Nasal cavity Nostril Pharynx Oral cavity - Epiglottis Larynx Trachea Bronchus Bronchioles Right lung Left lung

Q: Staphlococcus epidermis appears ............ whereas Escherichia coli appears ........ after the…

A: Bacteria are single-celled prokaryotic organisms that do not have a nucleus and membrane-enclosed…

Q: A) What is resident flora? B) How might resident flora prevent infection AND cause infection?

A: Note: “Since you have posted multiple questions, we will provide the solution only to the first…

Q: List two different types of phagocytes. How do Tcells and B cells differ in their functions? From…

A: The immune system plays an important role in preventing and combating the diseases caused by…

Q: List four innate defensive responses present in the body, and explainhow each type functions to…

A: Innate immunity is the nonspecific defense mechanisms that gets activated immediately or within…

Q: Acidic environments slow the growth of or destroy some pathogens. Which locations in the body use…

A: Introduction  Pathogens are microorganisms such as bacteria, viruses, fungi, and parasites that can…

Q: Choose the combination of answers that most accurately completes the statement. An example/examples…

A: Basic information IMMUNE SYSTEM  It defends our body from the foreign particles which can cause…

Q: Thomas rides in an elevator with a young child suffering from the common cold.  Like most young…

A: As per our authoring guidelines, only 3 sub-parts of a question could be answered during one…

Q: A major outcome in response to the is the production of O complement cascade activation; a MAC in…

A: It is a complex biological system endowed with the capacity to recognize and tolerate whatever is…

Q: How would damage to the ciliated cells of the respiratory tract predispose a person to infection?

A: The trachea and bronchi contains ciliated epithelial layer. The mucus is secreted by the goblet…

Q: Which of the following causes damage to the cells of the immunesystem and allows for opportunistic…

A: Immune system of the body protect the body by defending invading pathogens from surroundings. The…

Q: Which is not an effector Tlymphocyte? cytoxic T lymphocyte helper T lymphocyte memory T lymphocyte

A: Human body has an extremely well developed immune system for the protection against pathogens. Human…

Q: How many types of “foreign molecules” (use the proper term where needed) does each cell recognize?…

A: Antigens can be classified according to their source: Antigens from outside the body Exogenous…

Q: Many microbial pathogens enter the gut of humans along with food. What are the preventive barriers…

A: There are many microbes which act as pathogen infect the food these pathogens easily enters our gut…

Q: which type of immunity reacts to tuberculosis, cell mediated or humoral? why?

A: The immune response can be of two types - humoral (antibody-mediated) and cellular (cell-mediated).…

Q: How do microfi lariae get into the blood?

A: Microfilariae is an early stage in the life cycle of certain parasitic nematodes belonging to the…

Q: what will be our body's response (immune response) when we are suffering from tetanus? Explain

A: Introduction :  Tetanus Is A Severe Nervous System Infection Caused By A Toxin Producing Bacteria,…

Q: does Epithelial cells and Muco-ciliary escalator fights off infection

A: The growth of germs in the body causes infection. The germs are microorganisms, including bacteria,…

Q: A patient comes into the hospital complaining of having symptoms that looks like to be a…

A: In the question it is given that the person is having streptococcal infection and the symptoms…

Q: Fever can indicate that a. the pathogen remains on the skin D. the body is responding to an…

A: Normal temperature of the body is 98.6 degree fahrenheit. Fever occurs when this temperature rises.

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

A: Answer

Q: The adaptive immune system has a memory. How does this memory improve the host’s response in…

A: The adaptive immune system is also known as acquired immunity and it uses specific antigens to…

Q: 5. - In a paragraph Describe the role of non-specific macrophages in preventing infection. (150…

A: The ability of an organism to resist infection by disease causing organism or pathogen is known as…

Q: Which type of defense celldo bacteria attract and causeto multiply during theinflammation process?…

A: The different kinds of immune cells patrol the body in which macrophages are the first to fight…

Q: for each stage of pethogens explain how pathogens do expose the host tissue (exposure), then how to…

A: EXPOSURE/CONTACT   An encounter with pathogen is known as exposure. Fr a pathogen to cause disease,…

Q: How does B cells and Lysozyme fight off infection

A:

Q: Match the barrier with its type Physical barrier Chemical barrier Mechanical barrier Microbiological…

A: The human body is constantly exposed to potentially harmful microorganisms. In order to protect…

Q: It would be disastrous if a complement attack werenot confined to the surface of the pathogen that…

A: The complement system interacts with and boosts the immune system's antibodies and professional…

Q: Paroxysmal nocturnal hemoglobinuria is a disease characterized by lysis of red blood cells, which…

A: Paroxysmal nocturnal hemoglobinuria. It is a rare disease that is caused by a mutation in bone…

Q: Lymphocytosis is common in many infectious diseases. Why?

A: Lymphocytes include immune cells such as natural killer cells, B-cells and T-cells. These cells are…

Q: Name 2 ways in which mucus helps defend us from pathogens.

A: It is a slippery , stringy fluid substance produced by many lining tissues in the body.

Q: indicate that a. the pathogen remains on the skin b. the body is responding to an infection. c. a…

A: Introduction  A pathogen is an organism that causes disease. Pathogens may spread disease once they…

Q: A 19 -year old man comes to the physician because of a severely itchy, blistering rash on his legs…

A: An extremely itchy, blistering rash that has been on the patient's legs for two days brings a…

Q: Why do you suppose you become thirsty after eating salty foods?  Can you explain the circumstances…

A: The immune system checks the body for infections or problem-causing chemicals and fights any harmful…

Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.