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Free Structures of the Oral Cavity MCQs with Answers

6 Structures of the Oral Cavity MCQs from Oral Anatomy, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

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6 questions

1. Conjoint tendon is formed by _________?

  • A. External and internal oblique
  • B. External oblique and transversus abdominis
  • C. Internal obliqueConsult Online Doctors
  • D. Internal oblique and transversus abdominis

Explanation: The conjoint tendon, or inguinal falx, is formed by the fused aponeuroses of the internal oblique and transversus abdominis muscles.

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Correct answer: Internal oblique and transversus abdominis

2. Desmodont is another name for_____________?

  • A. periodontal ligament
  • B. Tooth with three walled pocket
  • C. The tooth with one wall pocket
  • D. Dehiscence

Explanation: Desmodont is the periodontal ligament, the connective-tissue attachment between cementum and alveolar bone.

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Correct answer: periodontal ligament

3. The premolar alveoli are what shape in cross section_____________?

  • A. Rectangular
  • B. Kidney shaped
  • C. Triangular
  • D. Oval

Explanation: Premolar alveoli commonly appear kidney-shaped in cross-section because the socket follows the characteristic contour and developmental…

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Correct answer: Kidney shaped

4. In which of the following areas is the alveolar process the thinnest_____________?

  • A. Lingual to the maxillary central incisors
  • B. Lingual to the maxillary canines
  • C. Buccal to the mandibular central incisors
  • D. Lingual to the mandibular first molar

Explanation: The alveolar process is especially thin on the buccal aspect of the mandibular central incisors because their roots lie close to the…

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Correct answer: Buccal to the mandibular central incisors

5. The zygomatic bone does not articulate with________________?

  • A. Frontal bone
  • B. Maxillary bone
  • C. Temporal bone
  • D. Nasal bone

Explanation: The zygomatic bone articulates with the frontal, maxillary, temporal and sphenoid bones. It has no articulation with the nasal bone.

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Correct answer: Nasal bone

6. The distance from the CEJ to the alveolar crest normally is____________?

  • A. 1 - 1.5 mm
  • B. 2 mm
  • C. 2 - 2.3 mm
  • D. 3 mm

Explanation: In a healthy periodontium, the alveolar crest lies approximately 1 to 1.5 mm apical to the CEJ.

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Correct answer: 1 - 1.5 mm
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Structures of the Oral Cavity MCQs: common questions

Are these Structures of the Oral Cavity MCQs free?

Yes. All Structures of the Oral Cavity MCQs from Oral Anatomy are free on TestUstad, with unlimited attempts and no account needed. Nothing on this page is a sample or a trial.

How many Structures of the Oral Cavity MCQs are on this page?

There are 6 Structures of the Oral Cavity MCQs in the Oral Anatomy bank, shown 20 to a page with the correct answer and an explanation on each.

Does every Structures of the Oral Cavity MCQ have an explanation?

Yes. Each Structures of the Oral Cavity question shows the correct option and a written explanation of why it is correct, so a wrong answer teaches you something rather than just being marked wrong.

Can I take a timed Structures of the Oral Cavity test?

Yes. The practice button on this page starts a free Structures of the Oral Cavity test drawn from the Oral Anatomy bank. It marks each answer instantly, gives you a score at the end, and can be retaken as many times as you like.