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