Quiz For Lecture 1 - An Introduction To The Immune System

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| By SwanseaGEMStuden

SwanseaGEMStuden

Community Contributor

Quizzes Created: 3 | Total Attempts: 3,844

Questions: 11 | Attempts: 720 | Updated: Mar 22, 2023

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Quiz to consolidate learning from Lecture 1 - An Introduction to the Immune System. As ever dont worry if you get the wrong answer, simply revisit the Lecture and see if you can improve youre knowledge Take the quiz as many times as you like Good luck

Questions and Answers

1.

The Adaptive immune system reacts first to the presence of a pathogen within the body.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
False, remember, the adaptive immune system takes much longer to be effective – at least 12 hours post infection; whereas the innate immune sytem can respond to a pathogen witin minutes of the initial infection

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1
0
2.

The myeloid lineage is responsible for the majority of the innate immune response?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The myeloid lineage consists of those cell types that react first to the presence of a pathogen.
Cells of the myeloid lineage include the granulocytes and agranulocytes.

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3.

Which cell type forms part of the innate immune system?
- A.
  
  B-lymphocytes
- B.
  
  Granulocytes; basophils, eosinophils, neutrophils
- C.
  
  Plasma cell
- D.
  
  T-lymphocytes
Correct Answer
B. Granulocytes; basopHils, eosinopHils, neutropHils

Explanation
Remember B & T lymphocytes form the backbone of the adaptive immune response

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0
4.

The adaptive immune sytem is not antigen specific so doesn’t improve with repeated exposure to the same infectious agent?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The adaptive immune system is antigen specific, so that after exposure to an infectious agent, ‘memory’ cells develop. On subsequent exposure to the same agent, the adaptive immune response then occurs quicker and is of greater amplitude

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5.

To which part of the immune system does the complement system of proteins belong?
- A.
  
  The adaptive immune Sytem
- B.
  
  The innate immune system
Correct Answer
A. The adaptive immune Sytem

Explanation
The complement system of proteins belongs to the innate immune system. This system consists of a group of proteins that work together to enhance the immune response, including inflammation and the destruction of pathogens. The adaptive immune system, on the other hand, is responsible for the specific recognition and elimination of pathogens through the production of antibodies.

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6.

To which part of the immune system do Dendritic cells belong?
- A.
  
  The adaptive immune system
- B.
  
  The innate immune system
- C.
  
  Both
- D.
  
  None of the above
Correct Answer
C. Both

Explanation
The dendritic cells are the only cells of the immune system to bridge both the innate and adaptive immune system

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1
0
7.

Which of the following cells is a type of phagocyte?
- A.
  
  Eosinophils
- B.
  
  Basophils
- C.
  
  Plasma cell
- D.
  
  Macrophage
Correct Answer
D. MacropHage

Explanation
Macrophage is the right answer, the other phagoctyes are the neutrophils and dendritic cells.

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8.

What is the name given to the secreted, soluble form of Immunoglobulin (Ig)?
- A.
  
  B-cell receptors (BCR)
- B.
  
  Antibody
- C.
  
  T-cell receptors (TCR)
- D.
  
  Epitopes
Correct Answer
B. Antibody

Explanation
BCR and TCR are very similar in structure to immunoglobulin, however are found on the surface of B & T cells respectively. They bind to a specific antigen.
Epitope - this is the secific part of an antigen that is recognised by an antibody or antibody receptor.

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9.

Which term best describes the effect of a cytokine, which acts via the bloodstream on distant cells?
- A.
  
  Autocrine
- B.
  
  Endocrine
- C.
  
  Paracrine
- D.
  
  Tyranasorusrex
Correct Answer
B. Endocrine

Explanation
Autocrine cytokines act on the same cell that produce them
Paracrine cytokines act cells adjacent to the one that produced them
Tyranasorusrex is a type of dinosaur that was an apex pretty predator who would have probably enjoyed eating me and you for breakfast...good guess though

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10.

What are the main functions of the lymphatic system?
- A.
  
  Maintaining the bodies fluid balance
- B.
  
  Facilitating lipid absorption in the small intestine
- C.
  
  Trapping and retaining infectious agents, presenting them to the cells of the Immune System
- D.
  
  All of the above
Correct Answer
D. All of the above

Explanation
The lymphatic system has multiple functions, including maintaining the body's fluid balance, facilitating lipid absorption in the small intestine, and trapping and retaining infectious agents, presenting them to the cells of the immune system.

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11.

Which of the following is referred to as a primary lymphoid organ?
- A.
  
  Appendix
- B.
  
  Bone Marrow
- C.
  
  Kidney
- D.
  
  Spleen
Correct Answer
B. Bone Marrow

Explanation
A primary lymphoid organ is one where lymphocytes are produced from immature progenitor cells. There are two such organs in the human body, the bone marrow and the Thymus.
Secondary lymphoid organs are where mature lymphocytes reside and from where the adaptive immune response is initiated. Secondary lymphoid organs include the spleen, lymph nodes, and accessory lymphoid tissue, such as the tonsils, appendix, peyer’s patches, MALT & GALT.

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Current Version
Mar 22, 2023

Quiz Edited by
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Nov 29, 2011

Quiz Created by
SwanseaGEMStuden

Quiz For Lecture 1 - An Introduction To The Immune System

The Adaptive immune system reacts first to the presence of a pathogen within the body.

The myeloid lineage is responsible for the majority of the innate immune response?

Which cell type forms part of the innate immune system?

The adaptive immune sytem is not antigen specific so doesn’t improve with repeated exposure to the same infectious agent?

To which part of the immune system does the complement system of proteins belong?

To which part of the immune system do Dendritic cells belong?

Which of the following cells is a type of phagocyte?

What is the name given to the secreted, soluble form of Immunoglobulin (Ig)?

Which term best describes the effect of a cytokine, which acts via the bloodstream on distant cells?

What are the main functions of the lymphatic system?

Which of the following is referred to as a primary lymphoid organ?