True/False: Mucosal surfaces and external epithelia are major routes of pathogenic infection. Mucosal surfaces are found in tissues such as the gastrointestinal tract, the reproductive tract and the mouth and respiratory tract. While the mouth and respiratory tract are routes of virus but not bacterial infections, the gastrointestinal tract is the route for bacterial but not virus infections.

Q: "Although the reported number of cases varies, arboviruses cause substantial morbidity in the United…

A: Viruses are obligate parasites.

Q: Discuss how a pathogen causes an infection.

A: In this question, we have to answer, how pathogen cause disease.

Q: Watch Video: https://www.youtube.com/watch?v=DueeDf9Uprg In addition to food, Norovirus is spread…

A: Norovirus : It is also known as winter bug and is the main causative agent of gastroenteritis .…

Q: What role do virulence factors play in the four phases of infection? Describe the infection stage…

A: A disease is an abnormal state of an organism that disrupts biological processes. It might be acute,…

Q: Match the following descriptions to the stages of disease development.  This period depends on the…

A: The entry of pathogen like bacteria, virus or protozoan to the human body is followed by the onset…

Q: Identify a pathogen that has a significant impact on human health. What are its health effects?

A: Shigella- Various species of Shigella causes Shigellosis disease. The infected people with Shigella…

Q: Describe the course of infection from contact with the pathogen to its exit from the host.

A: The colonization of tissues by pathogenic microorganisms or viruses is known as infection. This…

Q: The most common preferred portal(s) of entry for human pathogens is (are): 1. Mucous membranes…

A: The infectious agents enters the body through the various of the portals including the skin ,…

Q: The skin and bodily secretions provide the first line of defense against infection. One response in…

A: Skin is the largest organ of the integumentary system that covers the body and provides three main…

Q: Haemophilus influenzae is currently recognized as an important cause of Multiple Choice meningitis.…

A: H. influenzae is a facultative anaerobic bacteria that can cause many infections from pneumonia to…

Q: There have been many cases of human infection with Salmonella caused by contact ingestion) with raw…

A: 1) The correct answer is "A food animal - infection or colonization during its lifetime" Salmonella…

Q: a pathogen forms a compatible interaction with the host? true or False

A: Introduction  In the broadest definition, a pathogen is any organism or agent that can cause…

Q: Mechanism of delta endotoxin action: proteolysis, binding of cry toxins to specific receptors in the…

A: Introduction Endotoxin is a toxic component found in the outer membrane of some gram-negative…

Q: Name one characteristic that makes the stomach a less suitable environment for pathogens

A: Stomach is the largest part of elementary canal it has sac like appearance. It is the part of…

Q: Determine the chain of infection for the following scenarios and describe what you would do to break…

A: Determine the chain of infection for the following scenarios and describe what you would do to break…

Q: that is a true pathogen. Which of the following specifically occur during the establishment and…

A: Compylobacter  A gram negative bacteria that causes diarrhoea.

Q: Explain what is happening during each stage of infection. Compare and contrast: systemic, local, and…

A: The progression of an infection or disease occurs in four stages and there are several patterns in…

Q: What are antiviral and antitumor agents? Why would it be significant if fluid extracted from…

A: * Antiviral agents are the drugs that used to treat or control viral infections. These agents will…

Q: Although the reported number of cases varies, arboviruses cause substantial morbidity in the United…

A: Viruses are parasites that lack metabolic machinery.

Q: Which of the following is NOT true about poliomyelitis? None of the other four answers (All are true…

A: Poliomyelitis or polio is a type of disability and life-threatening disease caused by the…

Q: Which of the following is NOT true about the transmission of diseases of the digestive system? None…

A: Digestive system diseases are medical conditions that affect the digestive organs, such as the…

Q: Please discuss pathogenicity and the mechanisms by which microorganisms can attack the human body.

A: Any condition in which the body's normal structure or functioning is damaged or hindered is referred…

Q: Use correct terminology to explain the manifestations of infectionsand inflammation.

A: Immunology is a section of biology that includes the study of molecules, cells, and organs that…

Q: he vertical transmission of certain communicable diseases from mother-to-child during pregnancy and…

A: A disorder refers to the impaired structure of function in an organism like a human, plant, or…

Q: In regard to hepatitis A, which of the following is inaccurate: The disease is more common in Africa…

A: Hepatitis A is a viral liver disease that can cause mild to severe illness. It's caused by the…