When a housefly, covered with microbes on its surface and contaminates an open wound by walking on or in it, the fly is classified as ___.     a carrier     a fomite     a mechanical vector     a biological vector

Q: The world is facing a Corona Virus (COVID-19) Pandemic and as a potential scientist and a…

A: The Alcohol has both the anti-microbial as well as anti-viral properties and hence used as the…

Q: Blood agar is a differential medium that will show us a clear zone around a colony of normal flora…

A: A differential medium is made up of chemicals or composition that would help us to determine…

Q: A(n) _______ organism is part of the normal microbial flora of the host    A. Acquired  B.…

A: The microorganisms are responsible for development of particular disease. But not all microorganisms…

Q: A roach crawls across a dirty floor and onto uncovered food.  An unsuspecting person eats the food…

A: Transmission of various microorganism by vectors is very common as vectors act as a vehicle for the…

Q: All of the following are true of biological vectors EXCEPT:

A: Option C is correct :none of the above.

Q: John Snow studied cholera in London in the 1800s. He determine that the source of this epidemic was…

A:

Q: In a viable plate count, each _________ represents a  _________fromthe sample population.a. cell,…

A: In microbiology, there are several methods to enumerate bacterial count in a particular sample. The…

Q: Which of the following words apply to the overlay that maintains proximity between virus and…

A: Viruses are obligate parasites and require a host to survive.

Q: Why must the top agar be supplemented with maltose? A) Maltose allows for binding of the phage to…

A: Plate cultures of bacteriophage are prepared by combining phage with susceptible host cells in top…

Q: Airborne Precautions are needed if  there are fomites on environment surfaces/reusable medical…

A: C. Droplets precautions are also needed

Q: Which of the following would be the easiest to eradicate?a) A pathogen that is common in wild…

A: Answer is b.) A disesase that occurs exclusively in humans, always resulting in obvious symptoms.

Q: Erythromycin, an antibiotic discovered in 1952 from soil bacterium Saccharopolyspora erythraea, was…

A: Yes, Philippines scientist namely Abelardo Aguilar discovered erythromycin from soil bacteria -…

Q: Arthropods transmit disease by injecting microbes when they bite a victim. This insect is classified…

A: Various insects belonging to phylum arthropoda are carriers of certain diseases like malaria,…

Q: The bacterium Staphylococcus aureus is commonly found in the nasal cavity of healthy people. If…

A: The answer is both resident microbiota and opportunistic pathogen.

Q: Erythromycin, an antibiotic discovered in 1952 from soil bacterium Saccharopolyspora erythraea, was…

A: Microbiology is the branch of biology that deals with study of organisms that are too small to be…

Q: Why is it not possible to use Koch’s postulates to show that Treponema pallidum causes syphilis?

A: Syphilis care categorized as a sexually transmitted disease, and causes infections that affect the…

Q: Malaria is caused by a microbe that completes part of its sexual life cycle in a mosquito and part…

A: 16 - False statement is B = The mosquito would be considered a reservoir. 17=False staement is C…

Q: In trypan blue exclusion method the cells that take up the dye are A) Living B) Non Living

A: Hi dear, here’s your answer. The dye exclusion check is employed to work out the quantity of viable…

Q: Which of the following is not considered an insect vector? a. fl ea c. tick b. mosquito d. tsetse fl…

A: Introduction: A disease vector is any specialist which conveys and sends an irresistible microbe…

Q: Virulence factors allow microbes to be pathogens. This means that a bacterium with more virulence…

A: Option c  Can more easily infect hosts and cause disease. Virulence is defined as the degree of…

Q: Why are fungal and protozoan diseases more important in the summer? (3 good reasons)

A: Pathogens are the disease causing agents. These include bacteria, virus, protozoa Or a fungus. They…

Q: Which of the following is an example of a noncommunicable infectious disease?   infection with a…

A: Introduction :- A disease that cannot be spread directly from one person to another is referred to…

Q: What is the purpose of examining a specimen slide containing a stool sample in a clinical…

A: Stool is more than just a waste product. In primary care, some stool tests can be used to…

Q: List three potential fomites that you contacted today.

A: Fomites are non-living objects contaminated with a pathogen. When fomites come in contact with a…

Q: Bacteria produce two kinds of toxins: endotoxins and exotoxins.Whereas endotoxins are _____,…

A: Endotoxins and exotoxins

Q: An infectious disease process starts when a pathogen is transmitted from a "source" to a susceptible…

A: The interaction between any host and pathogen is commonly known as disease. infectious disease is…

Q: hen we try to study the bacterial flora of the body, soil, water, or just about any environment, e…

A: Introduction : In microbiology, a pure culture is a culture grown in the lab that only contains one…

Q: You are an analyst in the Florida Department of Health and you are tasked with using the SEIR model…

A: A model called SEIR is used to show how the virus spreads and how many people become infected and…

Q: The epidemiological or disease triangle is a model of disease causation that proposes three factors…

A: Disease biology is a vast area that deals with the emergence and spread of an infectious disease.…

Q: A colony of bacteria or fungi A. are one single individual B. Cannot survive on agar C. Is formed…

A: Bacteria are microscopic prokaryotic organism. Fungi on the other hand is eukaryotic organism.…

Q: A bacterium has received new DNA that allows it to produce a toxin. Which of the following…

A:

Q: Emerging infectious diseases are more likely to arise in nature versus being engineered in the…

A: Emerging infectious diseases or EIDs are the infectious diseases that have appeared recently in a…

Q: The presence of endotoxins in a sterile fluid indicates: the presence of gram-positive cell walls…

A: Endotoxins, additionally called LPS, are the part of the external membrane of gram-negative bacteria…

Q: Aside from the school laboratory facilities, How can we apply Aseptic Techniques in the following…

A: Within the twentieth century, the world suffered pandemics. The pandemics, as horrifying and lethal…

Q: The organism that causes bubonic plague can only be transmitted by the bite of an infected flea, the…

A: Bubonic plague is a contamination infection spread, for the most part, to people by tainted insects…

Q: An outbreak of a vector borne disease along a river system in centrla Uganda has been identified,…

A: There is an outbreak of a vector borne disease in Uganda along a river system. This resulted in a…

Q: The route of infection of sexually transmitted diseases is ___.     mechanical vector     direct…

A: Direct contact

Q: Under which condition(s) can a disease become an epidemic? Choose all that apply. Ro = = 0.8 Ro = 1…

A: R0, which is known as “R naught,” is a mathematical term that indicates how contagious is an…

Q: McLaughlin and Petersen sboratory Exercises in Microbiolog Review of the Vectors This vector is: It…

A: Fig A This vector is Ixodidea It transmits pathogenic bacteria that causes tick paralysis Fig B This…

Q: A(n) ____ is a substance that can kill or inhibit the growth of infectious microorganisms antibiotic…

A: An antimicrobial agent are those substace which kills microorganisms or inhibit the growth.

Q: Which of the following is not a vector? Fomite Human Fly Flea Fomite AND human

A: A vector is an organism that can carry and spread a disease causing pathogen. In biotechnology, four…

Q: Which of the following is the most effective way to reduce the number of nosocomial infections? View…

A: An infection is the invasion of body tissues by disease-causing agents, their multiplication. The…

Q: Which of the following is NOT a feature of a pathogenicity island? O They cannot be acquired through…

A: Pathogens are the organisms which upon entering in to the  host causes infectious diseases.

Q: Lived Experiences of working nursing students during the Covid – 19 pandemic. Purpose of the study

A: As nursing students, we can come across many experiences in which following are some of them It was…

Q: the lived experience of working nursing students during the covid-19 pandemic

A: Ans. The covid 19  appeared in Wuhan in December 2019 and spread all over the world in a short time.

Q: When a housefly carries microbes on its surface and contaminates food or an open wound with those…

A: Microbes are the pathogen that cause disease in the human body.

Q: Which of the following is a vector? fomite human tabletop flea b & d

A: The Human and Flea are two Vectors. Flea are vector for viral, bacterial ricketts disease in humans…

Q: _________________ is one of the precautionary methods that help in destroying any infections and…

A: The infection spreads from microorganisms known as infectious agents. These microorganisms require a…

Q: Microbes that have recently become pathogenic cause______________diseases.   A. acute   B.…

A: A microorganism, sometimes known as a microbe, is a tiny organism that can live as an individual…

Q: I am an agent that can cause human disease but under normal circumstances am unlikely to be a…

A: In the laboratory, risk groups are categories that indicate the relative hazard caused by infectious…

Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.