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Immune System

This category is for questions about how our bodies identify and fight off disease, infection or pathogens through specialized cells, tissues and organs. The system that does this is called the immune system. It produces antibodies which recognize intruders and neutralizes potentially pathogenic organisms or substances.

4,548 Questions

How if your ncae result is no response?

If your NCAE (National Career Assessment Examination) result is "no response," it typically means that your results are not available at that time. This could be due to various reasons such as technical issues or processing delays. It’s advisable to contact the appropriate educational authority or examination office for clarification and to ensure you receive your results as soon as they are available. Additionally, you may want to check if there are any steps you need to take to retrieve your results.

What is the role of memory cells in an immune response?

Memory cells play a crucial role in the immune response by providing long-lasting immunity against previously encountered pathogens. After an initial infection or vaccination, these specialized cells, primarily memory B cells and memory T cells, persist in the body. They enable the immune system to recognize and respond more rapidly and effectively to future infections by the same pathogen, leading to a more robust and quicker immune response. This memory function is essential for the effectiveness of vaccines and contributes to long-term protection against diseases.

What is term for the molecule on the surface of a virus tht is recongnized by the immune system?

The molecule on the surface of a virus that is recognized by the immune system is called an antigen. Antigens can be proteins or polysaccharides and are crucial for triggering an immune response, allowing the body to identify and combat the virus.

What does The Last Line of Defense mean?

The phrase "The Last Line of Defense" refers to the final barrier or safeguard against a threat or danger. It often implies a critical point where, if the last line fails, the consequences could be severe or catastrophic. This concept can apply in various contexts, including military strategy, cybersecurity, and personal safety, emphasizing the importance of remaining vigilant and prepared at that crucial stage.

What are non antibody proteins that regulate the immune respones?

Non-antibody proteins that regulate immune responses include cytokines, chemokines, and complement proteins. Cytokines are signaling molecules that mediate communication between cells, influencing the growth, differentiation, and activity of immune cells. Chemokines are a subset of cytokines that specifically direct the migration of immune cells to sites of infection or inflammation. Complement proteins are part of the innate immune system and help enhance the ability of antibodies and phagocytic cells to clear pathogens from an organism.

What is moderate to severe nonspecific sulcal prominence for age?

Moderate to severe nonspecific sulcal prominence for age refers to the widening of the brain's sulci (the grooves between the gyri) that is more pronounced than what is typically expected for a person's age. This finding can indicate age-related brain changes, potential neurodegenerative conditions, or other neurological issues. It is considered "nonspecific" because it does not point to a specific diagnosis but may warrant further investigation depending on accompanying symptoms or clinical context.

How is the immune system involved in addisons disease?

Addison's disease is an autoimmune disorder where the immune system mistakenly attacks and damages the adrenal glands, leading to insufficient production of hormones like cortisol and aldosterone. This immune response is often triggered by specific antibodies that target adrenal cells. As a result, individuals may experience symptoms such as fatigue, weight loss, and low blood pressure. The condition highlights the role of immune dysfunction in disrupting normal hormonal regulation.

What All living things are born with a immune response?

All living things, from single-celled organisms to complex multicellular beings, possess some form of immune response that helps them defend against pathogens. In simpler organisms, like bacteria and protozoa, this response may involve basic mechanisms such as phagocytosis or the production of antimicrobial compounds. Higher organisms, including plants and animals, have more sophisticated immune systems with adaptive and innate components, enabling them to recognize and remember specific pathogens. This innate ability to respond to infections is crucial for survival in a constantly changing environment.

Home of the independent response to seperation?

The phrase "home of the independent response to separation" likely refers to a place or context where individuals or groups foster autonomy and self-determination in the face of separation—be it political, social, or personal. This could be related to movements advocating for independence, like those seen in various historical contexts where communities seek to define their identity and governance apart from larger entities. Examples include regions pursuing independence or social movements promoting individual rights and freedoms. The essence lies in the pursuit of self-governance and the resilience of communities in asserting their independence.

What is the name given for the 'guidelines' for 'preventing' the spread of pathogens?

The guidelines for preventing the spread of pathogens are commonly referred to as "infection control measures" or "infection prevention protocols." These include practices such as hand hygiene, proper use of personal protective equipment (PPE), sterilization of instruments, and vaccination. Following these guidelines helps minimize the risk of infections in healthcare settings and the community.

What is a partial or incomplete antigen?

A partial or incomplete antigen, often referred to as a hapten, is a small molecule that cannot provoke an immune response on its own because it is not large enough or structurally complex enough. However, when it binds to a larger carrier protein, it can form a complete antigen, prompting an immune response. Haptens are important in understanding allergic reactions and certain autoimmune conditions, as they can trigger responses when attached to proteins in the body. Examples include certain drugs and chemicals that can lead to hypersensitivity reactions.

What is the total value of previous payments to the traveler in Defense Travel System?

The total value of previous payments to a traveler in the Defense Travel System (DTS) can be found by reviewing the traveler's payment history within the system. This information is typically accessible through the traveler's account, where it details all reimbursements and payments made for travel expenses. If you need a precise figure, you would need to log into the DTS and navigate to the appropriate section for payment history.

How does the adaptive (specific) immune system distinguish self from nonself?

The adaptive immune system distinguishes self from nonself primarily through the recognition of specific antigens. Immune cells, particularly T and B lymphocytes, possess receptors that bind to unique molecular structures on pathogens. During their development, these cells undergo a selection process to eliminate those that react strongly to the body's own proteins, thus preventing autoimmune responses. This process ensures that the immune system targets foreign invaders while sparing the body's own tissues.

Why do you need the immune systems?

The immune system is essential for protecting the body against infections and diseases caused by pathogens such as bacteria, viruses, and fungi. It identifies and neutralizes harmful invaders while also maintaining a memory of past infections to respond more effectively in the future. Additionally, the immune system plays a role in identifying and eliminating abnormal cells that can lead to cancer. Overall, a well-functioning immune system is crucial for maintaining overall health and well-being.

When does the bodys secound line of defense come into play?

The body's second line of defense comes into play when pathogens breach the first line of defense, which includes physical barriers like skin and mucous membranes. This response is part of the innate immune system and involves various mechanisms such as inflammation, the activation of phagocytes, and the release of antimicrobial substances. These actions help to contain and eliminate the invading pathogens. Additionally, the second line of defense is non-specific, meaning it responds the same way regardless of the type of pathogen encountered.

What is a Delphic response?

A Delphic response refers to a vague or ambiguous answer, often one that can be interpreted in multiple ways. The term originates from the Oracle of Delphi in ancient Greece, where the priestess would deliver prophecies that were often cryptic and open to various interpretations. Such responses are typically used to provide guidance while allowing for personal interpretation, often leaving the questioner to derive their own meaning.

What are Edward Jenner's siblings names?

Edward Jenner had eight siblings in total. His siblings included Sarah, Mary, and Catherine, among others. However, specific details about all of their names and lives are not extensively documented. Jenner himself was the youngest of the nine children in his family.

Oncogenes are genes that A) fight cancer. B) suppress the normal activity of the immune system. C) can signal cells to reproduce uncontrollably. D) have mutated.?

Oncogenes are genes that C) can signal cells to reproduce uncontrollably. They typically arise from mutated proto-oncogenes, which normally regulate cell growth and division. When these genes become activated or overexpressed, they can lead to cancer development by promoting excessive cell proliferation.

Can you put immune oils in a humidifier?

It's generally not recommended to put essential oils, including immune oils, directly into a humidifier unless it is specifically designed for use with oils. Many standard humidifiers can be damaged by oils, leading to malfunction or reduced effectiveness. Instead, consider using a diffuser designed for essential oils to safely disperse them into the air. Always check the manufacturer's instructions for guidance on using oils with your device.

What causes non-itchy red blotches on legs?

Well, darling, those non-itchy red blotches on your legs could be caused by a variety of things like heat rash, allergic reactions, or even a little something called petechiae. It's best to consult a doctor to get a proper diagnosis because I may be sassy, but I'm not a mind reader.

How does lipton cold brew work?

Well, honey, Lipton cold brew works by steeping tea bags in cold water for an extended period of time, usually around 5-10 minutes. This allows the tea leaves to slowly infuse into the water, creating a refreshing and smooth iced tea. So, if you want a quick and easy way to enjoy a cold brew without all the fuss, Lipton has got you covered.

When was the first stomach transplant?

The first successful stomach transplant was performed in 1959 by a surgical team led by Dr. Ronald Lee at the University of Minnesota. The recipient was a 3-year-old girl who had her stomach removed due to a tumor. The transplant was a groundbreaking medical achievement at the time, paving the way for further advancements in organ transplantation.

Is it bad if you use white-out for your nails?

Um well I would have to go with yes because there are chemicals put in there that aren't intended to be on your nails I'm sure if you put it on once it wont horribly ruin your nails but yeah stick to nail polish

What is the record for most sneezes in a row?

Oh, dude, the record for most sneezes in a row is like... wait for it... drumroll... 976 sneezes! Can you imagine sneezing almost a thousand times in a row? I'd be like, "Bless you" on repeat for days!