Unit One Chapter Four 3rd SEC. Quiz 3

148 Questions | By Semsem612 | Last updated: Jun 12, 2022 | Total Attempts: 50

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Unit One Chapter Four 3rd SEC. Quiz 3 - Quiz

Immune System Mechanism in Man

Questions and Answers

1.

The primary immune response is slow, because of the ……..
- A.
  
  Spreading of the microbe in the body tissues
- B.
  
  Decrease in the amount of antibodies
- C.
  
  Absence of the helper T-cells
- D.
  
  Absence of both memory B and T cells
2.

The following diagram illustrates both Humoral and Cell mediated immunity. What are the numbers that correspond to the following respectively: B-lymphocyte, interleukin, macrophage, T-cytotoxic, natural killer cell and cytokine?
- A.
  
  1 – 2 – 3 – 6 – 5 – 8
- B.
  
  4 – 7 – 1 – 5 – 6 – 8
- C.
  
  4 – 8 – 1 – 6 – 5 – 7
- D.
  
  1 – 2 – 3 – 5 – 6 – 8
3.

The molecules of the MHC are found in ………
- A.
  
  Cells with multilobed-nucleus and monocytes
- B.
  
  Plasma cells and helper T-cells
- C.
  
  Monocytes and helper T-cells
- D.
  
  Macrophages and B-lymphocytes
4.

Antigen-MHC complex activates …….
- A.
  
  Plasma cells
- B.
  
  Helper T-cells
- C.
  
  Cytotoxic T-cells
- D.
  
  Suppressor T-cells
5.

Which of the following immune cells/molecules are most effective at destroying intracellular pathogens? (Choose all correct answers)
- A.
  
  T helper cells
- B.
  
  B cells
- C.
  
  Antibodies
- D.
  
  Macrophages
- E.
  
  T cytotoxic cells
- F.
  
  Natural killer cells
- G.
  
  Complements
6.

……… protein inhibits the immune response.
- A.
  
  Perforin
- B.
  
  Lymphokines
- C.
  
  Lymphokines
- D.
  
  Chemokines
7.

Naturally acquired immunity would be mostly acquired through which of the following processes?
- A.
  
  Vaccination
- B.
  
  Drinking colostrum
- C.
  
  Natural health
- D.
  
  Infection with a diseased-causing microorganism followed by recovery.
8.

Lymphatic cells that induce B-cells to produce antibodies are …..
- A.
  
  Helper-T cells
- B.
  
  Cytotoxic-T cells
- C.
  
  Suppressor-T cells
- D.
  
  Natural killer cells
9.

…….. and ……… cells are responsible for the primary immune response.
- A.
  
  B and macrophages
- B.
  
  Macrophages and T
- C.
  
  B and T
- D.
  
  Mast and macrophages
10.

The following graph illustrates the concentration of three types of T-cells (X), (Y) and (Z) after the entrance of pathogen into the blood of a patient. What are the three types (X), (Y) and (Z) respectively?
- A.
  
  Helper – Suppressor – Cytotoxic
- B.
  
  Cytotoxic – Helper – Suppressor
- C.
  
  Cytotoxic – Suppressor – Helper
- D.
  
  Helper – Cytotoxic – Suppressor
11.

The immune cell that is able to respond quickly after any subsequent encounter with the same antigen is the …….
- A.
  
  Memory cell
- B.
  
  Basophil
- C.
  
  Plasma cell
- D.
  
  Helper T-cell
12.

The transfer of antibodies for a certain disease from the blood of the mother to the circulation of the embryo is considered …….
- A.
  
  Long lasting protection acquired immunity
- B.
  
  Long lasting protection innate immunity
- C.
  
  Short lasting protection acquired immunity
- D.
  
  Short lasting protection innate immunity
13.

………. cells are responsible for the secondary immune response.
- A.
  
  Memory
- B.
  
  Macrophages
- C.
  
  Monocytes
- D.
  
  Plasma
14.

Helper-T cells cannot recognize the antigens unless it is bind to …..
- A.
  
  Immune globulin
- B.
  
  MHC
- C.
  
  CD8
- D.
  
  All the above
15.

There are …… type(s) of memory cells found in the human body.
- A.
  
  One
- B.
  
  Two
- C.
  
  Three
- D.
  
  Four
16.

Which of the following pairs of chemical substances are antagonistic to each other?
- A.
  
  Interleukins – Cytokines
- B.
  
  Interferons – Cytokines
- C.
  
  Cytokines – Lymphokines
- D.
  
  Interleukins – Chemokines
17.

What will happen if a red blood cell is damaged?
- A.
  
  It will be eliminated by the cytotoxic-T cells
- B.
  
  It will be picked up by mobile phagocytic cell
- C.
  
  It will be picked up by phagocytic cells in the liver
- D.
  
  Its membrane will be perforated by the action of Perforin protein
18.

The main aim for vaccinating a healthy person with a weak microbe is the …….
- A.
  
  Activation of T-helper cells
- B.
  
  Formation of plasma B-cells
- C.
  
  Production of antibodies
- D.
  
  Formation of memory cells.
19.

Which statement is not true?
- A.
  
  The B cell can bind to extracellular and intracellular antigens.
- B.
  
  Each B cell will have a different type of antibody receptor on its surface.
- C.
  
  Each B cell has only one type of antibody receptor that binds to one specific antigen.
- D.
  
  The B cell antigen receptor has a similar structure to a soluble antibody.
- E.
  
  The B cell antibody receptor is complementary to an antigen.
20.

The third Line of defense includes …….
- A.
  
  Skin and Mucous membranes.
- B.
  
  Inflammatory response.
- C.
  
  Immune Response.
- D.
  
  Cerumen and Tears
21.

Complements do not function unless in the presence of …....
- A.
  
  Cytotoxic-T cells
- B.
  
  T- suppressor cells
- C.
  
  Helper-T cells
- D.
  
  B-cells
22.

Which of the following enable the immune system to recognize the causing agent of the disease?
- A.
  
  Interleukins
- B.
  
  Antibodies
- C.
  
  Cytokines
- D.
  
  Antigens
23.

Among the different ways of defense carried out by the immune system is ……..
- A.
  
  Secretion of toxins
- B.
  
  Production of antibodies
- C.
  
  Camouflage
- D.
  
  Running to escape
24.

Which cells can bind to the CD8 receptors found on the surface of T-suppressor cells?
- A.
  
  Plasma cells and carcinogenic cells
- B.
  
  T-helper, B-cells and natural killer cells
- C.
  
  Macrophage and T-cytotoxic
- D.
  
  T-helper, plasma cells and T-cytotoxic
25.

All the following cells secrete interferon protein except …..
- A.
  
  Plasma cells
- B.
  
  T-lymphocytes
- C.
  
  Macrophages
- D.
  
  Viral infected-cells

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