Why did the noninfectious pathogenic factor (high temperature) cause the emergence of blisters with pus in the patient B.?

Case 3

A 25-year-old patient A. visited gastroenterologist with complaints of acid eructations, "gnawing" pain in the epigastrium, sensation of fullness in the stomach after meal, and frequent diarrhea. Ingestion of bicarbonate temporary relieved the stomach discomfort.

Gastroduodenoscopy and the complete blood count test with serum protein analysis were performed to specify the diagnosis. The results of gastroduodenoscopy: gastric mucosa is swelled with enlarged, tortuous, closely adjoining folds; sulci between the folds are deep. Overt signs of arterial and venous hyperemia of mucosa, and focal erosions are observed. The volume of mucus is increased. In the blood: signs of anemia and leukocytosis; dysproteinemia due to increase in the globulins fraction.

Questions:

What pathologic process(es) can be distinguished in this patient? Substantiate your opinion.

Which of the pathologic processes is primary, and which of them are secondary?

What are the possible causes and mechanisms of symptoms observed in the patient?

Case 4

With an aim to perform a pathophysiologic analysis of factors determining the unfavorable course of posttraumatic inflammation physicians of the Traumatology Department studied medical histories of their patients. All patients were distributed into 3 groups depending on the type of the observed physiologic dysfunction. The first group included patients who exhibited signs of liver damage; the second group consisted of patients with cardiovascular pathology (atherosclerosis, essential hypertension etc.), and the third group comprised elderly patients with various cerebral disorders (stroke, concussion of the brain, cerebrovascular atherosclerosis).

Questions:

Was the distribution of patients into the mentioned groups justified? Substantiate your opinion.