The first exposure of a person to an allergen results in the production of the IgE class of immut surfaces of mast cells and release of which of the following? O A) Calcium O B) Interferon-a and interferon-B O C) Interleukin-6 (IL 6) O D) Leukotriene O E) Substance P.

13. Which of the following statements about interferons is correct? a) The local release of interferons stimulates viral replication. b) Interferons provide humoral immunity. c) Virally infected cells release interferon as a warning to neighboring cells d) d. Interferons are produced by viruses. e) The release of interferons during inflammation stimulates fever. 14. Which of the following is NOT a normal function of the stomach? a) Absorption of alcohol. b) Emptying of chyme into the small intestine. c) Temporary storage of food. d) Mixing of food with stomach secretions. e) All the above are stomach functions 15. Acid chyme is buffered by_ a) mucus b) bicarbonate Ammonia secreted from the pancreas. c) d) urea e) gastrin 16. What property of bile salts allows them to emulsify lipids? a) the presence of cholesterol b) they can bind to hydrophilic and hydrophobic substances c) they repel water d) they allow bacteria to survive in the large intestine. e) they are activated by acid from…

The classical sign calor, associated with inflammation, is the result of what physiological event from the release of cytokines? 1) Dilation of blood vessels O 2) Cytokines affecting the hypothalamus O 3) Influx of fluid into the infected area 4) Cytokine recruitment of a large number of phagocytes to the area

Activated helper T Cells participate in which of the following processes? a.) Differentiation of memory B cells b.) Activation of cytotoxic T Cells c.) Facilitation of macrophage phagocytosis d.) All of above