Homework Answers
The correct answer is option E. Type I reactions involve immunoglobulin E (IgE) mediated release of histamine and other mediators from mast cells and basophils. In type II hypersensitivity the antibodies produced by the immune response bind to antigens on the patient's own cell surfaces.
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Which of the following types of hypersensitivity reactions involves antibody-mediated responses? A) Type I hypersensitivity B)...
A Type Il cytotoxic hypersesitivity B. Type III immune complex hypersensitivity C. Type I anaphylactic hypersensitivity...
A Type Il cytotoxic hypersesitivity B. Type III immune complex hypersensitivity C. Type I anaphylactic hypersensitivity D. Type IV cellular hypersensitivity Select one of the types of hypersensitivity listed to correctly complete each of the statements below. is typified by the transfusion reaction may be related to the development of rheumatic fever is preceded by IgE attachment to mast cells develops in poison ivy is a cell damaging or cell destroying reaction is typified by the Arthus phenomenon does not...
Which of the following is true regarding the Receivables Turnover Ratio? I. It measures the average...
Which of the following is true regarding the Receivables Turnover Ratio? I. It measures the average number of days it takes to collect an account receivable ll. It is calculated as sales divided by accounts receivable. Ill. It measures how many times a business can turn its accounts receivable into cash in a year. IV. It measures how efficiently the company uses accounts receivable to generate earnings. Select one: O a.ll and IV only O b. I, Il and IlII...
I have an exam tomorrow so I need explaintion please aj methylenecyclohexane cciOTrexene 11 17. Arrange...
I have an exam tomorrow so I need explaintion please
aj methylenecyclohexane cciOTrexene 11 17. Arrange the following in this order: moderate nucleophile, polar protic solvent, polar aprotic solvent, non-polar I. CH CO2H solvent. 1I. CH CO2K II. OS(CHs)z e) l, III, IV, II be) IlII, , IV, II IV.C&HSCHs a) 1, II, III, IV b) IV, III, I, 1 d) IV, II, III c)l, II, II, IV ab) II, IV, II,I aclI, I, II, IV bd) IV, II, ,...
QUESTION 6 Select the INCORRECT pairs. Histamine, bradykinin, leukotrienes do not cause constracction of smooth muscles....
QUESTION 6 Select the INCORRECT pairs. Histamine, bradykinin, leukotrienes do not cause constracction of smooth muscles. Immune complex mediated hypersensitivity - Type III hypersensitivity graft rejection - example of type IV hypersensitivity Type IV - T cell or delayed hypersensitivity The tuberculin or PPD test is an example of Type Ill hypersensitivity reaction. Type 1 hypersensitivity - Involves IgE and is immediate. Example is anaphylaxis. QUESTION 7 Which of the following pertain only to exotoxins? Toxic in very small amounts...
What type of bond results in partially charged ends of m O Ultra covalent O Ionic...
What type of bond results in partially charged ends of m O Ultra covalent O Ionic s and hydrogen bonding? Polar O Non-Polar QUESTION 28 Which of the following are covalent bonds? I. Polar Il. Non-polar Ill. Electromagnetic IV. Hydrogen O I and Il only O II IIl and IV only O I, II, and IIl only O Ill and IV only QUESTION 29 Which are parts of the cell's cytoskeleton? I. microtubules ll. centrioles IlI. microfilaments IV. flagella I...
QUESTION 5 Which of the following is CORRECT? Only IgG and IgM can result in complement...
QUESTION 5 Which of the following is CORRECT? Only IgG and IgM can result in complement fixation or activation. The initial response to an antigen produces more antibodies than the second or subsequent exposures. The initial response to an antigen is more rapid than the second or subsequent exposures. Only IgG can cross the placenta. IgM and IgE are both pentamers. They can bind 10 antigens. The antibodies all have different variable regions by same constant regions QUESTION 6 Select...
Activated complement plays a role in which hypersensitivities? Types I and III Type III only Type...
Activated complement plays a role in which hypersensitivities? Types I and III Type III only Type Il only Type I only Types II and III Types II and IV Types I and II Type IV only Reset
The following cells are mediators in type 1 hypersensitivity reactions Mast cells OA. Neutrophils ОВ. T...
The following cells are mediators in type 1 hypersensitivity reactions Mast cells OA. Neutrophils ОВ. T cells OC. Basophyls OD OE. A and D are correct Question 3 The following statement regarding hypersensitive reactions is correct It is caused by the first exposure to an antigen ОА. ОВ. it involves cellular immunity only C. It involves antibodies only OD. it can be triggered by exposure to antibodies O E. All of the above statements are false
2s Antigen-Antibody interactons ooour in which of the foliowing ways? A Opsonization BNecation A D. Complement...
2s Antigen-Antibody interactons ooour in which of the foliowing ways? A Opsonization BNecation A D. Complement Fixation EAl the above are cormect 26 Antigen binding sites of an anibody are locaed in the A. Light chains alone D. Fab regions of the antbody B Heavy chains sioneCF ion of the antbody E. Soft chains alone 27 Nonspecific chemical defenses include D stomach hydrochlorie acid A. lysozyme E. All of the choices are corredt Blacic acid and electrolytes of sweat Cskins...
Which of the following is a common treatment for type I hypersensitivity reactions? O Multiple answers:...
Which of the following is a common treatment for type I hypersensitivity reactions? O Multiple answers: You can select more than one option O A avoid going outdoors B anti-inflammatory steroid treatments o C antihistamine treatments O D anti-Rh IgG injections E desensitizing injections of allergens
A Type Il cytotoxic hypersesitivity B. Type III immune complex hypersensitivity C. Type I anaphylactic hypersensitivity D. Type IV cellular hypersensitivity Select one of the types of hypersensitivity listed to correctly complete each of the statements below. is typified by the transfusion reaction may be related to the development of rheumatic fever is preceded by IgE attachment to mast cells develops in poison ivy is a cell damaging or cell destroying reaction is typified by the Arthus phenomenon does not...
Which of the following is true regarding the Receivables Turnover Ratio? I. It measures the average number of days it takes to collect an account receivable ll. It is calculated as sales divided by accounts receivable. Ill. It measures how many times a business can turn its accounts receivable into cash in a year. IV. It measures how efficiently the company uses accounts receivable to generate earnings. Select one: O a.ll and IV only O b. I, Il and IlII...
I have an exam tomorrow so I need explaintion please
aj methylenecyclohexane cciOTrexene 11 17. Arrange the following in this order: moderate nucleophile, polar protic solvent, polar aprotic solvent, non-polar I. CH CO2H solvent. 1I. CH CO2K II. OS(CHs)z e) l, III, IV, II be) IlII, , IV, II IV.C&HSCHs a) 1, II, III, IV b) IV, III, I, 1 d) IV, II, III c)l, II, II, IV ab) II, IV, II,I aclI, I, II, IV bd) IV, II, ,...
QUESTION 6 Select the INCORRECT pairs. Histamine, bradykinin, leukotrienes do not cause constracction of smooth muscles. Immune complex mediated hypersensitivity - Type III hypersensitivity graft rejection - example of type IV hypersensitivity Type IV - T cell or delayed hypersensitivity The tuberculin or PPD test is an example of Type Ill hypersensitivity reaction. Type 1 hypersensitivity - Involves IgE and is immediate. Example is anaphylaxis. QUESTION 7 Which of the following pertain only to exotoxins? Toxic in very small amounts...
What type of bond results in partially charged ends of m O Ultra covalent O Ionic s and hydrogen bonding? Polar O Non-Polar QUESTION 28 Which of the following are covalent bonds? I. Polar Il. Non-polar Ill. Electromagnetic IV. Hydrogen O I and Il only O II IIl and IV only O I, II, and IIl only O Ill and IV only QUESTION 29 Which are parts of the cell's cytoskeleton? I. microtubules ll. centrioles IlI. microfilaments IV. flagella I...
QUESTION 5 Which of the following is CORRECT? Only IgG and IgM can result in complement fixation or activation. The initial response to an antigen produces more antibodies than the second or subsequent exposures. The initial response to an antigen is more rapid than the second or subsequent exposures. Only IgG can cross the placenta. IgM and IgE are both pentamers. They can bind 10 antigens. The antibodies all have different variable regions by same constant regions QUESTION 6 Select...
Activated complement plays a role in which hypersensitivities? Types I and III Type III only Type Il only Type I only Types II and III Types II and IV Types I and II Type IV only Reset
The following cells are mediators in type 1 hypersensitivity reactions Mast cells OA. Neutrophils ОВ. T cells OC. Basophyls OD OE. A and D are correct Question 3 The following statement regarding hypersensitive reactions is correct It is caused by the first exposure to an antigen ОА. ОВ. it involves cellular immunity only C. It involves antibodies only OD. it can be triggered by exposure to antibodies O E. All of the above statements are false
2s Antigen-Antibody interactons ooour in which of the foliowing ways? A Opsonization BNecation A D. Complement Fixation EAl the above are cormect 26 Antigen binding sites of an anibody are locaed in the A. Light chains alone D. Fab regions of the antbody B Heavy chains sioneCF ion of the antbody E. Soft chains alone 27 Nonspecific chemical defenses include D stomach hydrochlorie acid A. lysozyme E. All of the choices are corredt Blacic acid and electrolytes of sweat Cskins...
Which of the following is a common treatment for type I hypersensitivity reactions? O Multiple answers: You can select more than one option O A avoid going outdoors B anti-inflammatory steroid treatments o C antihistamine treatments O D anti-Rh IgG injections E desensitizing injections of allergens
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