DH 1330 quiz 11 Chapter 10

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DH 1330 quiz 11 Chapter 10
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DH 1330 quiz 11 chapter 10 lymphatic system
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  1. Which of the following structures allows lymph to flow DIRECTLY into the lymph  nodes?

    Afferent vessel
    Efferent vessel
    Lymphatic duct
    Capillary
    Afferent vessel

    The afferent vessels are a type of lymphatic vessel in which lymph flows into the lymph node
  2. 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 immune system.

    Both statements are true.

    Both statements are false.

    The first statement is true; the second is false.

    The first statement is false; the second is true
    The first statement is true; the second is false

    The first statement is true. The lymphatics are a part of the immune system, and they help fight disease processes. The second statement is false because the thymus gland is NOT a component of the lymphatic system even though it works within the immune system
  3. Which of the following is considered the MAIN role of the lymph nodes in relationship to the lymph within lymphatic vessels?

    Filtration
    Liquefaction
    Disassociation
    Oxygenation
    Filtration

    The lymph nodes are positioned along the lymphatic vessels to filter toxic products from the lymph to prevent their entry into the vascular system
  4. 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.

    Both statements are true.

    Both statements are false.

    The first statement is true; the second is false.

    The first statement is false; the second is true
    The first statement is true; the second is false.



















    • The first statement is true. The lymphatics of the right side of the head and neck converge by way of the right jugular trunk. The second statement is false. The lymphatics on the right side of the head and neck converge by way of the right jugular trunk to join the lymphatics from the right arm and thorax
    • to form the right lymphatic duct, which drains into the venous system at the junction of the right subclavian and right internal jugular veins. The lymphatic vessels of the left side of the head and neck converge into the left
    • jugular trunk, actually a short vessel, and then into the thoracic duct
  5. 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.

    Both the statement and the reason are correct and related.

    Both the statement and the reason are correct but NOT related.

    The statement is correct, but the reason is NOT.

    The statement is NOT correct, but the reason is correct.

    NEITHER the statement NOR the reason is correct
    Both the statement and the reason are correct and related.

    • The statement and the reason are correct and related. A dental professional must examine any palpable nodes of the head and neck during an extraoral examination. Palpable lymph nodes may help determine where a disease process is active. The statement and reason are also related because they both
    • focus on palpable lymph nodes which can pinpoint disease and infection through
    • signs and symptoms
  6. Which of the teeth listed below, when infected, do NOT initially drain into the submandibular lymph nodes but into another group of lymph nodes?

    Maxillary anterior teeth
    Maxillary first and second molars
    Maxillary premolars
    Maxillary third molars
    Maxillary third molars



















    The maxillary third molars initially drain into the superior deep cervical lymph nodes and then into inferior deep cervical lymph nodes and do NOT drain into the submandibular lymph nodes at any time
  7. Which of the following lymph nodes are NOT considered to be superficial lymph nodes located in the head?

    Occipital lymph nodes
    Retropharyngeal lymph nodes
    Retroauricular lymph nodes
    Facial lymph nodes
    Retropharyngeal lymph nodes

    The retropharyngeal lymph nodes are NOT considered superficial lymph nodes but, instead, deep lymph nodes of the head. These nodes are located near the deep parotid nodes and at the level of the atlas and the first cervical vertebra.
  8. 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.

    Both the statement and the reason are correct and related.

    Both the statement and the reason are correct but NOT related.

    The statement is correct, but the reason is NOT.

    The statement is NOT correct, but the reason is correct.

    NEITHER the statement NOR the reason is correct
    The statement is NOT correct, but the reason is correct

    The statement is NOT correct. The occipital lymph nodes can be palpated when the patient leans his or her head forward because the occipital lymph nodes are located bilaterally at the posterior base of the head
  9. The retroauricular lymph nodes are also known by which of the following terms?

    Mastoid lymph nodes
    Facial lymph nodes
    Deep parotid lymph nodes
    Retropharyngeal lymph nodes
    Mastoid lymph nodes

    The retroauricular lymph nodes are also known as the mastoid lymph nodes. They are located where the sternocleidomastoid muscle inserts on the mastoid process, draining the tissue posterior to the ear.
  10. The submandibular lymph nodes are located at the inferior border of the ramus of the mandible, just superficial to the  submandibular salivary gland and within the submandibular fascial space. These nodes drain the cheeks, upper lip, body of the tongue, anterior hard palate, as well as the mandibular incisors and maxillary third molars.

    Both statement are true.

    Both statements are false.

    The first statement is true; the second is false.

    The first statement is false; the second is true.
    The first statement is true; the second is false.

    The first statement is true. The  submandibular lymph nodes are located at the inferior border of the ramus of the  mandible, just superficial to the submandibular salivary gland and within the submandibular fascial space. The second statement is false. The submandibular lymph nodes drain the cheeks, upper lip, body of the tongue, anterior hard palate, and associated teeth, except the mandibular incisors and maxillary third molars.
  11. 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?

    Superficial cervical lymph nodes
    Anterior jugular lymph nodes
    Inferior cervical lymph nodes
    Occipital lymph nodes
    Anterior jugular lymph nodes

    • The anterior jugular lymph nodes can be effectively palpated by having the patient
    • turn his or her head to the side.
  12. Tonsils are masses of lymphoid tissue
    located in the oral cavity and pharynx. Like lymph nodes, tonsils are located along lymphatic vessels.

    Both statements are true.

    Both statements are false.

    The first statement is true; the second is false.

    The first statement is false; the second is true.
    The first statement is true; the second is false

    The first statement is true. Tonsils are masses of lymphoid tissue located in the oral cavity and pharynx. The second statement is false. Unlike lymph nodes, tonsils are NOT located along lymphatic vessels
  13. The palatine tonsil is located in the oral cavity between the posterior faucial pillar and which of the following structures?

    Posterior wall of the nasopharynx
    Anterior faucial pillar
    Uvula
    Soft palate
    Pterygoidmandibular fold
    Anterior faucial pillar

    The palatine tonsil is located between the anterior faucial pillar and the posterior faucial pillar
  14. 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?

    Lymphosarcoma
    Lymphangitis
    Lymphedema
    Lymphadenopathy
    Lymphadenopathy

    The lymphadenopathy is a term that  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
  15. What is the term used to denote the spread of cancer from the original or primary site of the tumor to another secondary site?

    Miosis
    Metastasis
    Mitosis
    Mydriasis
    Metastasis

    • The term metastasis denotes the spread of cancer from the original or primary site of
    • the tumor to another secondary site.
  16. Which of the following signs or symptoms listed below CANNOT be used to describe a lymph node involved in cancer?

    Bony hard
    Nonmotile
    NOT tender
    Mobile
    Mobile

    Nodes involved in cancer are NOT mobile; they can become fixed to surrounding tissue and structures, unlike those nodes involved with acute infections which are mobile
  17. MOST lymph from the head and neck
    ultimately drains through which group of lymph nodes?

    Superior deep cervical nodes
    External jugular nodes
    Inferior deep cervical nodes
    Anterior cervical nodes
    Inferior deep cervical nodes

    The inferior deep cervical nodes may be secondary nodes for the superficial lymph nodes of the head and superior deep cervical nodes
  18. What is another term for external jugular lymph nodes?

    Superficial cervical nodes
    Suprahyoid lymph nodes
    Anterior cervical nodes
    Mastoid glands
    Occipital glands
    Superficial cervical nodes

    The external jugular lymph nodes are also known as the superficial cervical nodes.
  19. Unlike capillaries, lymphatic vessels have valves similar to many veins. These valves ensure a one-way flow of lymph through the lymphatic vessel.

    Both the statement and the reason are correct and related.

    Both the statement and the reason are  correct but NOT related.

    The statement is correct, but the reason is NOT.

    The statement is NOT correct, but the reason is correct.

    NEITHER the statement NOR the reason is correct.
    Both the statement and the reason are correct and related.

    • Both the statement and the reason are correct and related. Unlike capillaries, lymphatic vessels have valves similar to many veins. These valves ensure a one-way flow
    • of lymph through the lymphatic vessel.
  20. In healthy patients, lymph nodes are usually small, soft, and free or mobile in the surrounding tissue. Therefore lymph nodes normally can be easily visualized or palpable during an extraoral examination of a healthy patient.

    Both statements are true.

    Both statements are false.

    The first statement is true; the second is false.

    The first statement is false; the second is true
    The first statement is true; the second is false.

    The first statement is true; the second is false. In healthy patients, lymph nodes are usually small, soft, and free or mobile in the surrounding tissue. Therefore lymph nodes normally CANNOT be visualized or palpable during an extraoral examination of a healthy patient
  21. Lymph from a particular tissue region drains
    drains into a secondary node, regional node, or master node. Secondary nodes, in turn, drain into a primary node or central node.

    Both statements are true.

    Both statements are false.

    The first statement is true; the second is false.

    The first statement is false; the second is true.
    Both statements are false.

    Both statements are false. Lymph from a particular tissue region drains into a primary node, regional node, or master node. Primary nodes, in turn, drain into a secondary node or central node
  22. 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).

    Both the statement and the reason are correct and related.

    Both the statement and the reason are correct but NOT related.

    The statement is correct, but the reason is NOT.

    The statement is NOT correct, but the reason is correct.

    NEITHER the statement NOR the reason is correct
    The statement is NOT correct, but the reason is correct.

    The statement is NOT correct, but the reason is correct. The thoracic duct is much larger than the right lymphatic duct because it drains the lymph from the entire lower half of the body (both the right and left sides).
  23. 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.

    Both statements are true.

    Both statements are false.

    The first statement is true; the second is false.

    The first statement is false; the second is true
    The first statement is false; the second is true

    The first statement is false; the second is  true. The dental professional needs to remember that the lymph nodes drain NOT only intraoral dental structures such as the teeth but also other structures of the head and neck. A patient may need a referral when lymph nodes are palpable due to a disease process in these other structures
  24. 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.

    Both statements are true.

    Both statements are false.

    The first statement is true; the second is false.

    The first statement is false; the second is true
    Both statements are true.

    • Both statements are true. 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
  25. 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.

    Both statements are true.

    Both statements are false.

    The first statement is true; the second is false.

    The first statement is false; the second is true
    The first statement is true; the second is false

    • The first statement is true; the second is false. 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 deep cervical lymph nodes. The submandibular nodes may be
    • secondary nodes for the submental nodes and facial regions. The lymphatic system from both the sublingual and submandibular salivary glands also drain into these nodes. The submandibular nodes then empty into the deep cervical nodes.
  26. MULTIPLE ANSWERS

    From the following list of descriptions, select those that can describe the lymphatic system or its components: the vessels or the nodes.

    Mainly parallels nervous system
    Only superficial in location
    No part visualized in healthy patients
    Has valves for one-way flow
    • No part visualized in healthy patients
    • Has valves for one-way flow
  27. MULTIPLE ANSWERS

    From the following list of lymph nodes, select those that are categorized as facial lymph nodes.

    Malar lymph nodes
    Buccal lymph nodes
    Anterior auricular lymph nodes
    Retroauricular lymph nodes
    • Malar lymph nodes
    • Buccal lymph nodes

    Both malar and buccal lymph nodes are facial lymph nodes since they are located along the length of the facial vein.
  28. MULTIPLE ANSWERS

    From the following list of lymph nodes, select those that are categorized as superficial cervical lymph nodes.

    Retropharyngeal lymph nodes
    Jugulodigastric lymph node
    External jugular lymph nodes
    Anterior jugular lymph nodes
    • External jugular lymph nodes
    • Anterior jugular lymph nodes
  29. MULTIPLE ANSWERS

    From the following list of descriptions, select those for the jugulo-omohyoid lymph node.

    Superior deep cervical lymph node
    Drains parts of tongue
    Drains submental region
    Inferior deep cervical lymph node
    • Drains parts of tongue
    • Drains submental region
    • Inferior deep cervical lymph node

    The jugulo-omohyoid lymph node drains the tongue and submental region and also is part of the inferior deep cervical lymph nodes.
  30. MULTIPLE ANSWERS

    From the following list of descriptions, select those for tonsillar tissue.

    Located in pharynx
    Drains into superior deep cervical lymph nodes
    Masses of tissue in oral cavity
    Found along lymphatic vessels
    Drains into the jugulodigastric lymph node
    • Located in pharynx
    • Drains into superior deep cervical lymph nodes
    • Masses of tissue in oral cavity
    • Drains into the jugulodigastric lymph node

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