82) What is the name of the genetic mechanism that allows B cells or T cells...

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Medical Sciences

82) What is the name of the genetic mechanism thatallows B cells or T cells to produce specificantibodies?

  1. Homeostasis
  2. Gene rearrangement
  3. Excretion
  4. Antigen presentation

83) Which below describes the Humoral ImmuneResponse

A) involves activation and clonal selection of Cytotoxic Tcells

B) involves activation and clonal selection of B cells,resulting in production of secreted antibodies

C) Lymphocytes are screened for host reactivity in the Thymusgland

84) Which below describes the Cell Mediated ImmuneResponse

A) involves activation and clonal selection of cytotoxic Tcells

B) involves activation and clonal selection of B cells,resulting in production of secreted antibodies

C) Lymphocytes are screened for host reactivity in the Thymusgland

85) Occurs when a pathogen can no longer infect a hostbecause it is bound to an antibody

A) Neutralization

B) Opsonization

C) Excretion

D) Plasmolysis

86) Occurs when antibodies bound to antigens increasesphagocytosis of foreign cells by the immune system

A) Neutralization

B) Opsonization

C) Excretion

D) Plasmolysis

87) The process where Antibodies cause lysis of foreigncells is called

A) Neutralization

B) Opsonization

C) Plasmolysis

D) Activation of the complement system

Match the following 3 terms to the description(s) offunction(s) below

A) Antigen presentation      B) Antigenswitching C) Clonal selection    D) Self screeningE) Complement System

110) Pathogens such as Plasmodium evade humanadaptive immunity with this mechanism

111) Following antibody/antigen match, a B cell or Tcell proliferates with the help of cytokines from a matching HelperT-Cell

112) B cells or T cells with self-reactive antibodiesundergo apoptosis

113) A dendritic cell or macrophage stimulates B cellsor T cells that have matching antibodies

114) B plasma cell antibodies cause destructions oftargets by this mechanism

27) The Hamstring and Quadricep Muscle are examplesof

A) Opposing muscles in a muscle group

B) Afferent muscle groups

C) Efferent muscle groups

D) The CNS

35) Which requires energy in the form ofATP

A) Sodium (Na) rushing in

B) Potassium (K) rushing out

C) Activity in the form of the Na/Kpump

D) Voltage gated ion channels

E) Potassium channels

Answer & Explanation Solved by verified expert
4.1 Ratings (560 Votes)
82Option bGene rearrangement B cells contain specific areas genes in their DNA that code for the production of antibodies also known as immunoglobulins As B cells develop and mature these DNA segments are rearranged in a controlled fashion such that each mature B cell has a unique rearrangement profile 83Option B Humoral immunity or humoural immunity is the aspect of immunity that is mediated by macromolecules found in extracellular    See Answer
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