How can particles so small, simple, and seemingly insignificant be capable of causing disease and death?

Q: How can you protect yourself from diseases that can be acquired from the environment?

A: 1)Good hygiene: the most important way to prevent infectionsThe first line of defense is the control…

Q: Why doesn't a long lasting vaccine against common cold exist yet?

A: Common cold is most common viral infection that affect the upper respiratory tract of humans.

Q: What are the steps in a lysogenic infection?

A: The lysogenic cycle is the process through which a virus replicated its DNA by using a host cell.…

Q: What is the difference between an emerging and a reemerginginfectious disease?

A: An infectious disease is the one that is caused by pathogenic microbes. These microbes can be…

Q: What is Antibiotics?

A: Antibiotics is a type of antimicrobial substance active against bacteria. These are medicines that…

Q: How can we avoid/prevent the pathogenic effect of some microorganisms?

A: INTRODUCTION During anesthesia, a breathing system could also be used for quite one patient. Any…

Q: Explain three reasons why infection may not occur after microorganisms enter the body? Solve it.

A: Infection is the result of foreign organism in the body. The route of transmission of microorganisms…

Q: What is a Black Plague?

A: Microorganisms such as bacteria and viruses can act as a pathogenic organism and can affect the…

Q: Why are they called Opportunistic Diseases?

A: The immune system in our body is responsible for protecting us from any foreign particles. The…

Q: How are infectious diseases different from other diseases?

A: A disease can be defined as a specific abnormal condition that adversely affects the functions or…

Q: What is an Infection? Give examples

A: In the body invasion of germs and the growth of germs is known as infection. It occurs when a…

Q: What is meant by an opportunistic pathogen?

A: A pathogen is a disease-causing organism. Microbes are found in abundance in the body. These…

Q: Why might a disease be endemic in one region, but not in another?

A: The condition of complete well-being of social, physical, and mental condition is termed as health.…

Q: Describe the four general mechanisms by which microorganisms cause disease.

A: Microorganisms are defined as the small organisms that can not visible with naked eye. microorganism…

Q: What are the Fundamental causes of diseases?

A: Diseases are abnormal conditions that cause deviation from the original structure or normal…

Q: How are acute, chronic, and latent infections different from one another?

A: Acute infection are those infections which occur in a relatively short time (rapid onset) (like in…

Q: How might microbes establish an infection?

A: The unfold and improvement of micro organism in the frame. Infections can starts everywhere within…

Q: What are two reasons microbes will produce toxins?

A: Introduction :- Toxins produced by microorganisms such as bacteria, fungus, protozoa,…

Q: What is a zoonotic disease? A disease reservoir?

A: Disease transmission indicates the mode of how the diseases spread from one another.

Q: What is the prevention of disease?

A: A disease can be communicable or non-communicable in nature. Communicable diseases can be prevented…

Q: What term is used to describe the unique molecules found onthe surface of different pathogens?

A: Step 1 Pathogens are disease-causing organisms or parasites. Pathogens have a specific point of…

Q: what can you say about nature of non-communicable disease based on its cause and effect?

A: Non Communicable disease are diseases which are not transmissible  by person to person contact. Non…

Q: Which of the following is a noncommunicable infectious disease? O a. infection acquired from the…

A: Correct answer is D  Because food poisoning due to a preformed bacterial toxin in food is non…

Q: Which disease is known as 'silent killer'?

A: The cardiovascular system consists of muscular pumping organ called as heart and a closed system of…

Q: Which is a more destructive disease, monocyclic or polycyclic disease?

A: A pathogen is an organism that produces a disease. Pathogenic diseases can be monocyclic or…

Q: What causes the viral plaques that appear on a bacterial lawnto stop growing larger?

A: Viruses are microscopic agents that can replicate only inside the host cells. They can infect all…

Q: Our environment contains masses of microorganisms, many of which reside as commensal organisms on…

A: There are various kinds of interactions between the different organisms in the ecosystem in order to…

Q: Because elemental poisons, such as heavy metals, cannot be furtherdegraded even by microbes, what is…

A: Biological degradation is a process that results in the decay of complex substances into simpler…

Q: IF A PERSON IS INFECTED BY THE SAME PATHOGEN A SECOND TIME , why does the person either not get sick…

A: Immunology is the study of the immune system and its response to infections. The immune system…

Q: What is the difference between an endotoxin and an exotoxin?

A: Nearly wherever we look, both within and outside of living things, there are microbes. Toxins…

Q: What makes corona virus, dengue virus, human immunovirus, Mycobacterium tuberculosis and Salmonella…

A: All the above-mentioned organisms cause diseases in humans. The corona virus is responsible for the…

Q: Which is a method of transmitting pathogens from one host to another by carrying microorganisms…

A: Transmission can occur regardless of the reservoir, allowing an infection to spread. First,…

Q: What are the impacts of disease on the individual, family, economy, society, nation, and the world?

A: Disease an illness of the body in humans, animals or plants. A disease is a particular abnormal…

Q: When can you say that a microbe is pathogenic and what are/have something in them that can give them…

A: Many of the microorganisms are pathogenic, that is they can cause diseases in our body. The common…

Q: What is the differencebetween the concepts ofepidemic disease and endemicdisease?

A: The study of disease patterns in human populations is referred to as epidemiology. In epidemiology,…

Q: Who is most at risk for contracting plague and why?

A: Infection is defined as the state of invasion on the body tissues of an organism, which is caused by…

Q: What are the microbes called which colonize our bodies and actually help us to survive by aiding…

A: Microbes are small sized organisms which cannot be seen by naked eyes. They are only visible through…

Q: Why are pathogenic disease referred to as transmissible disease?

A: The condition of complete well-being of social, physical, and mental condition is termed as health.…

Q: Will disease result from an encounter between a (human) host and a microorganism?

A: Introduction  We are surrounded by various pathogens such as bacteria, viruses, fungus etc. Every…

Q: Is a viral infection treatedwith the same kind of drugthat treats bacterialinfections?

A: The proliferation of harmful viruses inside the body of an organism causes viral infection. These…

Q: Suppose there is an infectious disease at a party. How could doctors tell if the disease was…

A: Infectious diseases are disorders caused by organisms such as bacteria, viruses,  fungi or…

Q: Is COPD an infectious disease, metabolic in nature, or a genetic disorder?

A: COPD stands for chronic obstructive pulmonary disease. It is an inflammatory lung disease that…