Infectious Bacteria Part 1

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| By Turnforever23
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Infectious Bacteria Part 1 - Quiz

This quiz is about describing infectious bacteria


Questions and Answers
  • 1. 

    What causes pneumonia and meningitis, is gram + and coccus?

    • A.

      Streptococcus pneumoniae

    • B.

      Ehrlichia

    • C.

      Mycoplasma pneumoniae

    • D.

      Vibrio cholerae

    • E.

      Francisella tularensis

    Correct Answer
    A. Streptococcus pneumoniae
    Explanation
    Streptococcus pneumoniae is a gram-positive coccus bacterium that is known to cause both pneumonia and meningitis. It is a common cause of community-acquired pneumonia and can also lead to invasive infections such as meningitis, bacteremia, and sepsis. This bacterium is typically found in the upper respiratory tract and can spread to other parts of the body, causing infections. It is important to note that while Streptococcus pneumoniae is a common cause of these infections, other bacteria and viruses can also cause pneumonia and meningitis.

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  • 2. 

    What is not true about mycobacterium tuberculosis

    • A.

      Causes tuberculosis

    • B.

      Is acid fast

    • C.

      Is rod shaped

    • D.

      Is gram +

    Correct Answer
    D. Is gram +
    Explanation
    Mycobacterium tuberculosis is not gram-positive. Gram-positive bacteria have a thick layer of peptidoglycan in their cell walls, which retains the crystal violet stain during the Gram staining procedure. However, Mycobacterium tuberculosis has a unique cell wall structure that contains mycolic acids, which prevents the crystal violet stain from binding and makes it appear as a gram-negative bacterium.

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  • 3. 

    What causes lyme disease?

    • A.

      Vibrio vulnificus, G-, vibrio

    • B.

      Mycoplasma genitalium, mycoplasma

    • C.

      Yersinia pestis, G-, rod

    • D.

      Borrelia burgdorferi, G-, spirochete

    • E.

      Streptococcus pneumoniae, G+, coccus

    Correct Answer
    D. Borrelia burgdorferi, G-, spirochete
    Explanation
    Lyme disease is caused by Borrelia burgdorferi, a type of bacteria. It is a spirochete, which means it has a spiral shape. The bacteria is transmitted to humans through the bite of infected black-legged ticks. These ticks are commonly found in wooded and grassy areas. When an infected tick bites a person, the bacteria enters their bloodstream and can cause a range of symptoms, including fever, fatigue, headache, and a characteristic skin rash. If left untreated, Lyme disease can lead to more severe complications, affecting the joints, heart, and nervous system.

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  • 4. 

    Bacillus cereus causes?

    Correct Answer
    food poisoning
    Explanation
    Bacillus cereus is a type of bacteria that can cause food poisoning. It produces toxins that can contaminate food, leading to symptoms such as nausea, vomiting, diarrhea, and abdominal cramps. The bacteria can be found in a variety of foods, including rice, pasta, meat, and vegetables. Consuming contaminated food can result in the development of food poisoning symptoms within a few hours. Therefore, the correct answer is food poisoning.

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  • 5. 

    Bacillus anthracis causes

    Correct Answer
    anthrax
    Anthrax
    Explanation
    Bacillus anthracis is a bacterium that causes the infectious disease known as anthrax. The disease can affect both humans and animals, and it is caused by the release of spores from the bacterium. These spores can enter the body through inhalation, ingestion, or skin contact, leading to different forms of anthrax. The symptoms of anthrax depend on the route of infection and can range from flu-like symptoms to severe respiratory distress, gastrointestinal issues, or skin lesions. Prompt diagnosis and treatment are crucial to prevent complications and potential fatalities associated with anthrax infections.

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  • 6. 

    What causes wound infections, gastroenteritis, and primary septicemia?

    • A.

      Bordetella pertussis, G-, rod

    • B.

      Escherichia coli, G-, rod

    • C.

      Vibrio vulnificus, G-, vibrio

    • D.

      Clostridium botulinum, G+, rod

    • E.

      Vibrio vulnificus, G+, vibrio

    Correct Answer
    C. Vibrio vulnificus, G-, vibrio
    Explanation
    Vibrio vulnificus is a Gram-negative bacterium that belongs to the Vibrio genus. It is known to cause wound infections, gastroenteritis, and primary septicemia. Being Gram-negative means that the bacterium has a thin peptidoglycan layer in its cell wall, which makes it more resistant to certain antibiotics and more likely to cause infections. The fact that Vibrio vulnificus is a vibrio further confirms its ability to cause these specific infections, as vibrios are commonly associated with waterborne illnesses and can thrive in marine environments.

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  • 7. 

    Bordetella pertussis (gram - , rod) causes what?

    • A.

      Pneumonia

    • B.

      Whooping cough

    • C.

      TB

    • D.

      Gastroenteritis

    Correct Answer
    B. Whooping cough
    Explanation
    Bordetella pertussis is a gram-negative rod-shaped bacterium that causes whooping cough. Whooping cough, also known as pertussis, is a highly contagious respiratory infection characterized by severe coughing fits, often accompanied by a "whooping" sound when the person inhales. It is primarily transmitted through respiratory droplets and can be particularly dangerous for infants and young children. Symptoms typically include a persistent cough, runny nose, and fever. Vaccination is an effective way to prevent the spread of the disease.

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  • 8. 

    What causes leprosy, is acid fast, and rod shaped?

    Correct Answer
    Mycobacterium leprae
    mycobacterium leprae
    Explanation
    Leprosy is caused by a bacterium called Mycobacterium leprae. This bacterium is acid fast, meaning it retains a stain even when exposed to acid, and it is rod-shaped. Therefore, the correct answer is Mycobacterium leprae.

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  • 9. 

    Causes gastroenteritis, is gram negative, and rod shaped?

    • A.

      Escherichia coli

    • B.

      Mycoplasma genitalium

    • C.

      Streptococcus pyogenes

    • D.

      Clostridium perfingens

    • E.

      Bordetella pertussis

    Correct Answer
    A. Escherichia coli
    Explanation
    Escherichia coli is a gram-negative, rod-shaped bacterium that is known to cause gastroenteritis. It is commonly found in the intestines of humans and animals. In certain strains, it produces toxins that can lead to diarrhea, abdominal pain, and vomiting. Therefore, Escherichia coli is the correct answer for the given question.

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  • 10. 

    Causes tetanus is G+ and rod shaped

    Correct Answer
    Clostridium tetani
    clostridium tetani
    Explanation
    Clostridium tetani is the correct answer because it is a Gram-positive bacterium that causes tetanus. It is a rod-shaped bacterium commonly found in soil and animal feces. Clostridium tetani produces a neurotoxin called tetanospasmin, which causes muscle stiffness and spasms, leading to the characteristic symptoms of tetanus. The presence of "clostridium tetani" in the question reinforces the fact that this bacterium is responsible for causing tetanus.

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  • 11. 

    Causes scarlet fever and strep, is gram + and coccus

    Correct Answer
    Streptococcus pyogenes
    streptococcus pyogenes
    Explanation
    Streptococcus pyogenes is a bacterium that causes scarlet fever and strep throat. It is gram-positive, which means it retains a purple color when stained with the Gram stain. It is also spherical in shape, making it a coccus. Therefore, Streptococcus pyogenes fits the description provided in the question.

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  • 12. 

    What causes an atypical type of pneumonia called mycoplasma pneumoniae,

    Correct Answer
    Mycoplasma pneumoniae
    mycoplasma pneumoniae
    Explanation
    The correct answer is Mycoplasma pneumoniae. Mycoplasma pneumoniae is a bacterium that causes an atypical type of pneumonia known as mycoplasma pneumoniae. This bacterium is a common cause of respiratory infections, particularly in young adults and children. It can be transmitted through respiratory droplets and typically causes symptoms such as cough, fever, sore throat, and fatigue. Mycoplasma pneumoniae is different from other types of pneumonia because it does not have a cell wall, making it resistant to certain antibiotics. Treatment usually involves antibiotics that target this specific bacterium.

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  • 13. 

    What is true of Vibrio cholerae

    • A.

      Causes asiatic cholera, gram negative, vibrio

    • B.

      Causes asiatic cholera, gram positive vibrio

    Correct Answer
    A. Causes asiatic cholera, gram negative, vibrio
    Explanation
    Vibrio cholerae is a bacterium that causes Asiatic cholera, a severe diarrheal disease. It is classified as a gram-negative bacterium, which means it has a thin peptidoglycan layer in its cell wall. The presence of the word "vibrio" in the answer indicates that Vibrio cholerae belongs to the Vibrio genus, which is known for its curved or comma-shaped bacteria. Therefore, the correct answer is that Vibrio cholerae causes Asiatic cholera, is gram-negative, and belongs to the Vibrio genus.

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  • 14. 

    Causes the bubonic plague, pneumonic plague, and septicemic plauge.

    • A.

      Yersinia pestis, gram positive, rod

    • B.

      Yersinia pestis, gram negative, rod

    • C.

      Haemophilus ducretyi, gram negative, rod

    • D.

      Clostridium botulinum, gram positive, rod

    • E.

      Clostridium botulinum, gram negative, rod

    Correct Answer
    B. Yersinia pestis, gram negative, rod
    Explanation
    Yersinia pestis is the correct answer because it is the bacterium that causes the bubonic plague, pneumonic plague, and septicemic plague. It is a gram-negative rod-shaped bacterium.

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  • 15. 

    What is not true of Clostridium perfringens

    • A.

      Causes food poisoning

    • B.

      Causes gas gangrene

    • C.

      Rod shaped

    • D.

      Gram negative

    • E.

      Gram positive

    Correct Answer
    E. Gram positive
    Explanation
    Clostridium perfringens is a bacterium that causes food poisoning and gas gangrene. It is rod-shaped and belongs to the gram-positive group of bacteria. Gram-positive bacteria have a thick peptidoglycan layer in their cell walls, which retains the crystal violet dye during the Gram staining process. Therefore, the given answer that Clostridium perfringens is gram positive is true.

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  • 16. 

    What does Brucella abortus (gram negative, rod) cause?

    Correct Answer
    brucellosis
    bang's disease
    undulant fever
    Explanation
    Brucella abortus is a gram-negative rod bacterium that causes brucellosis, also known as Bang's disease or undulant fever. Brucellosis is a zoonotic infection transmitted from animals to humans through consumption of contaminated animal products or direct contact with infected animals. It can cause symptoms such as fever, fatigue, joint pain, and headaches. Bang's disease is another name for brucellosis, named after Bernhard Bang, a Danish veterinarian who discovered the disease. Undulant fever refers to the recurring fever pattern seen in brucellosis patients, where the fever spikes and then subsides, giving the illness its name.

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  • 17. 

    This causes peptic, gastric, and duodenal ulcers. it is gram negative and vibrios

    • A.

      Helicobacter pylori

    • B.

      Neisseria meningitidis

    • C.

      Listeria monocytogenes

    • D.

      Haemophilus influenzae

    • E.

      Haemophilus ducreyi

    Correct Answer
    A. Helicobacter pylori
    Explanation
    Helicobacter pylori is the correct answer because it is a gram-negative bacterium that is known to cause peptic, gastric, and duodenal ulcers. It is also classified as a type of Vibrio bacteria.

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  • 18. 

    Causes food poisoning, toxic shock syndrome, wound infections, staph. it is gram positive and coccus

    Correct Answer
    streptococcus aureus
    Streptococcus aureus
    Explanation
    Streptococcus aureus is a gram-positive coccus bacterium that can cause various infections, including food poisoning, toxic shock syndrome, and wound infections. It is known to be a common cause of staph infections. Streptococcus aureus is a pathogenic bacteria that can produce toxins, leading to the symptoms associated with these infections.

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  • 19. 

    Causes yersiniosis and gastroenteritis, gram negative and rod shaped

    Correct Answer
    Yersinia enterocolitica
    yersinia enterocolitica
    Explanation
    Yersinia enterocolitica is a bacterium that causes yersiniosis and gastroenteritis. It is gram-negative, meaning it does not retain the crystal violet stain in the Gram staining process, and it is rod-shaped. Yersinia enterocolitica is the correct answer to the question because it matches the given description of causing yersiniosis and gastroenteritis, being gram-negative, and having a rod-shaped morphology.

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  • 20. 

    Causes Q fever and is an obligate intracellular parasite

    • A.

      Listera monocytogenes

    • B.

      Rickettsia

    • C.

      Treponema pallidum

    • D.

      Coxiella burnetii

    Correct Answer
    D. Coxiella burnetii
    Explanation
    Coxiella burnetii is the correct answer because it is the bacterium that causes Q fever, a zoonotic disease that can be transmitted to humans from animals. It is considered an obligate intracellular parasite, meaning it can only survive and replicate inside host cells. Coxiella burnetii is commonly found in livestock such as cattle, sheep, and goats, and can be transmitted to humans through inhalation of contaminated aerosols or consumption of contaminated food products. It can cause flu-like symptoms in humans, but can also lead to more severe complications in some cases.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jan 18, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 15, 2010
    Quiz Created by
    Turnforever23
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