Exam 11: Body Defences

A given allergen can activate a B cell or T cell.

Eosinophils are attracted to sites involved with delayed allergic reactions.

A(n) ____________________ is a disease-producing organism.

Which type of white blood cell secretes chemicals that destroy parasitic worms

List two functions of dermal blood vessels.

Which of the following is NOT accomplished by a chemical released from activated phagocytes

Hypersensitivity is a B cell-mediated response.

Which of these statements does NOT apply to antigen-binding fragments (Fab) of antibodies

The group of genes that codes for self-antigens is known as the ____________________.

Which of the following must be available in high concentrations for bacterial multiplication to occur

Which of these statements applies to monocytes

Bacteria have been genetically engineered to produce interferon.

Myasthenia gravis is a(n) ____________________ disease.

Match the type of immunity, labelled a. through c., with the characteristics. (Options may be used more than once or not at all.) -resistance to antigen exposure is immediate upon injection of antibodies

The large intestine's normal microbial population helps defend against infection within the lower intestine.

Match the type of T cell, labelled a. through e., with its characteristics. (Options may be used more than once or not at all.) -rete interleukin 2

Antibody proteins consist of two heavy and ____________________ light polypeptide chains.

Type AB blood has both A and B antigens and no anti-A or anti-B antibodies.

Phagocytes can destroy foreign microbes only after they have engulfed these invaders.

Granulopoiesis includes the synthesis and release of neutrophils.