SMARTBOOK CH21 LYMPHATIC SYSTEM

True or False: Dissolved solutes are not common components of lymph.

False

True or false: The spleen filters the lymph for foreign materials and bacteria.

False

True or false: The spleen has an outer cortex and inner medulla.

False

Inguinal lymph nodes receive lymph from the ______.

legs

Lymphatic sinuses in the cortex and medulla of the lymph node ______.

provide a pathway for lymphatic flow

The thymus is a ______ lymphatic structure.

primary

The two lobes of the thymus are divided into lobules by ______, extensions of the outer capsule.

trabeculae

The red pulp of the spleen is where ______ drainage of the blood occurs.

venous

Adult red bone marrow is found within the spongy bone in which locations?

vertebrae roofing bones of the skull sternum

The spleen initiates an immune response when antigens are found in the blood. This function is associated with the ____ pulp.

white

Match each tonsil with its location.

- pharyngeal- the posterior wall of the nasopharynx - palatine - posterolateral region of the oral cavity - lingual - posterior one-third of the tongue

Lymph flows through a lymph node in what order?

1. Afferent lymphatic vessel 2. Lymphatic sinuses 3. Efferent lymphatic vessel

Blood flows through the spleen in what order?

1. splenic artery 2. central artery of white pulp 3. splenic sinusoids of red pulp 4. splenic vein

The lymphatic system contains ______ lymphatic ducts.

2

Identify the structures that are related to the lymphatic system in the picture.

A- right jugular trunk B- right subclavian trunk C-right lymphatic duct D- right bronchomediastinal trunk

Identify the structures that relate to the lymphatic system in the given image.

A. Cisterna chyli B. Left lumbar trunk C. Left intestinal trunk

Identify the microscopic structures of the thymus in the picture.

A. trabecula B. cortex C. capsule D. medulla

Lymph moves only one way through lymphatic vessels because of the presence of what internal structures?

Lymph capillaries send lymph into larger tubes called lymphatic vessels. The lymphatic vessels come together in still-larger tubes called collecting ducts. A series of valves keep the fluid moving one way. The collecting ducts empty the lymph into the right or left lymphatic duct (thoracic duct).

There are usually more ______ attached to a lymph node.

afferent vessels than efferent vessels

The white pulp of the spleen is associated with the ______ supply of the spleen.

arterial

Lymph drains from lymphatic trunks into two lymphatic ______.

ducts

Lymphoma is a ______ of the lymphatic tissues.

cancer

The lymph node is surrounded by a tough connective tissue layer called the ______.

capsule

The main difference between lymphatic organs and lymphatic nodules is that lymphatic organs have a _____ enclosing them.

capsule

The spleen is surrounded by a _____ made of dense irregular connective tissue.

capsule

Large clusters of lymph nodes are found in which of the following regions?

cervical inguinal axillary

The _____ chyli carries chyle from the small intestine to the thoracic duct.

cisterna

Each thymus lobule is divided into an inner medulla and an outer .

cortex

Within a lymph node are open spaces called sinuses. In the cortex, they are called ____ sinuses and in the medulla, they are called medullary sinuses.

cortical

The "outflow pipe" of a lymph node is the ______ vessel.

efferent

Lymphoid nodules are also called lymphoid ______.

follicles

Lacteals are located in the ______ tract.

gastrointestinal

The region where blood vessels and nerves enter and leave the spleen is called the

hilum

The cisterna chyli is directly ______ to the thoracic duct.

inferior

Which of the following are considered secondary lymphoid structures where lymphocytes are housed after formation?

lymph nodes tonsils spleen

The medulla of the lymph node is supported by connective tissue fibers called ______.

medullary cords

The function of white pulp in the spleen is to ______.

monitor the blood for foreign materials

Lymphoid ____ are small clusters of lymphocytes that lack a complete capsule.

nodules, tonsils, or follicles

There are two categories of lymphoma, Hodgkin lymphoma, and _____ -Hodgkin lymphoma.

non

Which of the following are normal functions of the adult spleen?

phagocytosis of old erythrocytes phagocytosis of bacteria act as a reservoir for platelets

The adenoids are also called the ____ tonsils.

pharyngeal

Which of the following are types of tonsils?

pharyngeal palatine lingual

Which tonsils are found in the posterior wall of the nasopharynx?

pharyngeal tonsils

The pulp of the spleen that acts as a platelet reservoir is the _____ pulp.

red

All lymphocytes originate in the ______.

red bone marrow

Lymph is moved through lymph vessels by which of the following?

respiratory pump skeletal muscle pumps

Lymph from the green area (area A) drains into the _____ lymphatic duct.

right

The right lymphatic duct drains which of the following parts of the body?

right side of head and neck right arm right side of the chest

The right lymphatic duct drains lymph from which quarter of the body?

right upper

The thymus ______ after puberty.

shrinks

Which of the following is the largest lymphoid organ in the body?

spleen

Which of these secondary lymphatic structures have a complete capsule?

spleen lymph node

Blood drains out of the spleen through the ______.

splenic vein

Red bone marrow is located within the trabeculae of ______ bone.

spongy

The thymus is located in the ______.

superior mediastinum

The larger lymph duct, the left lymphatic duct, is more commonly referred to as the duct.

thoracic

Lymph from the right leg enters the bloodstream through the ______.

thoracic duct

What is the name of the lymphatic organ at A?

thymus

Lymphatic ______ are formed from merging lymphatic vessels.

trunks

In which abdominal quadrant is the spleen located?

upper left quadrant

The lymphatic ducts empty into ______.

veins

Which of the following vessels have valves?

veins lymphatic vessels