the immune response is strongest there in all infections cells there are exposed to stomach acid and therefore need to be tougher there are many non harmful potential antigens in food and our gut bacteria there are many new pathogens encountered by APCS in the upper gastro intestinal tract

A small town’s pediatrician saw three children, ages 5, 7, and 10 years, who were ill with vomiting and diarrhea within 12 hours of each other. The child aged 5 years had become so sick that the pediatrician recommended her mother take her to the emergency department at the local hospital. The 5-year-old child initially complained of nausea around 10:00 a.m. The nausea was followed by vomiting and multiple episodes of diarrhea. The child was unable to eat or drink anything without vomiting. That afternoon, the child became listless, so the pediatrician sent the child to the emergency department where she was noted to be dehydrated and had a fever. Stool and blood specimens were collected, and the child was treated with intravenous fluids and released.  The two neighborhood children had had similar symptoms (i.e., nausea, vomiting, diarrhea, and fever) but had not become as ill as the 5-year-old. Both had returned to school the day after becoming ill. The three children usually did not…

What is the most common portal of entry?   Question 12 options:   a)  food & water   b)  mucous membranes   c)  skin   d)  vomiting   e)  respiratory aerosols

how does MALT protect your body?

Which mucosal cells are involved in propagating signals from the gut to the brain? O enteric B cells and micoglia O ILC2 and ILC3 cells mast cells and eosinophils enteroendocrine and enterochromafin cells Treg aand CD4+T cells

Three weeks ago, 20-year-old Sacheen came down with symptoms typical of the common cold. She had a runny nose, fatigue, and a mild cough. Her symptoms had been starting to improve, but recently her cough has been getting worse. She coughs up a lot of thick mucus, her throat is sore from frequent coughing, and her chest feels very congested. According to her wife, Sacheen has a “chest cold.” Sacheen is a smoker and wonders if her habit is making her cough worse. She decides that it is time to see a doctor. Dr. Tsosie examines Sacheen and asks about her symptoms and health history. She checks the level of oxygen in Sacheen’s blood by attaching a device called a pulse oximeter to Sacheen’s finger (Figure ). Dr. Tsosie concludes that Sacheen has bronchitis, an infection that commonly occurs after a person has a cold or flu. Bronchitis is sometimes referred to as a “chest cold,” so Sacheen’s wife was right! Bronchitis causes inflammation and a build-up of mucus in the bronchial tubes in the…

Anne had the smallpox virus. She is unlikely to get sick if she is infected with the smallpox virus again because her immune system has 'memory' of the virus and can fight it off effectively. Is Anne likely to get sick if infected with a different virus? Why or why not?

Absorptive cells that line the intestinal tract Cell type specialized to secrete mucus into the lumen of the intestinal tract Structures that increase the absorptive area of the small intestine Wide lymph capillary located in the villus Paneth cells are found here [Choose ] [Choose ] [Choose ] [Choose] [Choose ] |||

07. Which lymphatic structure is impossible to palpate? A) axillary nodes B) inguinal nodes C) thymus D) popliteal nodes?

The large intestine: A) reabsorbs water used in digestion B) stores waste for elimination C) Host bacteria that produce essential vitamins D) Reabsorbs water used in digestion and stores waste for elimination  E) All these answers are correct