BIO 142 Ch 21 Lymphatic System

The lymphatic systems aids the ________ system by transporting excess interstitial fluid.

cardiovascular

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

hilum

Lacteals pick up dietary ________.

lipids

Lymphatic ________ are small clusters of lymphocytes that lack a complete capsule.

nodules

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

white

Lymph is moved through lymph vessels by which of the following? A. Respiratory pump. B. Skeletal muscle pumps. C. Skeletal muscle concentration around the lymphatic vessel walls. D. Peristaltic contractions of the GI tract. E. Pumping of lymph by the heart.

A. Respiratory pump B. Skeletal muscle pumps

Lymph drains from lymphatic trunks into two lymphatic ________. A. ducts B. veins C. nodes D. vessels

A. ducts

The function of white pulp in the spleen is to : A. monitor the blood for foreign materials B. produce lymph C. produce blood D. monitor the lymph for foreign materials

A. monitor the blood for foreign materials

On average, how much interstitial fluid becomes lymph each day? A. 4 liters B. 3 liters C. 1 liter D. 2 liters

B. 3 liters

Blood flows through the spleen in what order? A. splenic vein B. splenic artery C. splenic sinusoids of red pulp D. central artery of white pulp

B. splenic artery D. central artery of white pulp C. splenic sinusoids of red pulp A. splenic vein

Which of the following are normal constituents of lymph? A. erythrocytes B. water C. glycogen D. ions E. low concentration of protein F. urea

B. water E. low concentration of protein D. ions

Which of these lymphatic structures is found near the 9th to the 11th rib? A. inguinal lymph nodes B. thymus C. spleen D. axillary lymph modes

C. spleen

The two lobes of the thymus are divided into lobules by ________, extensions of the outer capsule. A. tendrils B. zonules C. trabeculae D. strata

C. trabeculae

Lymphatic ________ are formed from merging lymphatic vessels. A. lacteals B. capillaries C. trunks D. ducts

C. trunks

Large clusters of lymph nodes are found in which of the following regions? A. axillary B. pipliteal C. inguinal D. antecubital E. cervical F. lumbar

E. cervical A. axillary C. inguinal

Which tonsils are most commonly affected by tonsillitis? Maxillary Lingual tonsils Palatine tonsils Pharyngeal tonsils

Palatine tonsils

Match each tonsil with it's location: Pharyngeal Palatine Lingual Posterolateral region of the oral cavity Posterior wall of the nasopharynx Posterior one-third of tongue

Pharyngeal - Posterior wall of the nasopharynx Palatine - Posterolateral region of the oral cavity Lingual - Posterior one-third of tongue

The right lymphatic duct drains lymph from which quarter of the body? Right upper Left lower Right lower Left upper

Right upper

Adult red bone marrow is found within spongy bone in which locations? Vertebrae Roofing bones of the skull Diaphysis of the humerus Sternum Diaphysis of the femur

Roofing bones of the skull Vertebrae Sternum

Lymph is moved through lymph vessels by which of the following? Peristaltic contractions of the GI tract. Skeletal muscle contraction around the lymphatic vessel walls. Pumping of the lymph by the heart. Skeletal muscle pumps. Respiratory pump.

Skeletal muscle pumps. Respiratory pump.

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

Valves

Lymphoma is a ________ of the lymphatic tissues

cancer

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

cisterna

Lymphatic capillaries are ________ vessels. perforated open-ended fenestrated closed-ended

closed-ended

Dietary lipids enter the lymphatic system through tiny lymph vessels called ________.

lacteals

Lymphatic capillaries located in the GI tract are called ________. Peyer's patches chyle lacteals sucts

lacteals

Place these structures in the order that lymph travels through them: lymphatic trunks lymphatic vessels lymphatic ducts lymphatic cpaillaries

lymphatic capillaries lymphatic vessels lymphatic trunks lymphatic ducts

MALT stands for "mucosa-associated ________ ________"

lymphatic tissue

A buildup of excess intersitial fluid causes: lymphedema hydrocephalus glaucoma hemorrhange

lymphedema

Cancerous cells can travel from one part of the body to another. This process is called ________.

metastasis

As the interstitial hydrostatic pressure increases, is more or less fluid driven into the lymphatic capillaries?

more

The adenoids are also called the ________ tonsils.

pharyngeal

The ________ pulp of the spleen acts as a platelet reservoir.

red

Which of the following are considered secondary lymphatic structures where lymphocytes are housed after formation? thymus tonsils red bone marrow spleen lymph nodes

spleen lymph nodes tonsils

Which of the following vessels have valves? veins lymphatic vessels ateries blood capillaries

veins lymphatic vessels

The ________ are masses of lymphatic tissue that protect against inhaled and ingested materials and are found within the pharynx.

tonsils

Dissolved solutes are not common components of lymph. A. true B. false

B. false

Lymph flows through a lymph node in what order? Lymphatic sinuses Efferent lymphatic vessel Afferent lymphatic vessel

Afferent lymphatic vessel Lymphatic sinuses Efferent lymphatic vessel

The primary functions of a lymph node is to: A. produce blood B. filter foreign material from the lymph C. produce lymph D. filter foreign material from the blood

B. filter foreign material from the lymph

Excess interstitial fluid is driven into lymphatic capillaries primarily by what type of pressure? A. orthostatic B. hydrostatic C. filtration D. osmotic

B. hydrostatic

The thymus ________ after puberty. A. widens B. shrinks C. grows D. disappears

B. shrinks

Which of the following in the largest lymphatic organ in the body? A. thymus B. spleen C. lymph modes D. liver

B. spleen

Which of these lymphatic structures is found near the 9th to the 11th rib? A. thymus B. spleen C. Axillary lymph nodes D. inguinal lymph nodes

B. spleen

Which of these secondary lymphatic structures have a complete capsule? A. tosils B. spleen C. lymphatic nodules D. MALT E. lymph mode

B. spleen E. lymph mode

Which of the following are normal functions of the adult spleen? A. drainage of lymph into the cisterna chyli B. phagocytosis of old erythrocytes C. phagocytosis of bacteria D. act as a reservoir for platelets E. filtration of bacteria from the lymph F. production of new erythrocytes

C. phagocytosis of bacteria B. phagocytosis of old erythrocytes D. act as a reservoir for platelets

________ lymphatic structures are involved in the formation of lymphocytes. A. tertiary B. quaternary C. primary D. secondary

C. primary

The lymphatic system contains ________ lymphatic ducts. A. 1 B. 4 C. 3 D. 2

D. 2

The medulla of the lymph mode is supported by connective tissue fibers called ________. A. cortical sinuses B. cortical cords C. medullary sinuses D. medullary cords

D. medullary cords

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

thoriacic

T-lymphocytes migrate to , and mature in the ________.

thymus