Exam 11: Body Defences

Match the antibody type, labelled a. through e., with the correct characteristic. -function is uncertain

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

One of the most lethal consequences of mismatched blood transfusions is acute kidney failure caused by blockage of urine-forming structures by haemoglobin precipitation.

____________________ in an infected wound is a collection of phagocytic cells, dead tissue liquefied by enzymes released from the phagocytic cells, and bacteria.

Which of these statements applies to plasma cells

During their agglutination, red blood cells clump together.

Lymphocytes respond only to antigens that have been processed and presented to them by which one of the following cell types

The secondary immune response can be longer and more powerful than the primary immune response.

Match the type of T cell, labelled a. through e., with its characteristics. (Options may be used more than once or not at all.) -serve to limit immune reactions in a check-and-balance relationship with the other lymphocytes

Match the defence molecule(s), labelled a. through h., with the correct characteristic. -induce(s) the development of fever

____________________ against cancer cells involves an interplay among cytotoxic T cells, NK cells, macrophages, and interferon.

A mass of transformed cells that is slow growing, stays put, and does not infiltrate surrounding tissue is known as a(n)____________________ tumour, whereas rapidly growing, invasive masses are called ____________________ tumours or ____________________.The spreading of mutant cells that have broken away from the parent tumour to other body sites is called ____________________.

Virus-infected cells can self-destruct by apoptosis.

What are the roles of helper T cells in the immune response

Name three means by which microbes can be destroyed in the body without being phagocytized.

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

Match the condition, labelled a. through g., with the characteristic. -allergic response mediated by IgE

Distinguish between the two pathways by which the complement system can be activated.

Which of these statements does NOT apply to cancer cells

Neutrophils swell and mature into macrophages after they enter the tissues.