Exam 22: Lymphatic System and Immunity

The serum used for emergency treatment of snakebites stimulates ________ immunity.

Why is a cell-mediated immune response more effective against intracellular microorganisms (such as viruses) than an antibody-mediated response?

As one ages, the effectiveness of adaptive immunity decreases.

Interferon production is stimulated by ________.

Positive selection of lymphocytes refers to the

Circulatory changes that occur in inflammation include

Considering the mechanisms of innate immunity, which of the following pairs is accurately matched?

Match the appropriate characteristic with the type of immunity. -Provide protection against extracellular antigens

Lymph nodules are

Basophils are the only white blood cells that stimulate inflammation.

Match the appropriate characteristic with the type of immunity. -Tears and saliva

Lymphocyte proliferation begins by increasing the number of ________.

During the development of lymphocytes, some pre-T and pre-B cells survive and develop into cells capable of an immune response; this is referred to as ________ selection. However, some cells are suppressed from responding to self antigens; this is referred to as ________ selection.

If you receive an immunization for hepatitis B and produce antibodies against the hepatitis B virus, you have developed what type of adaptive immunity?

Which of the following does not belong in the same immunity class as the others?

Which areas of an antigen are recognized by lymphocytes so that the cells can respond?

Match the appropriate characteristic with the type of immunity. -Cells mature in thymus gland

Activation of the complement cascade via the alternative pathway involves the spontaneous activation of the complement protein ________.

The two major types of phagocytic cells are ________ and ________.

Cytotoxic T cells are like natural killer (NK) cells because they both ________.