Reference no: EM133934848

Assignment:

1) Briefly explain how microorganisms can evade (avoid) Immunity.

2) Your friend has been infected by COVID-19, which later resolved within two few days. Explain to him which antigen-presenting pathway was involved in this instance?

3) Your female friend has somehow contracted a urinary tract infection. Upon visiting a medical doctor, she was given a prescription for penicillin. Initially, she took her penicillin first thing in the morning, and she did not experience any problems. However, she then took her penicillin tablets later in the day at 12h00 and started having a hypersensitivity reaction within an hour. This reaction was characterized by wheezing and shortness of breath.

3. a) Which type of hypersensitivity reaction is affecting your friend

3. b) Defend your answer in question a) by providing a complete description of this hypersensitivity reaction

4). A 35-year-old male patient presents with painless, non-tender enlargement of the lymph nodes; the lymph nodes have only affected the cervical region of the body. While these are painless, advise your friend about the importance of having these checked out and the probable prognosis

5. Your friend has recently been vaccinated for the first time, and their body responds to increasing core temperature (hyperthermia). Explain to her how the pyrogens are increasing her body temperature.

6. Differentiate between respiratory acidosis and respiratory alkalosis.

7. Discuss how a drop in pH affects homeostasis and how the body responds to such a change.

8. Miss Nzimande has been diagnosed with gastritis; the endoscopy reveals suppression of the parietal cells. After she confessed that she enjoys very salted meals, the clinical results show a lack of vitamin C. Which type of gastritis is affecting her? Briefly explain your answer.