Which of the following is INCORRECT? Select one: The route of antigen administration plays a role in determine its immunogenicity Subcutaneous antigen administration is the best route for immunization The dose of antigen administration plays a role in determine its immunogenicity Insufficient antigen administration always resulted in immune response generation

Which of the following is INCORRECT? Select one: The route of antigen administration plays a role in determine its immunogenicity Subcutaneous antigen administration is the best route for immunization The dose of antigen administration plays a role in determine its immunogenicity Insufficient antigen administration always resulted in immune response generation

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter34: Immunity

Section: Chapter Questions

Problem 13SA

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Which of the following steps are part of the processing of antigen by immune cells? Select all that apply.
in a primary response to an exposure to an antigen Group of answer choices antibodies are produced immediately clonal selection produces memory cells the person will likely not get sick from the pathogen antibodies are demonstrating immunological tolerance
Which of the following occurs during an active immunization? A preparation of a specific antigen is provided to a patient to induce immunity by forming effector and memory cells. Effector and memory cells do not form. A preparation of antibodies is provided to an individual who was already exposed to a lethal agent.
This graph is illustrating the principle that: Secondary response (d) Primary Response anitbody concentration required for immunity (a) (b) (c) Time after infection 10 20 30 40 20 + Second Infection 10 30 40 in days First Infection delay your body can respond with more antibodies faster the second time it sees an antigen O all of the other answers O antibiotics won't work for viruses vaccines will not work for viruses the second infection is always much worse than the first infection Antibody concentration in blood
The figure below shows the primary and secondary immune responses to an antigen. Which of the following is NOT shown or implied by this figure? Antibody titer in serum (arbitrary units) - 1st Ag Exposure IgM IgG 14 Time (days) - 2nd Ag Exposure 21 58 65 None of the other four answers (All are shown or implied by the figure) IgG is the predominant class of antibody produced after second exposure to the Ag The second exposure to an Ag results in higher IgG levels than the first exposure IgM is the first class of antibody produced after first exposure to the Ag Memory B cells produced upon the first exposure to an Ag can react quickly to subsequent exposures to the same Ag 72
What scenario best describes an autoimmune reaction? Group of answer choices The destruction of donated red blood cells by the recipient’s immune system The production of antibodies against Streptococcus pyogenes antigen resulting in cross-reaction against an antigen found on heart valves The activation of Mast cells by pollen The production of antibodies against Streptococcus pyogenes resulting in the deposit of antigen-antibodies in the kidney leading to glomerulonephritis
Breastfeeding is an example of which of the following types of immunity? View Available Hint(s) for Part A artificially acquired active immunity naturally acquired active immunity artificially acquired passive immunotherapy naturally acquired passive immunity
Which of the following is TRUE of immunizations? They are a safe form of a microorganism, viral particles, or components of it, that are injected into a person T/F? They induce immunological memory T/F? If pathogen is encountered after a person has been immunized, immune response is on par with a secondary immune response T/F? They help to create herd immunity if most (~90%) of a community has been immunized T/F?
All of the following are true of the lymphatic system, EXCEPT: Lymphatic capillaries lie in close physical proximity to arterial and venous capillaries None of the other four answers (all are true of the lymphatic system) Lymph nodes are located at lymphatic vessel junctions It brings microbial antigens into contact with immunologically active cells (lymphocytes and macrophages) Its only important function is to carry interstitial fluid back to the circulatory system
Which of the following is NOT TRUE about immunological tests? Question 2 options: A Antibodies can be used to detect specific antigens B An agglutination reaction is the reaction of an antibody with a soluable antigen C An agglutination reaction is the result of a particulate antigen with a specific antibody D Based on reactions between antigen and antibody E Precipitation reactions cannot be seen with the naked eye
All of the following are true of antigen-presenting cells (APCs) EXCEPT: which option below is the answer? None of the other four answers (All are true statements about APCs) They can interact directly with lymphocytes They include macrophages and dendritic cells APCs by themselves cannot distinguish between different microbial antigens, remember them later, or respond specifically to them They are non-specific cells and they play no role in activating or triggering specific immune responses
Which option is not an example of active immunization? Group of answer choices Injection of a mRNA vaccine Injection of immunogenic antigens An infection with a live attenuated microbe A natural infection by a microbe Using interferon gamma