Lymphatics and Immune Review

Which of the following provides active immunity that is artificially acquired?

Vaccine

What is another name for a systemic acute allergic reaction?

Anaphylaxis

Which cells can be considered APC's (antigen presenting cells)?

Dendritic cells, macrophages, and B cells

The process by which neutrophils are squeezed through the capillary walls during the inflammatory process is called ________.

Diapedesis

Antigen-presenting cells (APCs) present fragments of cells so they can be recognized by ________.

Macrophages

Within a lymph node, what cells engulf and destroy pathogens and other foreign substances in the lymph?

Macrophages

In the 1980s, Christine had the chicken pox at age 4. At age 8, she was exposed to the virus again when her sister contracted the chicken pox. What type of cells present in her blood was capable of responding to the antigen during the second exposure?

Memory cells

Due to a recent respiratory illness from a viral infection, Jennifer has now developed ________ acquired ______________ immunity.

Naturally Active

What kind of graft comes from the patient's own tissues?

Autograft

Lymph is largely composed of water that has escaped from ________.

Blood

T cells or B cells that are capable of responding to a specific antigen by binding to it with antigen-specific receptors that appear on the lymphocyte's surface are considered ________.

Immunocompetent

While walking barefoot, Maggie got a cut on the sole of her foot. She later noticed redness, swelling, and pus draining from her wound. How would you interpret these symptoms?

Inflammatory response

What does fever accomplish?

Inhibits bacterial growth

Which of the following are harmful or disease-causing microorganisms from which nonspecific defenses protect the body?

Pathogens

What chemical do white blood cells and macrophages secrete to raise body temperature and induce fever?

Pyrogens

Which of the following is least likely to provoke an immune response?

Self antigen

If you cut up raw chicken meat that houses potentially harmful bacteria, which barrier from your first line of defense provides protection?

Skin

Which lymph organ destroys worn out red blood cells?

Spleen

Which lymph organ traps pathogens in the throat?

Tonsils

Describe positive chemotaxis:

When cells move toward a higher concentration of signaling molecules

Cedric needs a kidney transplant. Which type of graft is least likely to be successful?

Xenograft