Case study 1 An 8-year old child complains of sore throat and pain when swallowing. Temperature reading is 101.2, indicating fever, and palpation of the cervical region indicated enlarged lymph nodes. Visual inspection of the posterior oral cavity shows enlarged tonsils.
1. What do you initially suspect and why?
2. Name the tonsils and their body locations.
3. A throat swab reveals the presence of streptococcus bacteria. Explain what is happening in the patient’s tonsils and lymph nodes in response to this bacterial pathogen.
4. Why is the patient’s temperature elevated? Explain the role of fever in the immune response.
5. What treatment would be given and why?
6. You learn this patient has a history of chronic tonsilitis. A tonsillectomy is considered.
a. What is a tonsillectomy?

b. What are two benefits to a tonsillectomy?

c. What are two risks associated with a tonsillectomy?

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answer:

the water molecules are transferred from the roots to the stem or top parts of the tall tree because of important properties of water which are adhesion, cohesion and capillary action. cohesion is the property of water molecules keeps water molecules in a combined state by sharing of bonds between them at the atomic level. adhesion allows the interaction of water molecules with other substances or substrate. adhesion will cause the attachment of water molecules to the wall of the vessel (xylem) of the plant. capillary action occurs when the adhesive force to the vessel wall is stronger than the cohesive force between water molecules. capillary action mimics the transfer of water from a tube or pipe. in this way water utilizes its property to transfer water from down to top level of the plant.