Interferon aims to protect cells against which of the following? O 1) Intracellular bacteria O 2) Helminth infection O 3) Viral infections O 4) Attack by immune complexes

One of the common characteristics of lymphocytes (1), neutrophils, and macrophages) the resulting immunity is not specialized b) they are the second line of defense c) they are all white cells d) they produce a cellular response

Interferons can slow down viral replication by inhibiting protein synthesis in in body cells. a.) true  b.) false

Poison oak and poison ivy, which involve a CD8 cell response, are examples of what type of hypersensitivity reaction? O 1) 1 O 2) |I O 3) II O 4) IV

Which of the following is not a part of the inflammation process? a) Intracellular gaps in vessels that allow passage of large proteins Ob) Dilation of vessels c) Increased permeability of vessels d) Contraction of vascular smooth muscle e) Increased blood flow

Helper T cells: A) produce antibodies B) can act as memory cells C) initiate both the cell mediated response and the humoral response D) all of the above

3)  Name each of these cells. A) These immune cells make antibodies.    B) These phagocytes destroy helminths and fungi and play a role in allergies. C) These lymphocytes play a role in the innate response to kill virally infected cells and cancer cells. D) These innate cells are phagocytes that present and activate T cells and activate wound repair. E) These granulocytes are the first cells from the blood to the site of infection. F) These phagocytes present antigens to naïve mature T cells.

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

Which of the following activates non-specific immune responses?  a.) Pathogen-associated molecular patterns b.) Body cells lacking major histocompatibility complex c.) Particles recognized and coated by antibodies d.) All of the above