Exam 10: The Blood Vessels and Blood Pressure

Type A blood has the anti-A antibody.

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 ____________________.

Neutrophils are the first phagocytes to leave the blood and arrive at a site of bacterial invasion or tissue damage.

Interferon is secreted by lymphoid organs.

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

Which type of leukocyte has a derivative known as the plasma cell?

Which of these statements does NOT correctly describe neutrophils?

Which of these statements correctly describes T lymphocytes?

Humoural immunity involves the production of ____________________ by B lymphocyte derivatives.

The type of antibodies responsible for inducing allergic manifestations is ____________________.

Which of these statements correctly describes natural killer (NK) cells?

Most of the progeny of an activated B-cell clone differentiate into ____________________, which produce antibodies, and ____________________, which remain dormant and expand the specific clone.

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

Which type of cells do natural killer cells destroy?

Severe burns of the skin can result in life-threatening circulatory disturbances.

Type AB blood can be donated to anyone because it lacks both anti-A and anti-B antibodies.

Which of the following is NOT found in the epidermis?

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

Which of these chemicals induces prolonged contraction of smooth muscle during allergic reactions?

Chemotaxis refers to the ability of leukocytes to squeeze through small capillary pores.