Exam 15: The Lymphatic System and Immunity

Which of the following vessels does NOT exist for the spleen?

The palatine tonsils and pharyngeal tonsil (adenoid) are aggregates of lymphoid tissue located in the:

Which of the following statements about the lymphatic system is FALSE?

Which of the following is a primary lymphatic organ?

Lymphatic vessels develop from lymphatic sacs, which arise from developing veins, which are derived from mesoderm.

HIV is a retrovirus, which means that its genetic information is carried in _____.

The lymphatic vessels arise from:

Afferent lymphatic vessels have valves that open away from a lymph node so that they direct the flow of lymph out of the node.

Lymph from the right upper extremity flows through the right lymphatic duct, then into the right subclavian trunk.

MALT refers to lymphatic tissue scattered in the lining of the

Which of the following nodes belong to the largest group of nodes in the neck forming a chain extending from the base of the skull to the root of the neck?

The lymphatic vessels arise from the same type of embryonic tissue as do veins.

Which of the following is NOT an important factor that assists the flow of lymph through lymphatic vessels?

Lymphatic capillaries are found in tissues throughout the body EXCEPT for:

List the nodes that make up the axillary group and state the region of the body drained by each.

The intestinal trunk drains lymph from the stomach, intestines, pancreas, spleen, and part of the liver.

Lymphatic capillaries differ from blood capillaries in that they are closed-ended and they have a slightly _____ diameter than blood capillaries.

Edema, or excess accumulation of interstitial fluid, is due to anchoring filaments causing closure of the spaces between lymphatic endothelial cells.

Following a splenectomy (surgical removal of a ruptured spleen), some of the spleen's functions can be handled by red bone marrow and the liver.

The lymph nodes of the abdomen are divided into parietal and visceral groups.