Lymphatics (+ Circulatory system pt 2)

Question 1

Lymphatic System acts as an ”overflow” system that provides for
drainage of:

Answer 1

–Surplus tissue fluid and leaked plasma proteins to the
blood stream
–Removal of debris from cellular decomposition and
infection

Question 2

Lymphatic System: Filters bacteria, viruses, and cancer cells picked
up in ____

Answer 2

interstitial spaces

Question 3

Functions of the Lymph system: (4)

Answer 3

1) overflow system for draining
2) Filter
3) formation of defense mechanism for body
4) Absorption and transport of dietary fat

Question 4

When foreign protein is drained from an infected area,
antibodies specific to the protein are produced by ____
and dispatched to the infected area

Answer 4

immunologically competent cells and/or lymphocytes

Question 5

_____ are networks of lymphatic
capillaries that have blind openings in the interstitial
spaces of most tissues

Answer 5

Lymphatic plexuses

Question 6

Lymphatic plexuses: These vessels lack a ___ and can
easily collect fluid, proteins, bacteria, cellular debris,
and even whole cells

Answer 6

basement membrane

Question 7

Lymph has a similar composition to ___

Answer 7

blood plasma

Question 8

Lymphatic vessels drain lymph from ___
all around the body.

Answer 8

lymphatic capillaries

Question 9

T/F: Lymphatic Vessels are thick-walled and have very few valves

Answer 9

FALSE: These are thin-walled vessels with abundant lymphatic valves.

Question 10

T/F: Lymphatic Vessels are not found in teeth, bone
marrow, and entire CNS

Answer 10

TRUE

Question 11

– small masses of lymphatic tissue, are
found along the course of lymphatic vessels.

Answer 11

Lymph nodes,

Question 12

lymph
is filtered on its way to the venous system in ___

Answer 12

lymph nodes

Question 13

Multiple lymphatic vessels merge to form ___

Answer 13

lymphatic
trunks

Question 14

Multiple lymphatic trunks merge to form ___

Answer 14

lymphatic
ducts.

Question 15

two lymphatic ducts in the human body:

Answer 15

the thoracic
duct and the right lymphatic duct

Question 16

right lymphatic duct drains into:

Answer 16

right venous angle

Question 17

the thoracic
duct drains into:

Answer 17

Left venous angle

Question 18

drains lymph from Body’s upper right
quadrant, which
includes the right side
of the head, neck, and
thorax plus the right
upper limb

Answer 18

Right lymphatic duct

Question 19

drains lymph from Remainder of the body (entire
left side of body and lower
right quadrant

Answer 19

thoracic duct

Question 20

The lymphatic trunks draining
the lower half of the body
merge in the abdomen,
sometimes forming a dilated
collecting sac called the
____

Answer 20

cisterna chyli.

Question 21

where the subclavian vein meets the
internal jugular vein on each side of the body

Answer 21

Venous angle

Question 22

=
where left subclavian
vein meets left internal
jugular vein

Answer 22

Left venous angle

Question 23

The lymph will join back into venous circulation to return to the ___

Answer 23

heart

Question 24

Lymph arriving at
lymph node uses ____ vessels

Answer 24

afferent vessels

Question 25

____are circulating cells of the
immune system that react against foreign
materials

Answer 25

Lymphocytes

Question 26

Lymphocytes involves in adaptive immunity

Answer 26

T-Cells

Question 27

Lymphocytes involves in humoral immunity –> antibodies

Answer 27

B-cells

Question 28

Parts of the body that produce lymphocytes
(primary lymphoid organs):

Answer 28

• Thymus
• Red bone marrow

Question 29

Parts of the body where lymphocytes fight off
bacteria, viruses, and foreign substances
(secondary lymphoid organs):

Answer 29

–Lymph nodes
* Spleen
* Tonsils
* Solitary and aggregated lymphoid nodules in walls
of alimentary tract and appendix

Question 30

–More numerous than veins in the
subcutaneous tissue
* Anastomose freely and converge
toward and follow the venous
drainage

Answer 30

Superficial Lymphatic vessels

Question 31

Drain into deep lymphatic vessels

Answer 31

Superficial Lymphatic vessels

Question 32

–Accompany the arteries and receive
the drainage of internal organs
–Movement of lymph in ___ vessels
is like accompanying veins

Answer 32

Deep lymphatic vessels (Remember they also have valves!)

Question 33

Both superficial and deep lymphatic vessels traverse lymph nodes as they course
____, becoming larger as they merge with vessels draining adjacent regions.

Answer 33

proximally

Question 34

Both superficial and deep lymphatic vessels traverse lymph nodes as they course
proximally, becoming ___as they merge with vessels draining adjacent regions.

Answer 34

larger

Question 35

Superficial lymphatic
vessels and lymph nodes
follow ____
drainage

Answer 35

cutaneous venous

Question 36

Deep lymphatic vessels
and lymph nodes follow
____

Answer 36

muscular arteries and
accompanying veins

Question 37

Superficial and deep lymphatic vessels follow
different routes until they converge more
___

Answer 37

proximally

Question 38

located in the neck, drain
lymph fluid from the cervical lymph nodes of the
neck

Answer 38

Jugular lymph trunks

Question 39

located beneath the
clavicle, drain lymph fluid from the apical lymph
nodes around the armpit, which carry lymph from
the arms

Answer 39

Subclavian lymph trunks

Question 40

located in the
chest, drain lymph fluid from the lungs, heart,
trachea, mediastinal, and mammary glands

Answer 40

Bronchomediastinal lymph trunks,

Question 41

the lower pair of lymph
trunks that drain lymph fluid from the legs, pelvic
region, and kidneys

Answer 41

Lumbar lymph trunks

Question 42

____ is the unpaired lymph trunk
that receives chyle (lymph mixed with fats) from the
intestines. Chyle typically has a high fatty acid
content.

Answer 42

Intestinal lymph trunk

Question 43

Which lymph trunks drain into the right lymphatic duct?

Answer 43

R Subclavian, R Jugular, R bronchiomediasthinal trunk

Question 44

How do valves in lymph vessels affect flow?

Answer 44

Only allow flow in one direction

Question 45

___ occurs when lymph does not drain from an
area of the body

Answer 45

Lymphedema

Question 46

Cells loosened from the primary cancer site of epithelial tumors
can enter lymphatic vessels. Once trapped by ____,
these can become secondary (metastatic) cancer sites

Answer 46

lymph nodes

Question 47

Are cancerous lymph nodes painful when compressed?

Answer 47

No–infected nodes are