Exam 10: The Blood Vessels and Blood Pressure

IgE antibodies are common mediators for allergic reactions.

Which of these cells do NOT play a direct role in immune surveillance against cancer?

____________________ cells do not participate in an immune reaction but remain dormant to expand a specific clone.

Which of the following is NOT secreted by helper T cells?

Match the defence cell, labelled a. through d., with the correct characteristics. (Options may be used more than once or not at all.) a.keratinocytes b.melanocytes c.Langerhans cells d.Granstein cells -present antigen to suppressor T cells

Match the defence molecule(s), labelled a. through h., with the correct characteristic. a.lactoferrin b.glucocorticoids c.histamine d.endogenous e.opsonins f.complement g.antibodies h.interferon -stimulates production of viral-blocking enzymes

Which of these statements correctly describes interferon?

Match the type of T cell, labelled a. through e., with its characteristics. (Options may be used more than once or not at all.) a.applies to cytotoxic T cells b.applies to helper T cells c.applies to suppressor T cells d.applies to both helper T and suppressor T cells e.applies to all three types of T cells -are the most numerous of the T cells

What is the primary purpose of the vascular changes in an invaded or injured area?

Haptens are the light chains produced for antibody synthesis.

Saliva is destructive to bacteria because it is highly acidic.

Match the defence molecule(s), labelled a. through h., with the correct characteristic. a.lactoferrin b.glucocorticoids c.histamine d.endogenous e.opsonins f.complement g.antibodies h.interferon -potent anti-inflammatory drug(s)

Fever results from neurological activity in the cerebellum.

Which of these statements correctly describes interferon?

Match the type of T cell, labelled a. through e., with its characteristics. (Options may be used more than once or not at all.) a.applies to cytotoxic T cells b.applies to helper T cells c.applies to suppressor T cells d.applies to both helper T and suppressor T cells e.applies to all three types of T cells -serve to limit immune reactions in a check-and-balance relationship with the other lymphocytes

Specific immune responses are selectively targeted against particular foreign material to which the body has previously been exposed.

____________________ are lymphocyte-like cells that nonspecifically destroy virus-infected cells and tumour cells.

Match the condition, labelled a. through g., with the characteristic. a.serum sickness b.immediate hypersensitivity c.acquired immune deficiency syndrome d.delayed hypersensitivity e.immune-complex disease f.autoimmune disease g.severe combined immunodeficiency -damage of normal cells brought on by formation of antigen-antibody complexes

Match the type of T cell, labelled a. through e., with its characteristics. (Options may be used more than once or not at all.) a.applies to cytotoxic T cells b.applies to helper T cells c.applies to suppressor T cells d.applies to both helper T and suppressor T cells e.applies to all three types of T cells -enhance the development of antigen-stimulated B cells into antibody-secreting cells

The T lymphocyte lineage undergoes maturational processing and differentiation in the ____________________.