Lab 49

Question 1

Lymph finally flows into lymphatic _______ just before connecting to a blood vessel.

Answer 1

collecting ducts

Question 2

The right lymphatic duct drains only the ______ quadrant of the entire body.

Answer 2

Right upper

Question 3

Which of the following areas would contain the fewest lymph nodes?

Answer 3

Plantar

Question 4

A __________ is the largest lymphatic organ.

Answer 4

Spleen

Question 5

The thoracic duct drains into the

Answer 5

Left internal jugular vein

Question 6

T/F

Lymph flows faster during periods of exercise

Answer 6

True

Question 7

T/F

The thymus continues to enlarge as a person ages.

Answer 7

T

Question 8

T/F

Lymphatic capillaries and blood capillaries are open at both ends.

Answer 8

False

Question 9

closely associated with the cardiovascular system & includes a network of vessels that assist in the circulation of body fluids

Answer 9

Lymphamatic system

Question 10

fluid in the lymphatic vessels

Answer 10

Lymph

Question 11

fluid accumulating in tissue spaces

Answer 11

Edema

Question 12

microscopic, blind-ended vessels in which excess interstitial fluid first enters the lymphatic system

Answer 12

Lymphatic capillaries

Question 13

How do capillaries drain

Answer 13

lymphatic collecting vessels–>larger lymphatic trunks–>collecting ducts–>subclavian veins

Question 14

provides drainage for the entire body except for the right upper quadrant

Answer 14

Thoracic duct

Question 15

thoracic duct connects to

Answer 15

the left subclavian duct

Question 16

right lymphatic duct drains

Answer 16

only the right upper quadrant into the R subclavian vein

Question 17

lymph nodes are majorly in 2 regions, they are

Answer 17

Axillary inguinal

Question 18

lymph nodes contain

Answer 18

concentrations of lymphocytes & macrophagesthat cleanse the lymph & activate an immune response

Question 19

major production site of white blood cells

Answer 19

Red bone marrow

Question 20

location of T lymphocyte maturation

Answer 20

Thymus

Question 21

largest lymphatic organ

contains large numbers of red blood cells, lymphocytes, & macrophages

Answer 21

Spleen

Question 22

collect lymph from microscopic lymphatic capillaries

Answer 22

Lymphatic collecting vessels

Question 23

bean shaped organs that cleanse lymph & activate immue response

Answer 23

Lymph nodes

Question 24

collect lymph from lymphatic collecting vessels

Answer 24

Lymphatic trunk

Question 25

inferior expanded sax of thoracic duct where fatty intestinal lymph collects

Answer 25

cisterna chyli

Question 26

receive lymph from collecting ducts

Answer 26

Subclavian veins

Question 27

Lymphatic pathways begin as Lymphatic ___ that merge to form lymphatic collecting vessels

Answer 27

Capillaries

Question 28

Lymph drainage from collecting ducts enters the ___ veins.

Answer 28

Subclavial

Question 29

Once tissue (interstitial) fluid is inside the lymph capillary, the fluid is called

Answer 29

Lymph

Question 30

Lymphatic vessels contain ___ that help prevent back flow of lymph

Answer 30

Valves

Question 31

lymphatic vessels usually lead to lymph ___ that filter the fluid being transported

Answer 31

Nodes

Question 32

The ____ is larger & longer of the 2 lymphatic collecting ducts

Answer 32

Thoracic lymphatic duct

Question 33

Lymph nodes contain large numbers of white blood cells called ____ & macrophages that fight invading organisms

Answer 33

Lymphocytes

Question 34

The indented region where blood vessels and nerves join a lymph node is called the ____

Answer 34

Hilum

Question 35

Lymph ___ that contain germinal centers are the structured units of a lymph node

Answer 35

Nodules

Question 36

The spaces within a lymph node are called lymph ___ through which lymph circulates

Answer 36

Sinuses

Question 37

Lymph enters a node through a(n) ___ lymphatic vessel

Answer 37

Afferent

Question 38

The lymph nodes associated with the lymphatic vessels that drain the lower limbs are located in the ___ region

Answer 38

Inguinal region

Question 39

The thymus is located in the ___, anterior to the aortic arch.

Answer 39

Mediastinum

Question 40

The ___ is very large in a child & will atrophy in advanced age.

Answer 40

Thymus

Question 41

The _____ is the largest of the lymphatic organs.

Answer 41

Spleen

Question 42

A ______ of connective tissue surrounds the spleen

Answer 42

Capsule

Question 43

The tiny islands (nodules) of tissue within the spleen that contain many lymphocytes comprise the _____ pulp.

Answer 43

White

Question 44

The ____ pulp of the spleen contains large numbers of RBC's, lymphocytes, and macrophages.

Answer 44

Red

Question 45

________ within the spleen engulf and destroy foreign particles and cellular debris.

Answer 45

Macrophages

Question 46

The lymphoid organs in the pharynx (throat) that often are infection sites in children are collectively called ______.

Answer 46

Tonsils