Ultimate Quiz On Immune System! Trivia
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Ultimate quiz on immune system trivia! The immune system is tasked with ensuring that the body is protected from substances that pose a threat to it. Did you know that the skin is considered to be a part of the immune system as it protects the body’s internal organs from the outside environment? Although one is usually born with an immune system, we can increase its strength through the foods we eat and at times medications. Do take the quiz and see how much you know about this system.
Questions and Answers
- 1.
A substance that triggers and immune response is an
- A.
Antibody
- B.
Antigen
- C.
Allergy
- D.
Antibiotic
Correct Answer
B. AntigenExplanation
An antigen is a substance that triggers an immune response in the body. When an antigen enters the body, it is recognized by the immune system as foreign, and this triggers the production of antibodies to neutralize or eliminate the antigen. Antigens can be proteins, carbohydrates, or other molecules that are found on the surface of cells or viruses. The immune response to antigens is an important defense mechanism that helps protect the body from infections and diseases.Rate this question:
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- 2.
Which of the following are examples of nonspecific defense?
- A.
Skin
- B.
Macrophages
- C.
T-cells
- D.
B-cells
- E.
Fever
- F.
Mucus membranes
- G.
Antibiodies
Correct Answer(s)
A. Skin
B. Macrophages
E. Fever
F. Mucus membranesExplanation
The examples provided in the answer are all part of the nonspecific defense system of the body. The skin acts as a physical barrier to prevent the entry of pathogens. Macrophages are immune cells that engulf and destroy foreign substances. Fever is a response of the body to infection, which helps to inhibit the growth of pathogens. Mucus membranes line various parts of the body and help trap and remove pathogens. These defense mechanisms are not specific to any particular pathogen and provide a general defense against a wide range of pathogens.Rate this question:
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- 3.
White blood cells that can engulf pathogens are known as
- A.
Antibodies
- B.
Antigens
- C.
B-cells
- D.
Phagocytes
Correct Answer
D. PhagocytesExplanation
Phagocytes are a type of white blood cells that have the ability to engulf and destroy pathogens. They play a crucial role in the immune response by recognizing and engulfing foreign particles, such as bacteria and viruses, through a process called phagocytosis. This helps to eliminate the pathogens from the body and prevent the spread of infection. Antibodies, antigens, and B-cells are also important components of the immune system, but they do not directly engulf pathogens like phagocytes do.Rate this question:
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- 4.
Proteins that bind to specific chemicals on the surface of foreign cells are called
- A.
Phagocytes
- B.
Antigens
- C.
Antibodies
- D.
T-cells
Correct Answer
B. AntigensExplanation
Antigens are proteins that bind to specific chemicals on the surface of foreign cells. They are responsible for initiating an immune response in the body. When antigens are detected, the immune system produces antibodies, which are proteins that specifically recognize and bind to the antigens. This binding of antibodies to antigens helps in marking the foreign cells for destruction by other immune cells. Phagocytes are immune cells that engulf and destroy foreign cells, while T-cells are a type of white blood cell involved in cell-mediated immunity.Rate this question:
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- 5.
Vaccines work because they allow the immune system to build up antibodies against the pathogen. Then if you are infected with the pathogen you can immediately attack it and not get sick.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Vaccines work by stimulating the immune system to produce antibodies specific to a particular pathogen. These antibodies help the body recognize and attack the pathogen if it is encountered again in the future. This immune response allows for a faster and more effective defense against the pathogen, preventing illness or reducing its severity. Therefore, the statement that vaccines allow the immune system to build up antibodies against the pathogen and protect against getting sick is true.Rate this question:
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- 6.
Which organ acts as a barrier between germs and the body in the Immune System?
- A.
Thymus
- B.
Spleen
- C.
Lymph Node
- D.
Skin
Correct Answer
D. SkinExplanation
The skin acts as a barrier between germs and the body in the immune system. It is the body's largest organ and serves as the first line of defense against pathogens. The skin acts as a physical barrier, preventing the entry of harmful microorganisms. It also produces antimicrobial substances and houses immune cells that can detect and destroy invading germs. Therefore, the skin plays a crucial role in protecting the body from infections and maintaining overall immune health.Rate this question:
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- 7.
The Immune System protects us from billions of bacteria, viruses, and others?
- A.
Parasites
- B.
Skins
- C.
Allergies
- D.
Hives
Correct Answer
A. ParasitesExplanation
The immune system is responsible for protecting the body from various pathogens, including bacteria, viruses, and parasites. Parasites are organisms that live in or on another organism and rely on it for their survival. They can cause infections and diseases in humans. Therefore, the immune system plays a crucial role in defending against parasites by recognizing and eliminating them from the body.Rate this question:
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- 8.
What is a substance that can cause a person to become sensitive to, and produce antibodies against it?
- A.
Thymosin
- B.
Complement
- C.
Humor
- D.
Antigen
Correct Answer
D. AntigenExplanation
An antigen is a substance that can cause a person to become sensitive to it and produce antibodies against it. When an antigen enters the body, the immune system recognizes it as foreign and mounts an immune response by producing antibodies specifically designed to neutralize or destroy the antigen. This immune response helps protect the body from harmful substances, such as bacteria, viruses, or toxins.Rate this question:
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- 9.
Is a monocyte a red or white blood cell?
- A.
Red
- B.
White
Correct Answer
B. WhiteExplanation
A monocyte is a type of white blood cell. White blood cells are part of the immune system and play a crucial role in defending the body against infections and diseases. Monocytes are the largest type of white blood cells and are responsible for engulfing and destroying foreign particles, such as bacteria and viruses. They are also involved in the inflammatory response and help to recruit other immune cells to the site of infection or injury. Therefore, the correct answer is white.Rate this question:
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- 10.
What are the Bacteria?
- A.
Single celled microorganisms
- B.
Multiple cells microorgansims
- C.
Germs that are found only in the barbershop
- D.
Germs that are found only on your hands
Correct Answer
A. Single celled microorganismsExplanation
Bacteria are single celled microorganisms that can be found in various environments such as soil, water, and even inside the human body. They are among the simplest forms of life and can reproduce rapidly. Bacteria can be both beneficial and harmful to humans, as they play a crucial role in processes such as digestion and nutrient recycling, but can also cause infections and diseases.Rate this question:
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- 11.
What statement is FALSE about Non-Pathogenic Bacteria.
- A.
They live on matter that is still alive
- B.
They do not produce diseases
- C.
They improve infertility
- D.
They decompose refuse
Correct Answer
A. They live on matter that is still aliveExplanation
Non-pathogenic bacteria do not live on matter that is still alive. They can live on dead matter or inanimate surfaces, but they do not require or feed on living organisms. They do not cause diseases, and in fact, they can have beneficial effects such as improving soil fertility and decomposing organic waste. Therefore, the statement "They live on matter that is still alive" is false.Rate this question:
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- 12.
A disease becomes contagious when it goes from one person to another.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
When a disease is able to spread from one person to another, it is considered contagious. This means that the disease can be transmitted through various means such as direct contact, respiratory droplets, or contaminated surfaces. Contagious diseases are capable of causing outbreaks or epidemics as they can quickly infect a large number of people. Therefore, the statement "A disease becomes contagious when it goes from one person to another" is true.Rate this question:
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- 13.
Poisons released by some bacteria:
- A.
Vaccine
- B.
Toxin
- C.
Antibiotic
- D.
Immunity
Correct Answer
B. ToxinExplanation
Toxins are substances produced by bacteria that can cause harm to the body. These toxins can be released by some bacteria as a defense mechanism or as a way to invade and damage host tissues. Vaccines, antibiotics, and immunity are all related to the body's defense against bacteria, but they do not directly refer to the poisons released by bacteria. Therefore, the correct answer is "toxin".Rate this question:
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- 14.
Disease-causing agent.
- A.
Bacteria
- B.
Virus
- C.
Vaccine
- D.
Pathogen
Correct Answer
D. PathogenExplanation
A pathogen refers to any disease-causing agent, including bacteria, viruses, and other microorganisms. It is the general term used to describe any organism or substance that can cause an infection or disease in a host. Therefore, pathogen is the correct answer as it encompasses both bacteria and viruses, which are specific types of pathogens. A vaccine, on the other hand, is a preventive measure used to stimulate the body's immune response against specific pathogens.Rate this question:
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- 15.
Weakened or killed pathogen injected into the body to help with immunity.
- A.
Antibiotics
- B.
Toxin
- C.
Vaccine
- D.
Pathogen
Correct Answer
C. VaccineExplanation
A vaccine is a weakened or killed pathogen that is injected into the body to help build immunity. By introducing the pathogen in a weakened or killed form, the body's immune system is able to recognize and fight against it. This allows the immune system to develop memory cells, which remember the pathogen and can quickly respond to it if it is encountered again in the future. Antibiotics, on the other hand, are used to treat bacterial infections, while toxins are harmful substances produced by certain organisms.Rate this question:
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- 16.
Chemical compounds the inhibit the growth of bacteria.
- A.
Disinfectant
- B.
Cleaner
- C.
Antibiotics
- D.
Vaccines
Correct Answer
C. AntibioticsExplanation
Antibiotics are chemical compounds that inhibit the growth of bacteria. They are specifically designed to target and kill bacteria, making them effective in treating bacterial infections. Unlike disinfectants, which are used to kill bacteria on surfaces, antibiotics are used to treat infections within the body. While vaccines also help in preventing bacterial infections, they do not directly inhibit the growth of bacteria like antibiotics do. Cleaners, on the other hand, are used to remove dirt and debris but do not have the ability to kill bacteria.Rate this question:
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- 17.
Body's ability to destroy pathogens.
- A.
Antibiotics
- B.
Disinfectant
- C.
Toxins
- D.
Immune system
Correct Answer
D. Immune systemExplanation
The immune system is the body's defense mechanism against pathogens, such as bacteria, viruses, and other harmful microorganisms. It is responsible for identifying and destroying these pathogens to prevent infections and diseases. Unlike antibiotics, which specifically target and kill bacteria, or disinfectants, which kill microorganisms on surfaces, the immune system has a broader range of functions and can combat various types of pathogens. Additionally, the immune system helps neutralize toxins produced by pathogens, further protecting the body from harm.Rate this question:
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- 18.
Bacteria can be found:
- A.
In yogurt, vitamins, and cheese
- B.
In the intestines of animals to help them digest food
- C.
On plant roots to help them turn nitrogen gas to usable nitrogen
- D.
All of the above
- E.
None of the above
Correct Answer
D. All of the aboveExplanation
The correct answer is "all of the above" because bacteria can be found in yogurt, vitamins, and cheese as they play a role in the fermentation process. They can also be found in the intestines of animals where they aid in digestion. Additionally, bacteria can be found on plant roots where they form symbiotic relationships and help convert nitrogen gas into a usable form for plants.Rate this question:
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- 19.
What is the main purpose of flagella on a bacterial cell?
- A.
Obtaining and digesting food
- B.
Locomotion (movement)
- C.
Attaching to another cell for entry
- D.
It has no purpose, it is a vestigal structure
- E.
It looks cool!
Correct Answer
B. Locomotion (movement)Explanation
The main purpose of flagella on a bacterial cell is locomotion or movement. Flagella are whip-like structures that extend from the cell surface and help the bacteria to move in liquid environments. They act like propellers, rotating and propelling the cell forward or backward. This movement allows the bacteria to navigate towards favorable conditions, such as sources of nutrients or away from harmful substances. Flagella are essential for bacterial cells to explore and colonize different environments.Rate this question:
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- 20.
We heat up and refrigerate food because it helps to:
- A.
It helps us avoid bacterial growth that could make us ill
- B.
It helps us avoid viral growth that could make us ill
- C.
It allows us to prevent endospores from forming and being transported into the air for other transport
- D.
All of the above
- E.
None of the above
Correct Answer
A. It helps us avoid bacterial growth that could make us illExplanation
Heating up and refrigerating food helps us avoid bacterial growth that could make us ill. Bacteria multiply rapidly in warm temperatures, so heating food kills or reduces the number of bacteria present. Refrigeration slows down the growth of bacteria, preventing them from multiplying to dangerous levels. By taking these precautions, we can reduce the risk of foodborne illnesses caused by bacterial contamination.Rate this question:
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- 21.
It is most effective to wash your hands.
- A.
In warm water
- B.
In warm water with soap
- C.
In cold water
- D.
Any of the above are effective
- E.
Non of the above are effective
Correct Answer
B. In warm water with soapExplanation
Washing hands in warm water with soap is the most effective method because warm water helps to loosen dirt, oil, and bacteria from the skin, while soap helps to break down and remove these contaminants. The combination of warm water and soap creates a lather that can effectively remove germs and viruses from the hands. Cold water is less effective at removing dirt and bacteria, and washing hands without soap may not effectively eliminate harmful microorganisms. Therefore, washing hands in warm water with soap is the best choice for maintaining proper hand hygiene.Rate this question:
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- 22.
The best treatment for an unknown viral disease is
- A.
An antibiotic
- B.
Bed rest
- C.
Exercise
- D.
A vaccine
Correct Answer
B. Bed restExplanation
Bed rest is the best treatment for an unknown viral disease because it allows the body to conserve energy and focus on fighting off the infection. When a person rests, their immune system can work more efficiently to combat the virus, reducing the severity and duration of the illness. Additionally, bed rest helps prevent the spread of the disease to others and minimizes the risk of complications that may arise from physical exertion while the body is weakened.Rate this question:
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- 23.
A chemical that can kill bacteria without harming the human body is a(n)
- A.
Antibiotic
- B.
Virus
- C.
Vaccine
- D.
Water
Correct Answer
A. AntibioticExplanation
An antibiotic is a substance that can kill bacteria without causing harm to the human body. It is specifically designed to target and destroy bacteria, inhibiting their growth and preventing them from causing infections. Antibiotics work by interfering with the essential processes of bacteria, such as their ability to build cell walls or replicate their DNA. This targeted action allows antibiotics to effectively eliminate bacterial infections while minimizing harm to human cells.Rate this question:
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- 24.
In order to multiply, a virus must
- A.
Conjugate with another virus
- B.
Invade a host cell
- C.
Manufacture extra food
- D.
Remain hidden
Correct Answer
B. Invade a host cellExplanation
In order to multiply, a virus needs to invade a host cell. Viruses are not capable of reproducing on their own and therefore rely on host cells to provide the necessary machinery and resources for replication. Once inside a host cell, the virus takes over the cellular machinery to replicate its genetic material and produce more virus particles. This invasion of the host cell is a crucial step in the viral life cycle and allows the virus to multiply and spread to other cells or hosts.Rate this question:
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- 25.
What are Bacteria?
- A.
Single celled microorganisms
- B.
Multiple cells microorgansims
- C.
Germs that are found only in the barbershop
- D.
Germs that are found only on your hands
Correct Answer
A. Single celled microorganismsExplanation
Bacteria are single-celled microorganisms that can be found almost everywhere, including in soil, water, and the human body. They are microscopic in size and are classified as prokaryotes, lacking a nucleus and other membrane-bound organelles. Bacteria play essential roles in various ecosystems, such as nutrient cycling and decomposition. Some bacteria are harmful and can cause diseases, while others are beneficial and are used in industries such as food production and medicine. Overall, bacteria are diverse and versatile organisms that have a significant impact on the environment and human health.Rate this question:
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- 26.
A disease becomes contagious when it goes from one person to another.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
This statement is true because a disease is considered contagious when it can be transmitted from one person to another. Contagious diseases are typically caused by pathogens, such as viruses or bacteria, that can be spread through various means like direct contact, respiratory droplets, or contaminated surfaces. When a disease is contagious, it has the potential to rapidly spread within a population, leading to outbreaks or epidemics.Rate this question:
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- 27.
Chemical compounds the inhibit the growth of bacteria
- A.
Disinfectant
- B.
Cleaner
- C.
Antibiotics
- D.
Vaccines
Correct Answer
C. AntibioticsExplanation
Antibiotics are chemical compounds that inhibit the growth of bacteria. They are commonly used to treat bacterial infections in humans and animals. Unlike disinfectants, which are used to kill bacteria on surfaces, antibiotics are specifically designed to target and kill bacteria within the body. While vaccines also help prevent bacterial infections, they do so by stimulating the immune system to produce antibodies, rather than directly inhibiting bacterial growth. Cleaners, on the other hand, are substances used to remove dirt and impurities from surfaces, but they do not have the ability to kill bacteria or inhibit their growth.Rate this question:
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Current Version
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Mar 22, 2023Quiz Edited by
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Aug 28, 2014Quiz Created by
Nickapo
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