illustrated Dental Embryology Histology and Anatomy 4th Edition By Margaret J. Fehrenbach-Test Bank

Quiz For Pictured Odontogenesis Histology and Anatomy Fourth Version By Margaret J. Fehrenbach

ISBN-10: 1455776858, ISBN-13: 978-1455776856

Section 01: Facial and Cervical Areas

VARIOUS OPTIONS

1. Which facial characteristic is positioned laterally to every naris?

ANS:  B

The nares are separated by the midline nasal septum. The nares are also bounded laterally by winglike cartilaginous structures, each ala (plural, alae) of the nose. In the orbital region of the face, the eyeball and all its supporting structures are contained in the orbit of the skull, the bony eye socket. On the midline of the upper lip extending downward from the nasal septum is a vertical groove, the philtrum.

REF:   Section 1, Nasal Area, Page 2

2. The lips are defined from the surrounding skin by a transition area known as the:

ANS:  C

The vermilion zone of each lip has a darker appearance than the surrounding skin, with the lips outlined from the surrounding skin by a transition zone, the mucocutaneous junction. On the midline of the upper lip extending downward from the nasal septum is a vertical groove, the philtrum. The line of demarcation between the firmer and pinker attached gingiva and the movable and redder alveolar mucosa is the scallop-shaped mucogingival junction. The midline of the mandible is marked by the mandibular symphysis.

REF:   Section 1, Oral Area, Page 2

3. Which structure can be palpated in the front midline of the neck?

ANS:  A

Found in the front midline and inferior to the hyoid bone is the thyroid cartilage, which is the prominence of the “voice box,” or larynx. The vocal cords, or ligaments of the larynx, are attached to the posterior surface of the thyroid cartilage. The parathyroid glands are located close to or within the posterior aspect of the thyroid gland but cannot be palpated in a patient; the thyroid gland can be palpated on a patient within the midline cervical area. The large strap muscle, the sternocleidomastoid muscle, is easily palpated on each side of the neck. The submandibular salivary gland is in the neck region but not in the midline.

REF:   Section 1, Neck Areas, Page 8

4. Which statement about the zygomatic arch is true?

ANS:  D

Farther laterally to the infraorbital region is the zygomatic region, which overlies the bony support for the cheek, the zygomatic arch. The zygomatic arch extends from just below the lateral margin of the eye toward the middle part of the external ear, which is located posteriorly. Inferior to the zygomatic arch and just anterior to the external ear is the temporomandibular joint.

REF:   Section 1, Zygomatic Area, Page 2

5. One of the muscles forming the cheek is the strong _____ muscle, which is felt when a patient clenches the teeth together.

ANS:  B

The buccal region of the face is composed of the soft tissue of the cheek. The cheek forms the side of the face and is a broad area of the face between the nose, mouth, and ear. Most of the upper cheek is fleshy, mainly formed by a mass of fat and muscles. One of the muscles forming the cheek is the strong masseter muscle, which is palpated when a patient clenches the teeth together. The pterygoid muscles are also located on each side of the face near the mouth, and the temporalis is located in the temporal region.

REF:   Section 1, Buccal Area, Page 2

6. Just inferior to the zygomatic arch and just anterior to the external ear is the:

ANS:  A

Inferior to the zygomatic arch and just anterior to the external ear is the temporomandibular joint. The infraorbital region of the face is located inferior to the orbital region and lateral to the nasal region. Farther laterally is the zygomatic region, which overlies the bony support for the cheek, the zygomatic arch. The zygomatic arch extends from just below the lateral margin of the eye toward the middle part of the external ear. The chin is the major feature of the mental region of the face; the bone underlying the mental region is the mandible, or lower jaw. The parotid is located irregularly from the zygomatic arch down to the posterior border of the lower jaw.

REF:   Section 1, Zygomatic Area, Page 2

7. The _____ salivary gland is located irregularly from the zygomatic arch down to the posterior border of the lower jaw.

ANS:  A

The parotid is located irregularly from the zygomatic arch down to the posterior border of the lower jaw. Both the submandibular salivary and sublingual are in the neck region. The von Ebner refers to minor glands located deep to the circumvallate lingual papillae on the dorsal surface of the tongue.

REF:   Section 1, Buccal Area, Page 2

8. The _____ extends from just below the lateral margin of the eye toward the middle part of the external ear.

ANS:  B

The zygomatic arch extends from just below the lateral margin of the eye toward the middle part of the external ear. Inferior to the zygomatic arch and just anterior to the external ear is the temporomandibular joint. The upper and lower lips meet at each corner of the mouth at the labial commissure. The infraorbital region of the face is located inferior to the orbital region and lateral to the nasal region.

REF:   Section 1, Zygomatic Area, Page 2

9. The main feature of the _____ region of the face is the external nose.

ANS:  C

The main feature of the nasal region of the face is the external nose. The infraorbital region of the face is located inferior to the orbital region and lateral to the nasal region. Farther laterally is the zygomatic region, which overlies the bony support for the cheek, the zygomatic arch. The temporal region is on the lateral side of the head at the temple.

REF:   Section 1, Nasal Area, Page 1

10. Which orofacial structure is located in the midline of the face or neck?

ANS:  A

On the midline of the upper lip extending downward from the nasal septum is a vertical groove, the philtrum. The submandibular can also be palpated in a patient in the neck region but not in the midline. Inferior to the apex on each side of the nose is a nostril, or naris (plural, nares). The nares are also bounded laterally by winglike cartilaginous structures, each ala (plural, alae) of the nose. The parotid is located irregularly from the zygomatic arch down to the posterior border of the lower jaw and not in the midline.

REF:   Section 1, Oral Area, Page 2

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