An organism must produce coagulase in order to cause disease. True or False? Why or Why not? False. An organism could possess other virulence factors that contribute to its ability to cause disease. False. Presence or absence of coagulase does not play a role in disease production. True. However all organisms must possess coagulase and DNase in order to cause disease. True. All organisms that cause disease must produce coagulase in order to invade the human body.

Q: Differences between Gram + and – and examples. Describe at least two diseases for each, signs,…

A: Bacterias are free-living mostly unicellular organisms, one of the first to appear on the earth,…

Q: When a pathogen (or its toxins) enters the blood, the infection can spread throughout the body. Such…

A:

Q: The following microbes are NOT made of cells, O Escherichia coli Candida albicans Taenia solium…

A: The microorganisms that are not visible to the naked eyes and are present freely in the water, air…

Q: Which of the following would represent an "opportunity" for an opportunistic pathogen?…

A: The term "opportunistic pathogen" refers to an infectious pathogen that is regularly found in the…

Q: Which of the following is not an example of the physical, mechanical, and chemical barriers at body…

A: Innate immunity is present since birth. Innate immunity is non-specific. Innate immunity lacks…

Q: Cholera is an example of

A: 1. False cholera is a water borne disease. 2. True Fomite refers to any object or material that can…

Q: why global events, such as the World Cup, with hundreds of thousands or even millions of attendees…

A: A mass gathering is a planned event that gathers large numbers of attendees and it might increases…

Q: Feces, gastric secretions, and urine are not considered infectious unless  there is contact with a…

A: C. They are visibly contaminated with blood

Q: Coley’s Toxin is really: a mix of harmless viruses. a mix of pathogenic bacteria. a…

A: Coley`s toxins is a mixture consisting of killed bacteria of species Sterptococcus pyogens   ,…

Q: True or False? A species with the following characteristics is Staphylococcus aureus.   Some of…

A: Staphylococcus aureus is a gram positive bacterium that is commonly found on human and animal skin…

Q: Which of the following statements correctly compares/contrasts the ways in which antibiotics and…

A: The ways in which antibiotics and antibodies interact with the cells of pathogens that they can…

Q: Which of the following is NOT true about human plague (Yersinia pestis infection)? Infected fleas'…

A: Human plague is an infectious disease caused by the plague-causing bacterium named as Yersinia…

Q: Which of the following is mismatched? Gastroenteritis - inflammation of the mucosa of the stomach…

A: Introduction  Infections are caused by the invasion and multiplication of microorganisms such as…

Q: 1918, "Spanish Flu" was a killer that may have wiped out up to 50 million people, including those in…

A: Around 33 percent of the world's population contracted the Spanish flu pandemic in 1918. There were…

Q: Which different type of receptor is activated by different pieces of the microbiome to modulate gut…

A: Microbiota and the immune system shares a symbiotic relationship. The gut is a home to a huge…

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: INFECTION Anorexia Malabsorption Intestinal damage Diarrhoea Increased metabolic rate Redistribution…

A: Upon reviewing sections 2.1 and 2.2 of Learning Unit 2 and analyzing Figure 2.1, it is evident that…

Q: Bacteria can avoid being swallowed by phagocytic white blood cells producing which virulence factor?…

A: When bacteria enter inside the body then the antigens present on the bacteria can be recognized by…

Q: Compare and contrast major characteristics of exotoxins and endotoxins. Characteristic Exotoxins…

A: Microbial toxins are noxious substances generated by microorganisms such as fungi and bacteria in…

Q: Select all that apply. Which of the following is a potential cause of chronic inflammation?…

A: A prolonged and dysregulated immune response that lasts for a long time-often months or even years…

Q: Since humans are obligate/strict aerobes, an increase in blood concentrations of which molecule…

A: Septic shock is a life-threatening condition caused by a severe localised or system-wide infection…

Q: A pathogen that has an extremely low LD50 would be  Group of answer choices very contagious. very…

A: LD50 can be defined as the number of microbes required to kill 50% of the infected hosts.

Q: The following describes which helminthic parasite? Humans ingest undercooked beef or pork containing…

A: Yersinia pestis is a type of bacteria that causes the disease known as plague. Plague is a serious…

Q: Which of the following would most likely increase a person's risk of invasion by pathogenic…

A: Pathogenic microorganisms are single cell microorganisms observable only under the microscope.…

Q: Maximum Number Number of Cases in a Year of Cases in 1999 in U.S. Percent Disease Change Measles…

A: The disease that has shown the greatest change in the occurence since the year of its maximum number…

Q: Defining virulence factors and identify those of bacteria, viruses, and eukaryotic pathogens.

A: Virulence factors are molecules produced by pathogens that contribute to their ability to cause…

Q: Giardiasis is an intestinal parasite that can transmitted through person-to-person contact and…

A: Giardia lamblia is an intestinal parasite in humans which causes Giardiasis.  Giardiasis is a…

Q: When antibody marks an invader so the macrophages can find it more easily to efficiently destroy the…

A: The ability of the body to fight against pathogens is called immunity.. T lymphocytes provide…

Q: Which of the following disease is not a chronic disease? Diabetes . High blood pressure . Diarrhea.…

A: Chronic disease :it can be a diseased condition that usually lasts for 3 months or persist and may…

Q: Compare and contrast endotoxins and exotoxins and give an example of each as part of your answer

A: INTRODUCTION Endotoxins Produced by gram negative bacteria. Exotoxins Produced by both gram positive…

Q: Which of the following is NOT true about human plague (Yersinia pestis infection)? Painful swollen…

A: The bacterium Yersinia pestis is the source of the contagious illness known as human plague. It is…

Q: An important feature of many wounds that may lead to more serious problems is that they are nutrient…

A: Wounds  Wounds is the injuries that torn, cut, scratch skin of some other tissues of the body.

Q: "All of the following are features of l-cell disease except- -coarse facial features -corneal…

A: I-cell disease is a lysosomal protein targeting disorder which occur due to deficiency of N-Acetyl…

Q: neutrophils

A: As per the bartleby guidelines, we have to answer the first 3 options. So I am going check and give…

Q: How can you avoid having infections?

A:

Q: The nine-banded armadillo, Dasypus novemcinctus, is the only mammal other than humans known to…

A: A hypothesis is a statement based on the general observation which needs to be backed by…

Q: A disease is always brought on by an opportunistic infection..

A: Microbes are ubiquitous in the human body. These microorganisms, on the other hand, only become a…

Q: The MALT system consists of     lymph nodes     tonsils     Peyer's patches of the intestinal…

A: The lymphoid organs are categorized into two types such as primary lymphoid organ and secondary…

Q: True or false?  Efforts to prevent a disease are succeeding; thus, the prevalence of the disease…

A: In this question asked about prevalence and incidence.  Incidence is new cases of a disease.…

Q: uperbugs are a relative new concern of physicians who treat infectious disease. Research and…

A: superbugs means some highly resistant and infectious strains of bacteria, viruses, parasites and…

Q: A few days ago, a recall notice was issued for frozen strawberries sold in the Portland area because…

A: Hepatitis A is transmitted by the fecal–oral route, most commonly via contaminated food or water. It…

Q: True/False: Mucosal surfaces and external epithelia are major routes of pathogenic infection.…

A: Microorganisms are ubiquitous, that is they are present everywhere. The organisms that cause…

Q: Stomach acid has a pH of approximately 1 which is very strong. This kills most microbes that reach…

A: Answer : Chemical is the right option.this is the chemical line of defence.   Mechanical digestion…

Q: Which of the following are true of the microbiota-gut-brain axis (MGBA)? Select all correct…

A: As in the second question, no video is there, it is not possible to answer it. Kindly repost it. So…

Q: #6 ONLY

A: As discussed in the passage above, the Tetanus vaccine includes the DTaP vaccine, DT vaccine, Tdap…

Q: Psoriasis: the prevalence of the disease in the population

A: Skin lesion Altered characteristics of skin with abnormal growth or change is called skin lesion.…

Q: All of the following might lead to a disease caused by an opportunistic pathogen except __________.…

A: INTRODUCTION Opportunistic infection This is the type of infection happened in the people with…