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Questions and Answers
Which type of bacteria are responsible for digesting non-living food materials?
Which type of bacteria are responsible for digesting non-living food materials?
What type of organisms are considered intermediate between a virus and a bacterium?
What type of organisms are considered intermediate between a virus and a bacterium?
Which diseases are caused by rickettsiae?
Which diseases are caused by rickettsiae?
What type of microorganism is considered the human body's worst enemy?
What type of microorganism is considered the human body's worst enemy?
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Which bacteria are known to help break down carbohydrates and combat disease-causing bacteria?
Which bacteria are known to help break down carbohydrates and combat disease-causing bacteria?
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What is a common symptom of roundworms?
What is a common symptom of roundworms?
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How are tapeworm eggs commonly transmitted?
How are tapeworm eggs commonly transmitted?
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What is the study of parasitic worms known as?
What is the study of parasitic worms known as?
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Which of the following is NOT a symptom commonly associated with pinworms?
Which of the following is NOT a symptom commonly associated with pinworms?
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What illness is caused by Trichinella spiralis?
What illness is caused by Trichinella spiralis?
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What are the primary symptoms of tapeworm infection?
What are the primary symptoms of tapeworm infection?
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How does a person typically contract trichinosis?
How does a person typically contract trichinosis?
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What additional symptoms may occur in patients infected with tapeworms?
What additional symptoms may occur in patients infected with tapeworms?
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What characterizes the symptoms of threadworm infection?
What characterizes the symptoms of threadworm infection?
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Where do flukes mature before they enter the human body?
Where do flukes mature before they enter the human body?
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What is a possible hazard in the workplace regarding water contamination?
What is a possible hazard in the workplace regarding water contamination?
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What are some ways flukes can enter the human body?
What are some ways flukes can enter the human body?
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What is one of the symptoms that may indicate infection in an individual?
What is one of the symptoms that may indicate infection in an individual?
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Which type of pathogen is known for causing diseases like Typhus?
Which type of pathogen is known for causing diseases like Typhus?
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What is a distinguishing feature of protozoa compared to bacteria?
What is a distinguishing feature of protozoa compared to bacteria?
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Which pathogen type primarily feeds on dead organisms?
Which pathogen type primarily feeds on dead organisms?
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What are helminths classified as?
What are helminths classified as?
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Which of the following pathogens cannot produce their own food?
Which of the following pathogens cannot produce their own food?
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Study Notes
Pathogens
- Pathogens are tiny microorganisms that cause disease.
- Types of pathogens:
- Bacteria
- Rickettsiae
- Viruses
- Fungi
- Parasites
Bacteria
- Bacteria are one-celled microorganisms that are widespread.
- Bacteria digest non-living materials such as milk and meat.
- Some bacteria are called saprophytes or animal parasites.
- A parasite is an organism that lives in or on another organism and feeds on it.
- Examples of bacteria include toxins, which produce poison called botulism, tetanuses, and lockjaw.
Rickettsiae
- Rickettsiae are organisms that are considered intermediate between a virus and a bacterium.
- They grow in the intestinal tracts of insects.
- Examples of Rickettsiae are lice, mites, and ticks.
- Typhus is a rocky mountain spotted fever caused by rickettsia.
Viruses
- Viruses are small, simple life-like forms from one-half to 100 times smaller than bacteria.
- Viruses are the human body's worst enemy.
Fungi
- Fungi cannot make their own food.
- They live on dead animals, insects, and leaves.
- Examples include yeasts and mushrooms.
Parasites
- Parasites live on or inside other organisms.
- Parasites are classified as a disease.
- Examples of parasites are:
- Tapeworms
- Pinworms
- Roundworms
- Flukes
Other information
- Diseases caused by these organisms are:
- Amoebic dysentery
- Polio
- Viral hepatitis
- Chicken pox
- Mumps
- Measles
- Smallpox
- Shingles
- Cold sores
- Warts
- Trichinosis
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Description
Explore the fascinating world of pathogens like bacteria, viruses, fungi, and parasites. This quiz covers their characteristics, classifications, and examples of common diseases they cause. Test your knowledge on the different types of microorganisms that impact human health.
