When Anne gets infected with smallpox, one of the first symptoms she experiences is a fever. The fever is a symptom that shows that her immune system is working. What part of the immune system? And what's causing the fever?
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When Anne gets infected with smallpox, one of the first symptoms she experiences is a fever. The fever is a symptom that shows that her immune system is working. What part of the immune system? And what's causing the fever?
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- Tom has just been exposed to the measles virus, and he can't remember if he has had measles before. He asks you if there is any way he can tell if he has been previously exposed or if he is going to get sick. What would you tell him? Why won't he get sick from a second infectionMolly went to a friends house and came home with a rash on her arms and legs. The friend had a cat but no fleas. Explain which cells of her immune system were activated. She took an allergy medicine.Mr. Conti died from a smallpox infection. The graphs (pictured) illustrate Anne's immune response and Mr. Conti's immune response. What differences do you see between these two graphs, and how do these differences explain why Anne survived and Mr. Conti died?
- What are the functions of the complement system in the immune system? Why is the complement system unable to destroy viruses?An individual is infected with a particular pathogen that he had before. This results in the generation of an immune response.a) List the name of the type of immune response that may be generated.1) According to the video, what is another name for the innate immune sys and what does this system do? 2) According to the video, what causes inflammation and what cells cause it? 3) According to the video, what happens to neutrophils after they consume a pathogen? 4) According to the video, natural killer cells; what do they do? 5) The adaptive/acquired immune system can tell the difference between types of pathogens: true or false? 6) According to the video, helper t- function: 7) According to the video, cytotoxic t cells function: 8) According to the video, memory cells function:
- Melissa is a 15-year-old high school student. Over the last week, she had been feeling tired and found it difficult to stay awake in class. By the time the weekend had arrived, she developed a sore throat that made it difficult to eat and even drink. Melissa was too tired to get out of bed, and she said her head ached. On Monday morning, her mother took her to her doctor. Upon completing the physical exam, he told Melissa the lymph nodes were enlarged in her neck and she had a fever. He ordered blood tests and told Melissa he thought she had mononucleosis, a viral infection requiring much bed rest. Humoral immunity involves the activation of B lymphocytes and production of antibodies. What are the general mechanisms of action that make antibodies a key component of an immune response?Melissa is a 15-year-old high school student. Over the last week, she had been feeling tired and found it difficult to stay awake in class. By the time the weekend had arrived, she developed a sore throat that made it difficult to eat and even drink. Melissa was too tired to get out of bed, and she said her head ached. On Monday morning, her mother took her to her doctor. Upon completing the physical exam, he told Melissa the lymph nodes were enlarged in her neck and she had a fever. He ordered blood tests and told Melissa he thought she had mononucleosis, a viral infection requiring much bed rest. Innate and adaptive immune defenses work collectively in destroying invasive microorganisms. What is the interaction between macrophages and T lymphocytes during the presentation of antigen?Melissa is a 15-year-old high school student. Over the last week, she had been feeling tired and found it difficult to stay awake in class. By the time the weekend had arrived, she developed a sore throat that made it difficult to eat and even drink. Melissa was too tired to get out of bed, and she said her head ached. On Monday morning, her mother took her to her doctor. Upon completing the physical exam, he told Melissa the lymph nodes were enlarged in her neck and she had a fever. He ordered blood tests and told Melissa he thought she had mononucleosis, a viral infection requiring much bed rest. Melissa’s illness is caused by a virus. Where are type I interferons produced, and why are they important in combating viral infections?
- A mother calls the clinic to ask what medication to give her 5-year-old child for a fever during a bout of chickenpox. The nurse’s best response would be: a )“Your child is 5 years old, so it would be okay to use children’s aspirin to treat his fever.”b )“Start with acetaminophen or ibuprofen, but if these do not work, then you can try aspirin.”c )“You can use children’s dosages of acetaminophen or ibuprofen, but aspirin is not recommended.”d )“It is best to wait to let the fever break on its own without medication.”Although the immune system has two arms, it has been said, “No T cells, no immunity.” How is this so?Which type of immunity is triggered by vaccination?