Stomach acid has a pH of approximately 1 which is very strong. This kills most microbes that reach the stomach. This is the ___ line of defense

Q: Our immune system efficiently kills all categories of microbes that attempt to colonize our bodies.…

A: Human body is protected with a very efficient immune system. It act as soldiers in protecting the…

Q: most likely due to adaptation to different disease environments. This type of long- term adaptation…

A: Sickle cell disease : When someone inherits two mutant copies of the hemoglobin gene , the abnormal…

Q: it is said that if you know your enemies and know yourself, you will not be imperiled in a hundred…

A: Foodborne illness and allergies are characterized by showing symptoms of immune based pathology…

Q: What feature of the skin creates a physical barrier to microbial invasion? Group of answer choices…

A: Introduction:- The covering, or integument, of the body's surface that simultaneously offers…

Q: Which of the following is NOT true of bacterial exotoxins?   Important in the pathogenesis of many…

A: Toxins are any harmful molecules that can disrupt normal body functions. Exotoxins are those toxins…

Q: people still get sick, not Hospitals have time to more deaths, overall all at once Orange, spiked…

A: A pandemic is defined as “an epidemic occurring worldwide, or over a really wide area, crossing…

Q: The single most important measure to prevent the spread of disease is handwashing handwashing…

A: Diseases are abnormal conditions in the health of an individual. It can affect the structure or…

Q: Immune cells such as dendritic cells can receive signals from the microbiome and: if the microbiome…

A: A defense system in the body of an individual which constitutes a complex network of cells and…

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 helps the body block microbial entry? Skin Urine Gastric juice Normal…

A: Introduction Microbes are microscopic living organisms that can be found all over the world but are…

Q: Annual flu shots: deliver antibody from the survivors of a virus. boost the number of phagocytes…

A: FLU-   It is an infection caused by a virus in which the respiratory organs are affected like the…

Q: Tissue fluid returns to the central circulation through a series of tubules whose nodes contain…

A: Blood is a liquid substance which flows in the blood vessels and carry nutrients and oxygen to the…

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: Bacterial capsules work by _____. View Available Hint(s) for Part E       protecting the bacterium…

A: So correct option will be protecting the bacterium from engulfment Capsules made of substances…

Q: As the immune system increases fluids in a tissue resultng in swelling and increased mucus…

A: The immune system protects our bodies from intruders including viruses, bacteria, and foreign…

Q: Macrophages can Aggressively eat parasites Secrete toxic peptides and enzymes Produce a powerful…

A: All of the above.

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: What is an antibiotic?     it is any type of chemical that is toxic     it is a general…

A: Technology is the practical application of scientific knowledge that aims to benefit human life.…

Q: Which of the following is an endogenous pryrogen?(a) Bacterial exotoxin(b) Bacterial endotoxin(c)…

A: An agent which causes rise in temperature of the body upon entering is called a pyrogen. Thus…

Q: Why are there people that don't practice good hygiene even when knowing good hygiene  prevents the…

A: Good hygiene is very important to prevent infections and to maintain good health. But  so many…

Q: they increase the concentration of net they decrease the concentration of lymphocytes in cireulation…

A: Corticosteroids cause neutrophilia , manifested by an increase in the neutrophil count by 2000 to…

Q: A bacterium which normally lives in the human body without causing any harm, but when circumstances…

A: Many type of bacteria are present throughout the world some bacteria are beneficial to human and…

Q: Which is NOT a role of sebum in the innate immune system. Group of answer choices dehydrates…

A: Sebaceous glands are present on the skin. The glands are mostly present on the chin, forehead and…

Q: Hyaluronidase and collagenase both allow bacteria to _____. View Available Hint(s) for Part A…

A: Answer

Q: During a major infection, you often get a high fever because _____.

A: Major infection, you often get a high fever because

Q: Which of the following is true of selective toxicity? O 1) It refers to the process of determining…

A: Selective toxicity means the therapeutic agent kills or inhibits the microbial pathogen without or…

Q: Which of the following is true about exotoxins? they are part of the cell wall they cannot be…

A: Introduction Exotoxins are the toxins (basic proteins) that are secreted by bacteria to invade the…

Q: When heat treatment is used as to control microbial growth, what is the immediate impact of this…

A: Heat treatment to a microbe changes its macromolecules and as temperature increases macromolecules…

Q: Which of the following types of antimicrobial drugs make microbes more susceptible to osmotic…

A: Prokaryotes are single-celled microscopic organisms belonging to domain bacteria. A prokaryotic cell…

Q: Which of the following is a parasitic blood disease that avoids the immune system by occasionally…

A: Answer Trypanosomes

Q: Why did liposomes not work against diseases as hoped when they were first tried?   options:   They…

A: Immune system phagocytes removed them from the bloodstream before they could exert an effect.

Q: Which of the following bacterial A-B exotoxins is a protease that cleaves important animal cellular…

A: A-B exotoxins are a group of toxins secreted by bacteria. An exotoxin can cause damage to the host…

Q: Increase in body temperature should increase the rate of metabolism of microbes instead of killing…

A: An increase in body temperature increases the rate of metabolism of microbes. Whenever an individual…

Q: The simplest correct definition of disease is:     cellular dysfunction     organ failure…

A: A disease condition can be interpreted based on the characteristics of the disease. So understanding…

Q: Example is pertussis toxin Neurotoxins Enterotoxins Cytotoxins Damage a variety of cell types…

A: . Neurotoxins is the toxin which affects mainly The Nervous System and brain especially  the way…

Q: you have learned from the CDC website that there is currently cholera in the country to which you…

A: Cholera :-  It is a  bacterial disease causing severe diarrhoea and dehydration, usually spread by…

Q: Suppose that an individual's arm is cut, and because of this injury, bacteria are able to gain entry…

A: There are various types of barriers that prevent infection or prevent microbes from entering the…

Q: 36

A: cell-mediated immunity rely on antigen-presenting cells that contain membrane-bound MHC class I…

Q: Which are both mechanical barriers to the transmission of pathogens? skin and stomach acid O mucus…

A: Pathogens are the organisms that are capable of disrupting the normal physiological balance of an…

Q: Which of the following chemicals is released by the body in response to exposure to allergens such…

A: Allergy is defined as the condition that occurs when the immune system of the human body reacts to…

Q: A broth containing 1 million bacterial cells is treated with an antimicrobial agent that kills 90%…

A: Option c is correct.. 7 minutes. If A broth containing 1 million bacterial cells is treated with an…

Q: Humans can get anthrax disease by. . Contact with animals contamination fecal-oral route

A: Anthrax: Bacillus anthracis, a gram-positive rod-shaped bacteria, causes anthrax, a deadly…

Q: Acyclovir, Streptomycin, polymyxin, sulfonamide, or penicillin (choose one to fill in the blank…

A: Antibiotic drugs are widely utilised in the treatment and prevention of bacterial infections since…

Q: Which is the most effective way to try to prevent various disease processes? a. Proper diet and…

A: Disease is an impairing phenomena in the history of human evolution. Various corrective actions help…

Q: Which of the following healthful behaviors would be most helpful in preventing infection by…

A: Introduction Infection-  The invasion and growth of germs in the body. The germs or pathogens may be…

Q: Which of the following statements about E. coli is true? Some infections can be fatal to humans. It…

A: Correct option A i.e some infection can be fatal to humans.

Air Pollution

The excess accumulation of pollutants or undesirable alterations in the environment and its resources such as air, water, and land can be referred to as pollution. Pollution affects the components of the environment. Pollution is considered a global issue as it is showing harmful effects worldwide. Metropolitan cities are more impacted by pollution than countryside or villages.