Deck 10: Lymphatic System

Question 1

Which of the following is considered the MAIN role of the lymph nodes in relationship to the lymph within lymphatic vessels?

A)Filtration
B)Liquefaction
C)Disassociation
D)Oxygenation

Answer 1

A

Question 2

Which of the following structures allows lymph to flow DIRECTLY into the surrounding lymph nodes?

A)Afferent vessel
B)Efferent vessel
C)Lymphatic duct
D)Capillary

Answer 2

A

Question 3

The lymphatics are a part of the immune system,and they help fight disease processes.Another component of the lymphatic system is the thymus gland because it works within the immune system.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Answer 3

C

Question 4

Which of the following lymph nodes can be effectively palpated during an extraoral examination by having the patient turn his or her head to the side?

A)Superficial cervical lymph nodes
B)Anterior jugular lymph nodes
C)Inferior cervical lymph nodes
D)Occipital lymph nodes

Question 5

Which of the following terms BEST describes the process in lymph nodes when a patient has a disease process active in a region,such as cancer or infection,by increasing in size and changing the consistency of the lymphoid tissue?

A)Lymphosarcoma
B)Lymphangitis
C)Lymphedema
D)Lymphadenopathy

Question 6

Which of the following lymph nodes are NOT considered to be superficial lymph nodes located in the head?

A)Occipital lymph nodes
B)Retropharyngeal lymph nodes
C)Retroauricular lymph nodes
D)Facial lymph nodes
E)NEITHER the statement NOR the reason is correct.

Question 7

Which of the teeth listed below,when infected,do NOT initially drain into the submandibular lymph nodes but into another group of lymph nodes?

A)Maxillary anterior teeth
B)Maxillary first and second molars
C)Maxillary premolars
D)Maxillary third molars

Question 8

What is another term for external jugular lymph nodes?

A)Superficial cervical nodes
B)Suprahyoid lymph nodes
C)Anterior cervical nodes
D)Mastoid glands
E)NEITHER the statement NOR the reason is correct.

Question 9

The palatine tonsil is located in the oral cavity between the posterior faucial pillar and which of the following structures?

A)Posterior wall of the nasopharynx
B)Anterior faucial pillar
C)Uvula
D)Soft palate

Question 10

MOST lymph from the head and neck ultimately drains through which group of lymph nodes?

A)Superior deep cervical nodes
B)External jugular nodes
C)Inferior deep cervical nodes
D)Anterior cervical nodes
E)Occipital glands

Question 11

Unlike capillaries,lymphatic vessels have valves similar to many veins.These valves ensure a one-way flow of lymph through the lymphatic vessel.

A)Both the statement and the reason are correct and related.
B)Both the statement and the reason are correct but NOT related.
C)The statement is correct,but the reason is NOT.
D)The statement is NOT correct,but the reason is correct.

Question 12

The occipital lymph nodes can be palpated during the extraoral examination by asking the patient to tilt his or her head to the left and then to the right with the chin upward BECAUSE the occipital lymph nodes empty into the inferior deep cervical nodes of the neck.

A)Both the statement and the reason are correct and related.
B)Both the statement and the reason are correct but NOT related.
C)The statement is correct,but the reason is NOT.
D)The statement is NOT correct,but the reason is correct.

Question 13

The submandibular lymph nodes are located at the inferior border of the mandibular ramus,just superficial to the submandibular salivary gland and within the submandibular fascial space.These nodes drain the cheeks,upper lip,body of the tongue,and anterior hard palate,as well as the mandibular incisors and maxillary third molars.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Question 14

The lymphatics of the right side of the head and the neck converge by way of the right jugular trunk.These lymphatics then join the lymphatics from the right arm and thorax to form the thoracic duct.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.
E)NEITHER the statement NOR the reason is correct.

Question 15

A dental professional needs to check carefully for any palpable nodes of the head and neck during an extraoral examination BECAUSE the palpable lymph nodes may help determine where a disease process is active.

A)Both the statement and the reason are correct and related.
B)Both the statement and the reason are correct but NOT related.
C)The statement is correct,but the reason is NOT.
D)The statement is NOT correct,but the reason is correct.

Question 16

The retroauricular lymph nodes are also known by which of the following terms?

A)Mastoid lymph nodes
B)Facial lymph nodes
C)Deep parotid lymph nodes
D)Retropharyngeal lymph nodes

Question 17

What is the term used to denote the spread of cancer from the original or primary site of the tumor to another secondary site?

A)Miosis
B)Metastasis
C)Mitosis
D)Mydriasis

Question 18

Which of the following signs or symptoms listed below CANNOT be used to describe a lymph node involved in cancer?

A)Bony hard
B)Nonmotile
C)NOT tender
D)Mobile

Question 19

Tonsils are masses of lymphoid tissue located in the oral cavity and pharynx.Like lymph nodes,tonsils are located along lymphatic vessels.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.
E)Pterygomandibular fold

Question 20

In healthy patients,lymph nodes are usually small,soft,and free or mobile in the surrounding tissue.Therefore lymph nodes can be easily visualized or palpable during an extraoral examination of a healthy patient.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Question 21

From the following list of descriptions,select those that can be used to CORRECTLY describe tonsillar tissue.(Select all that apply. )

A)Located in pharynx
B)Drains into superior deep cervical lymph nodes
C)Masses of tissue in oral cavity
D)Found along lymphatic vessels

Question 22

From the following list of lymph nodes,select those that are categorized as facial lymph nodes.(Select all that apply. )

A)Malar lymph nodes
B)Buccal lymph nodes
C)Anterior auricular lymph nodes
D)Retroauricular lymph nodes

Question 23

Lymph from a particular tissue region drains into a secondary node,regional node,or master node.Secondary nodes,in turn,drain into a primary node or central node.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.
E)NEITHER the statement NOR the reason is correct.

Question 24

MATCHING
Match the following cervical lymph nodes to their CORRECT cervical lymph node level as used by the medical community.
a.Level I,Sublevel A
b.Level II,Sublevel B
c.Level II
d.Levels II to V
Submental lymph nodes

Question 25

From the following list of descriptions,select those that can be used to CORRECTLY describe the jugulo-omohyoid lymph node.(Select all that apply. )

A)Superior deep cervical lymph node
B)Drains parts of tongue
C)Drains submental region
D)Inferior deep cervical lymph node
E)Drains into the jugulodigastric lymph node

Question 26

From the following list of descriptions,select those that can CORRECTLY be used to describe the lymphatic system or its components,including the vessels and the nodes.(Select all that apply. )

A)Mainly parallels nervous system
B)Only superficial in location
C)No part visualized in healthy patients
D)Has valves for one-way flow

Question 27

The retroauricular,anterior auricular,and superficial parotid nodes drain the external ear,lacrimal gland,and adjacent regions of the scalp and face.All of these nodes empty into the submandibular lymph nodes.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Question 28

MATCHING
Match the following cervical lymph nodes to their CORRECT cervical lymph node level as used by the medical community.
a.Level I,Sublevel A
b.Level II,Sublevel B
c.Level II
d.Levels II to V
Jugulodigastric lymph node

Question 29

The dental professional needs to remember that the lymph nodes NEVER drain other structures of the head and neck but only the teeth and associated structures.A patient may need a referral when lymph nodes are palpable due to a disease process.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Question 30

MATCHING
Match the following cervical lymph nodes to their CORRECT cervical lymph node level as used by the medical community.
a.Level I,Sublevel A
b.Level II,Sublevel B
c.Level II
d.Levels II to V
Deep cervical lymph nodes

Question 31

The lymph nodes of the head are located in either a superficial or a deep position relative to the surrounding tissue.All nodes of the head drain either the right or left tissue,structures,or organs in each region.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Question 32

Place the following steps in the CORRECT order suggested that should be included in a clinically effective extraoral examination of the facial lymph nodes.

A)Bilaterally palpate the angle of the mandible
B)Bilaterally palpate the infraorbital region
C)Bilaterally palpate the labial commissure
D)Bilaterally palpate the submandibular region

Question 33

Which of the following statements are CORRECT when applied to the cervical lymph node levels used by the medical community? (Select all that apply. )

A)Designated by Roman numerals for each area
B)Decrease in numbers as they become located nearer the chest
C)Classification based on imaging
D)Associated sublevels are included
E)Usually nodes with cancer are not as tender to palpation

Question 34

Which of the following need to be present for any lymph nodes to be considered palpable on your patient with a history of hepatitis B? (Select all that apply. )

A)May have undergone fibrosis from the past infection
B)May be actively undergoing lymphadenopathy
C)Must each be approximately larger than 5 mm in diameter
D)Have increased number of lymphocytes

Question 35

From the following list of lymph nodes,select those that are categorized as superficial cervical lymph nodes.(Select all that apply. )

A)Retropharyngeal lymph nodes
B)Jugulodigastric lymph node
C)External jugular lymph nodes
D)Anterior jugular lymph nodes

Question 36

From the following list of descriptions,select those that can be used to CORRECTLY describe cancer and its involvement with the lymph nodes.(Select all that apply. )

A)Nodes mainly aid in the spread of sarcomas
B)Spread of a cancer from primary site is considered metastasis
C)Nodes involved with cancer are softer than usual
D)Nodes involved with cancer may be fixed to their surroundings
E)Have increased size of each lymphocyte

Question 37

The thoracic duct is MUCH smaller than the right lymphatic duct BECAUSE it drains the lymph from the entire lower half of the body,both the right and left sides.

A)Both the statement and the reason are correct and related.
B)Both the statement and the reason are correct but NOT related.
C)The statement is correct,but the reason is NOT.
D)The statement is NOT correct,but the reason is correct.

Question 38

MATCHING
Match the following cervical lymph nodes to their CORRECT cervical lymph node level as used by the medical community.
a.Level I,Sublevel A
b.Level II,Sublevel B
c.Level II
d.Levels II to V
Submandibular lymph nodes