Advanced Level: Microbiology Trivia Quiz

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  • 1/35 Questions

    An agent able to carry pathogens from one host to another, usually insects/animal

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About This Quiz

There are different levels of being a genius, and what you know others may not know. Are you a beginner when it comes to microbiology, or are you in the advanced stage? The quiz below is designed for the advanced level of microbiology, if you are at this level do try it out and see how well you will perform. All the best!

Advanced Level: Microbiology Trivia Quiz - Quiz

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  • 2. 

    A worldwide epidemic

    Explanation
    The given correct answer is "pandemic". A pandemic refers to a global outbreak of a disease that affects a large number of people across different countries or continents. It is characterized by the spread of the disease on a global scale, causing significant illness, death, and disruption to societies. Unlike an epidemic, which is limited to a specific region or population, a pandemic has a much wider reach and impact. Therefore, "pandemic" accurately describes a worldwide epidemic.

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  • 3. 

    Constantly present at a low incidence

    Explanation
    Endemic refers to a disease or condition that is constantly present at a low incidence in a particular population or geographic area. It implies that the disease is native to that specific region and is consistently present, although the number of cases may be relatively low. This term is often used to describe diseases that are restricted to a certain area or population and do not spread widely to other regions.

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  • 4. 

    Critical for controlling a disease...

    • Knowing reservoir

    • Knowing route of transmission

    • Knowing disease carriers

    • Knowing pathogen life cycles

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Knowing the reservoir, route of transmission, disease carriers, and pathogen life cycles are all critical for controlling a disease. The reservoir refers to the source or location where the pathogen resides and from where it can infect individuals. Understanding the route of transmission helps in implementing effective preventive measures. Identifying disease carriers helps in targeting interventions and reducing the spread of the disease. Knowledge about the pathogen's life cycle aids in developing strategies to interrupt its transmission and control the disease. Therefore, all of the above factors are necessary for effective disease control.

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  • 5. 

    Hospital and nursing home patients are susceptible to serious infections because

    • Many patients have low resistance to infectious diseases.

    • The use of antibiotics selects for antibiotic-resistant organisms.

    • Many diverse human reservoirs are present.

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Hospital and nursing home patients are susceptible to serious infections because many patients have low resistance to infectious diseases. Additionally, the use of antibiotics selects for antibiotic-resistant organisms, making it more difficult to treat infections. Furthermore, hospitals and nursing homes often have many diverse human reservoirs, increasing the likelihood of exposure to infectious diseases.

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  • 6. 

    Unusually high incidence of a disease occurs in a specific population

    Correct Answer
    epidemic
    Explanation
    An epidemic refers to an unusually high incidence of a disease occurring in a specific population. It is characterized by the rapid spread of the disease within a short period of time, affecting a large number of people. The term "epidemic" is used when the occurrence of the disease exceeds the normal or expected level in a particular area or community. It signifies a sudden outbreak of a contagious disease that requires immediate attention and measures to control its spread.

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  • 7. 

    Incidence of death in a population

    Correct Answer
    mortality
    Explanation
    Mortality refers to the incidence of death in a population. It is a measure of the number of deaths that occur within a specific population over a given period of time. It is often used to analyze and understand the overall health and well-being of a population. By studying mortality rates, researchers and policymakers can identify trends, patterns, and risk factors associated with certain diseases or conditions, which can help inform public health interventions and healthcare policies.

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  • 8. 

    The number of new disease cases reported in a population in a given time period

    Correct Answer
    incidence
    Explanation
    The term "incidence" refers to the number of new disease cases reported in a population within a specific time frame. It is a measure used to determine the rate at which new cases of a particular disease are occurring. Incidence helps in understanding the spread and impact of a disease on a population, and it is often used in epidemiology to monitor and track the occurrence of diseases.

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  • 9. 

    Which stage of an acute infectious disease occurs between the time the organism begins to grow in the host and the appearance of disease symptoms?

    • Decline period

    • Acute period

    • Infection

    • Incubation period

    Correct Answer
    A. Incubation period
    Explanation
    The incubation period is the stage of an acute infectious disease that occurs between the time the organism begins to grow in the host and the appearance of disease symptoms. During this period, the pathogen is multiplying within the host's body, but the symptoms have not yet manifested. This is an important stage as it allows the pathogen to establish itself and spread within the host before the immune system responds and symptoms become apparent.

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  • 10. 

    Monitors surveillance programs for disease control

    Correct Answer
    Explanation
    This job involves monitoring surveillance programs that are specifically focused on disease control. The person in this role would be responsible for overseeing the collection and analysis of data related to the spread and control of diseases. They would likely work closely with public health officials and other stakeholders to identify trends, track outbreaks, and implement appropriate control measures. This job plays a crucial role in preventing and managing the spread of diseases within a population.

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  • 11. 

    A disease that is present in unusually high numbers throughout the world is called

    • Endemic

    • Epidemic

    • Sporadic

    • Pandemic

    Correct Answer
    A. Pandemic
    Explanation
    A disease that is present in unusually high numbers throughout the world is called a pandemic. A pandemic refers to a global outbreak of a disease that affects a large number of people across different countries or continents. It is characterized by widespread transmission and high morbidity and mortality rates. Unlike an epidemic, which is limited to a specific region or population, a pandemic has a much broader reach and poses a significant threat to public health on a global scale.

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  • 12. 

    A large number of cases of a particular disease  observed in a relatively short period of time in an area that previously experienced only sporadic cases of the disease is known as a(n)

    • Pandemic

    • Outbreak

    • Endemix

    • Zoonosis

    Correct Answer
    A. Outbreak
    Explanation
    An outbreak refers to a sudden increase in the number of cases of a particular disease in a specific area that previously had only sporadic cases. It is characterized by a large number of cases occurring within a relatively short period of time. Unlike a pandemic, which refers to a global spread of a disease, an outbreak is limited to a specific region or community. Endemix and zoonosis are not applicable in this context.

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  • 13. 

    Which organisms are considered major epidemiological problems because of their rapid, unpredictable genetic mutations?   (Hint-what kind of virus is influenza virus?)

    • Gram-positive bacteria

    • RNA viruses

    • Archaea

    • DNA viruses

    Correct Answer
    A. RNA viruses
    Explanation
    RNA viruses are considered major epidemiological problems because of their rapid and unpredictable genetic mutations. The influenza virus, which is an RNA virus, is an example of a virus that undergoes frequent genetic changes, making it difficult to develop effective vaccines and treatments. These mutations allow RNA viruses to quickly adapt to new environments and evade the host's immune system, leading to the emergence of new strains and the potential for widespread outbreaks.

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  • 14. 

    Incidence of illness in a population

    Correct Answer
    morbidity
    Explanation
    Morbidity refers to the incidence or prevalence of illness or disease within a population. It is a measure of the burden of disease and provides information about the overall health status of a population. This can include both acute and chronic illnesses, as well as physical and mental health conditions. Monitoring morbidity rates helps public health officials identify patterns, risk factors, and trends in disease occurrence, which can inform prevention and control strategies. Therefore, morbidity is a suitable answer for the given question about the incidence of illness in a population.

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  • 15. 

    Pathogen ingestedgrowth of an organism in host

    Correct Answer
    infection
    Explanation
    Infection refers to the invasion and multiplication of a pathogen within a host organism. It occurs when a pathogen is ingested or enters the body through other means, leading to the growth and proliferation of the pathogen within the host. This can result in various symptoms and diseases, as the pathogen disrupts normal bodily functions and causes harm to the host. Therefore, the term "infection" accurately describes the process of a pathogen growing within a host organism.

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  • 16. 

    Inanimate objects that can transfer pathogen ot a host population

    Correct Answer
  • 17. 

    Degree of pathogenicitydependent on infectious dose, different strains, form of toxin, etc

    Correct Answer
  • 18. 

    Which of the following is not a vector important in disease transmission? 

    • Fomites

    • Insects

    • Ticks

    • Rodents

    Correct Answer
    A. Fomites
    Explanation
    Fomites are objects or surfaces that can become contaminated with infectious agents and transmit diseases. Unlike vectors such as insects, ticks, and rodents, fomites do not play a direct role in disease transmission. Instead, they act as passive carriers, allowing the transfer of pathogens from one person or environment to another. Vectors, on the other hand, actively transmit diseases by carrying and transmitting infectious agents, making them more important in disease transmission compared to fomites.

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  • 19. 

    Which is a body site preferentially infected by nosocomial pathogens?

    • Gastrointestinal tract

    • Respiratory tract

    • Cerebrospinal fluid

    • Liver

    Correct Answer
    A. Respiratory tract
    Explanation
    Nosocomial pathogens are microorganisms that are acquired in a healthcare setting. The respiratory tract is a common site for nosocomial infections due to the close proximity of patients and healthcare workers, as well as the potential for airborne transmission. This can include infections such as pneumonia, bronchitis, and tuberculosis. The gastrointestinal tract and liver can also be sites of nosocomial infections, but the respiratory tract is preferentially infected due to the ease of transmission through respiratory droplets.

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  • 20. 

    An inanimate object that transmits infectious agents between hosts is most appropriately called a

    • Fomite

    • Carrier

    • Vector

    • Reservoir

    Correct Answer
    A. Fomite
    Explanation
    A fomite is an inanimate object that can transmit infectious agents between hosts. It can include items such as doorknobs, clothing, or utensils that can harbor and transfer pathogens. Unlike carriers, which are living organisms that can transmit diseases, fomites do not have the ability to reproduce or sustain the infectious agent. Vectors are living organisms, such as mosquitoes or ticks, that can transmit diseases. Reservoirs are sites where infectious agents can persist and potentially infect new hosts. Therefore, the most appropriate term for an inanimate object that transmits infectious agents between hosts is fomite.

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  • 21. 

    Where is Bacillus anthracis typically found? (any Bacillus for that matter)

    • In cattle reservoirs

    • In the soil

    • In rodent reservoirs

    • In human reservoirs

    Correct Answer
    A. In the soil
    Explanation
    Bacillus anthracis, along with other Bacillus species, is typically found in the soil. This bacterium is known to form spores that can survive in the environment for long periods of time. The soil serves as a natural reservoir for Bacillus anthracis, providing a suitable environment for its survival and growth. It is important to note that while Bacillus anthracis can also be found in other reservoirs such as cattle and rodents, the most common and prevalent location for its presence is in the soil.

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  • 22. 

    The most common vectorborne disease in the United States is

    • SARS

    • Plague

    • Lyme disease

    • Malaria

    Correct Answer
    A. Lyme disease
    Explanation
    Lyme disease is the most common vectorborne disease in the United States. It is caused by the bacterium Borrelia burgdorferi and is transmitted to humans through the bite of infected black-legged ticks. The disease can cause a range of symptoms, including fever, fatigue, headache, muscle and joint aches, and swollen lymph nodes. If left untreated, it can lead to more serious complications, affecting the joints, heart, and nervous system. Lyme disease is particularly prevalent in the northeastern and upper Midwestern regions of the United States, where the tick population is high.

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  • 23. 

    Ability of an organism to cause a disease

    Correct Answer
    pathogenicity
    Explanation
    Pathogenicity refers to the ability of an organism to cause a disease. It is a measure of how likely an organism is to cause harm or illness in a host. This can be determined by various factors such as the organism's ability to invade and multiply within the host, produce toxins, and evade the host's immune system. Pathogenicity is an important characteristic of many disease-causing organisms and understanding it can help in developing strategies to prevent and treat infections.

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  • 24. 

    The most common cause of urinary tract infections in hospitals is

    • Escherichia coli.

    • Staphylococcus aureus.

    • Pseudomonas aeruginosa.

    • Candida albicans.

    Correct Answer
    A. Escherichia coli.
    Explanation
    Escherichia coli is the most common cause of urinary tract infections in hospitals because it is a type of bacteria that is commonly found in the intestines and feces. It can easily spread to the urinary tract through improper hygiene practices or through the use of catheters or other medical devices. E. coli is also known for its ability to adhere to the urinary tract lining and multiply, leading to infection.

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  • 25. 

    The number of new and existing disease cases reported in a population in a given time period

    Correct Answer
    prevalence
    Explanation
    Prevalence refers to the number of new and existing disease cases reported in a population within a specific time frame. It represents the overall burden of a disease within a population and is often expressed as a percentage. Prevalence takes into account both new cases (incidence) and existing cases, providing a comprehensive understanding of the disease's impact on the population.

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  • 26. 

    A source of viable infectious agent from which individuals may be infected

    Correct Answer
    reservoir
    Explanation
    A reservoir refers to a source of viable infectious agents that can potentially infect individuals. It can be a living organism, such as humans or animals, or a non-living object or environment, such as contaminated water or soil. Reservoirs play a crucial role in the transmission and persistence of infectious diseases. They act as a continuous source of the infectious agent, allowing it to spread to susceptible individuals and maintain the infection within a population. Understanding and identifying reservoirs is important in controlling and preventing the spread of infectious diseases.

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  • 27. 

    Amount required to cause infection in host

    Correct Answer
    infectious dose
    Explanation
    The term "infectious dose" refers to the amount of a pathogen that is required to cause an infection in a host. It represents the minimum quantity of the pathogen that needs to enter the body in order for the infection to occur. This can vary depending on the specific pathogen and the individual's immune system. The infectious dose is an important concept in understanding the transmission and spread of infectious diseases.

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  • 28. 

    A disease that is present in unusually high numbers throughout the world is called

    • Nosocomial infections

    • Zoonoses

    • Vector infections

    • Muduranes

    Correct Answer
    A. Zoonoses
    Explanation
    Zoonoses refers to diseases that can be transmitted from animals to humans. These diseases are present in unusually high numbers throughout the world because they can be transmitted through direct contact, consumption of contaminated food or water, or through vectors like mosquitoes or ticks. Zoonoses are a major concern for global public health as they can cause outbreaks and have the potential to become pandemics if not properly controlled.

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  • 29. 

    Which of the following is one of the most important and widespread hospital pathogens, is the most common cause of pneumonia, is the third most common cause of blood infections, and is often resistant to common antibiotics?

    • Pseudomonas aeruginosa

    • Escherichia coli

    • Klebsiella pneumoniae

    • Staphylococcus aureus

    Correct Answer
    A. Staphylococcus aureus
    Explanation
    Staphylococcus aureus is one of the most important and widespread hospital pathogens because it is responsible for causing various infections, including pneumonia and blood infections. It is often resistant to common antibiotics, making it difficult to treat.

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  • 30. 

    Nosocomial infections occur in about __________ of all patients admitted to the hospital.

    • 2%

    • 5%

    • 10%

    • 15%

    Correct Answer
    A. 5%
    Explanation
    Approximately 5% of all patients admitted to the hospital experience nosocomial infections. This means that out of every 100 patients, around 5 will acquire an infection during their hospital stay. Nosocomial infections are infections that are acquired in a healthcare setting, such as hospitals, and are not present or incubating at the time of admission. These infections can be caused by various factors, including the presence of other infected patients, inadequate hand hygiene, contaminated equipment, or invasive procedures. It is important for healthcare facilities to implement strict infection control measures to reduce the incidence of nosocomial infections and protect patient safety.

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  • 31. 

    Which of the following is a good example of an opportunistic pathogen found in a hospital environment?

    • Pseudomonas aeruginosa

    • Escherichia coli

    • Klebsiella pneumoniae

    • Staphylococcus aureus

    Correct Answer
    A. Pseudomonas aeruginosa
    Explanation
    Pseudomonas aeruginosa is a good example of an opportunistic pathogen found in a hospital environment. It is a common cause of hospital-acquired infections, particularly in patients with weakened immune systems or those who have undergone invasive medical procedures. Pseudomonas aeruginosa is known for its ability to form biofilms, making it resistant to antibiotics and difficult to eradicate. It can cause a wide range of infections, including pneumonia, urinary tract infections, and bloodstream infections.

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  • 32. 

    Toxin ingested

    Correct Answer
  • 33. 

    Agent responsible for the occurence of a microbial disease

    Correct Answer
    etiologic agent
    Explanation
    The term "etiologic agent" refers to the agent or factor that is responsible for the occurrence of a microbial disease. It is the specific microorganism or pathogen that causes the disease in question. This can include bacteria, viruses, fungi, or parasites. Identifying the etiologic agent is crucial in understanding the nature of the disease and developing appropriate treatment and prevention strategies.

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  • 34. 

    Hospital-acquiredPatients exposed to many infectious agents with complicated antibiotic resistanceMany common microorganisms have the potential to be pathogens and cause these

    Correct Answer
  • 35. 

    Value of disease control...

    Correct Answer

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  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 01, 2009
    Quiz Created by
    Kastepp
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