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AIIMS PG (NEET) — free MCQ practice

Choose from 29 questions across 1 subjects and 4 topics. Open any question for its answer and worked solution, or keep learning through bite-sized lessons and reviews with Quill.

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AIIMS PG (NEET) subjects

Physiology (29)

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ImmunityImmunologyMedicinePhysiology

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A protein binds tightly to a molecule carried by a pathogen. That binding protein is an:Read the answer and worked solution →The cells that carry out adaptive immune responses, including B and T cells, are the:Read the answer and worked solution →Unlike a B cell, one lymphocyte type never secretes antibody but performs other adaptive roles. That is the:Read the answer and worked solution →B cells mature in red bone marrow. T cells instead complete their maturation in the:Read the answer and worked solution →

Worked practice questions

A protein binds tightly to a molecule carried by a pathogen. That binding protein is an:

  1. Antibody
  2. Antacid
  3. Antigen
  4. Antenna
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Correct answer: A. Antibody

1. The pathogen molecule it recognises is the antigen. 2. The protein that latches onto it is made by the immune system. 3. That protein is an antibody. _Source: OpenStax Anatomy and Physiology 2e, Chapter 21, The Lymphatic and Immune System._

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The cells that carry out adaptive immune responses, including B and T cells, are the:

  1. Ligaments
  2. Lymphocytes
  3. Lipocytes
  4. Leucoplasts
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Correct answer: B. Lymphocytes

1. Adaptive responses are specific and remembered. 2. One family of white cells does that work. 3. They are the lymphocytes. _Source: OpenStax Anatomy and Physiology 2e, Chapter 21, The Lymphatic and Immune System._

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Unlike a B cell, one lymphocyte type never secretes antibody but performs other adaptive roles. That is the:

  1. T cell
  2. Red cell
  3. Mast cell
  4. Stem cell
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Correct answer: A. T cell

1. B cells become plasma cells and pour out antibody. 2. The other main lymphocyte works by direct action and signalling instead. 3. That is the T cell. _Source: OpenStax Anatomy and Physiology 2e, Chapter 21, The Lymphatic and Immune System._

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