?
Description : An immunoglobulin which can cross the placental barrier is (A) IgA (B) IgM (C) IgD (D) None of these
Description : Which one of the following is true of IgE? 1) Is present in plasma in the same concentration as IgG 2) Is increased acutely in an asthmatic attack 3) Crosses the normal placenta 4) Is increased in the serum of atopic individuals 5) Is involved in type 2 hypersensitivity
Last Answer : Answers-4 IgG is the predominant form of immunoglobulin in plasma at a concentration around 10,000 times that of IgE. IgG crosses the placenta to confer immunity to the fetus but IgE does ... frequently increased in those with atopy but serum IgE does not rise acutely during an asthmatic attack.
Description : Immediate allergy reaction (type I allergic reaction) is: a) An allergic or immune response that begins within a period lasting from a few minutes to about an hour after exposure to an ... cause tissue damage e) It occurs during blood transfusion reactions and in hemolytic disease of the newborn.
Last Answer : Ans: A
Description : IgG and IgM levels raised in parasitic infections like D A. Malaria B. Leishmaniasis C. Schistosomiasis D. All above
Last Answer : All above
Description : The test used to detect raised levels of IgG and IgM in Trypanosoma evansi infected individuals is the D A. Thymol turbidity test B. Card agglutination test C. Mercuric chloride test D. Formol gel test
Last Answer : Formol gel test
Description : Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the new born infants because it contains (a) immunoglobulin A (b) natural killer cells (c) monocytes (d) macrophages.
Last Answer : (a) immunoglobulin A
Description : What type of immune cell may control IgE-mediated hypersensitivities? a. Suppressor T cells b. Plasma cells c. Cytotoxic T cells d. Neutrophils
Last Answer : a. Suppressor T cells
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 : An antigen binding site on the IgG antibody is a combination of a. One variable region from a light chain and one from a heavy chain. b. Two variable regions from two light chains. c. Two ... from two heavy chains. d. One variable region from a constant region and one from a variable region.
Last Answer : a. One variable region from a light chain and one from a heavy chain.
Description : Delayed allergy reaction (type IV allergic reaction) is: a) An An allergic or immune response that begins within a period lasting from a few minutes to about an hour after exposure to ... of antigen-antibody complexes that cause tissue damage e) An allergic disorder which is transferred genetically.
Description : Exchange of oxygen, carbon dioxide, nutrients and waste products from mother to fetus occurs through diffusion across the: a) chorionic villi (pron: core-e-on-ick villi) b) endometrium c) corpus luteum d) colostrum
Last Answer : ANSWER: A -- CHORIONIC VILLI
Description : What is the name of first milk/secretion (rich in antibodies) from the mammary glands of cattle after giving birth? a. Colostrum b. Serum c. Lactation d. Montana
Last Answer : a. Colostrum
Description : Bacillus subtilis makes a good "bacterial factory" in genetic engineering because _____. a. it normally retains the products it makes b. it is not a human pathogen c. contains endotoxins in it's cell wall d. traditionally ferments sugars
Last Answer : b. it is not a human pathogen
Description : Polluted water usually contains coliform bacteria like _____. a. Streptococcus b. Proteus c. Escherichia coli d. Pseudomonas
Last Answer : c. Escherichia coli
Description : A/an _____ vaccine contains inactivated toxins. a. toxigenic b. toxoid c. antitoxin d. immunotoxic
Last Answer : b. toxoid
Description : The _____ cell contains on its surface a CD4 receptor site that enhances binding to the macrophage. a. Helper T b. molecular patterns (PAMPs) c. plasma d. B
Last Answer : a. IgG
Description : A transgenic organism is one that _____. a. Has Donated A DNA Fragment To Another Organism. b. Contains A Gene From Another Organism. c. Contains Useless "Genetic Debris." d. Has Exchanged Gene Loci Within The Organism.
Last Answer : b. Contains A Gene From Another Organism.
Description : Rotavirus and the noroviruses can both be causes of viral ______ when transferred to humans by ______. a. meningitis; mosquitoes b. meningitis; water c. gastroenteritis; mosquitoes d. gastroenteritis; water
Last Answer : a. meningitis; mosquitoes
Description : Transformation refers to a. Using A Virus To Transfer DNA Fragments. b. DNA Fragments Transferred Between Live Donor And Recipient Cells. c. The Formation of an F- Recombinant Cell. d. The Transfer of Naked Fragments of DNA
Last Answer : b. DNA Fragments Transferred Between Live Donor And Recipient Cells.
Description : Which of the following statement(s) is/are true in regards to F+ x F- mating events? A- DNA is transferred from F- to F+ cells B- DNA is transferred from F+ to F- cells C- No ... F- cells are unable to perform conjugation D- No DNA is transferred because F+ cells are unable to perform conjugation
Last Answer : DNA is transferred from F+ to F- cells
Description : For _______ bonding, one or more electrons are transferred between atoms. a. hydrogen b. ionic c. peptide d. covalent
Last Answer : b. ionic
Description : Is it acceptable for a nursing mother to feed her child in public, as long as she is covered?
Last Answer : It’s acceptable even if she is not covered. I dislike the remnants of puritanical beliefs in this country. They’re just boobs. Every other person in the world has them. Some men do, too.
Description : The nursing break applicable to a mother who has returned to her duties after availing maternity leave until the child attains 15 months of age, is a) one break during the working hours ... interval/ rest period d) two breaks during the working hours excluding the regular interval/ rest period
Last Answer : d) two breaks during the working hours excluding the regular interval/ rest period
Description : What is colostrum? Why is it important to be given to the newborn infants? -Biology
Last Answer : The milk produced by mammary glands of human female in initial few days of lactation is called colostrum. Colostrum contains necessary antibodies (IgA) that provide protection against diseases to newborn infants.