Immunology!

17 Questions | By Rogersbths | Updated: Nov 18, 2011 | Attempts: 233

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1.

Which of the following is part of the body's "first line of defense" against disease?
- A.
  
  Macrophages
- B.
  
  Skin
- C.
  
  T lymphocytes
- D.
  
  Antibodies
Correct Answer
B. Skin

Explanation
Cellular defenses, even generalized ones like macrophages, help to protect the body after a pathogen has invaded. Skin and mucous membranes block entry of pathogens.

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2.

What is a substance that a person can produce antibodies against?
- A.
  
  Antigen
- B.
  
  Antibull
- C.
  
  Complement
- D.
  
  Macrophage
Correct Answer
A. Antigen
3.

What cells destroy pathogens by engulfing them?
- A.
  
  Cytotoxic T Cells
- B.
  
  Basophils
- C.
  
  Eosinophils
- D.
  
  Macrophages
Correct Answer
D. Macrophages
4.

What type of cell produces antibodies?
- A.
  
  Macrophages
- B.
  
  Neutrophils
- C.
  
  Plasma B lymphocytes
- D.
  
  Memory T lymphocytes
Correct Answer
C. Plasma B lymphocytes
5.

Which type of cell destroys body cells that have been overwhelmed by infection?
- A.
  
  Cytotoxic T cells
- B.
  
  Memory T cells
- C.
  
  Plasma B cells
- D.
  
  Memory B cells
Correct Answer
A. Cytotoxic T cells
6.

HIV compromises the immune system by invading which cells?
- A.
  
  Cytotoxic T cells
- B.
  
  Helper T cells
- C.
  
  Helper B cells
- D.
  
  Plasma B cells
Correct Answer
B. Helper T cells
7.

Monoclonal antibodies are produced by
- A.
  
  Recombinant DNA methods
- B.
  
  Clones of memory cells
- C.
  
  Hybridoma cell cultures
- D.
  
  Cytokines
Correct Answer
C. Hybridoma cell cultures
8.

Which of the following are reasons why antibiotics are effective against bacteria, but not viruses? Check all that apply.
- A.
  
  Antibiotics can block metabolic pathways that are present in bacteria.
- B.
  
  Antibiotics can block bacterial protein synthesis.
- C.
  
  Viruses use the host cell metabolic pathways.
- D.
  
  Viruses do not have cell walls.
- E.
  
  Viruses have vastly different genetic material than bacteria.
Correct Answer(s)
A. Antibiotics can block metabolic pathways that are present in bacteria.
B. Antibiotics can block bacterial protein synthesis.
C. Viruses use the host cell metabolic pathways.
D. Viruses do not have cell walls.
9.

The first step in destruction of a pathogen by a phagocytic leucocyte is engulfing the pathogen.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The first step is chemical recognition of the pathogen.

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10.

A ____________ is an organism or virus that can cause disease or an immune response.

Correct Answer
pathogen
11.

A macrophage that has engulfed an antigen will bind to and activate helper T cells, which bind to and activate B cells.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
12.

Once the body has been exposed to a particular antigen, __________ will be able to recognize the antigen in the future and clone rapidly to produce an "army" of antibody-producing cells against that antigen.

Correct Answer
Memory B cell
Memory B lymphocyte
Memory cell
13.

HIV is a
- A.
  
  Bacterium
- B.
  
  Retrovirus
- C.
  
  Modernovirus
- D.
  
  Fungus
Correct Answer
B. Retrovirus
14.

Check the ways in which HIV/AIDS can be transmitted.
- A.
  
  Breastmilk
- B.
  
  Bodily fluids
- C.
  
  Semen
- D.
  
  Vaginal secretions
- E.
  
  Saliva
- F.
  
  Sharing needles
- G.
  
  Blood transfusions in the 1980s
- H.
  
  Hugging
- I.
  
  Using the same toilet as an infected person
Correct Answer(s)
A. Breastmilk
B. Bodily fluids
C. Semen
D. Vaginal secretions
F. Sharing needles
G. Blood transfusions in the 1980s
15.

Place these steps involved in clotting in the correct order.
- A.
  
  Thrombin ---> Prothrombin ---> Fibrin ---> Fibrinogen
- B.
  
  Prothrombim ---> Thrombin ---> Fibrinogen ---> Fibrin
- C.
  
  Fibrin ---> Fibrinogen ---> Prothrombin ---> Thrombin
- D.
  
  Prothrombin ---> Thrombin ---> Fibrin ---> Fibrinogen
- E.
  
  Eat more carrots ---> Eat even more ---> turn into a bunny
Correct Answer
B. Prothrombim ---> Thrombin ---> Fibrinogen ---> Fibrin
16.

The colostrum provides passive immunity.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
17.

Vaccines are a form of passive immunity.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

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Current Version
Nov 18, 2011

Quiz Edited by
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Nov 17, 2011

Quiz Created by
Rogersbths

Immunology!

Which of the following is part of the body's "first line of defense" against disease?

What is a substance that a person can produce antibodies against?

What cells destroy pathogens by engulfing them?

What type of cell produces antibodies?

Which type of cell destroys body cells that have been overwhelmed by infection?

HIV compromises the immune system by invading which cells?

Monoclonal antibodies are produced by

Which of the following are reasons why antibiotics are effective against bacteria, but not viruses? Check all that apply.

The first step in destruction of a pathogen by a phagocytic leucocyte is engulfing the pathogen.

A ____________ is an organism or virus that can cause disease or an immune response.

A macrophage that has engulfed an antigen will bind to and activate helper T cells, which bind to and activate B cells.

Once the body has been exposed to a particular antigen, __________ will be able to recognize the antigen in the future and clone rapidly to produce an "army" of antibody-producing cells against that antigen.

HIV is a

Check the ways in which HIV/AIDS can be transmitted.

Place these steps involved in clotting in the correct order.

The colostrum provides passive immunity.

Vaccines are a form of passive immunity.