Intermediate Suprahyoid Muscles Quiz

Q1. Where does the anterior belly of digastric originate?

• Styloid process
• Superior nuchal line
• Digastric fossa of the mandible
• Mastoid notch

Q2. Where does the posterior belly of digastric originate?

• Thyroid cartilage
• Mylohyoid line
• Mastoid notch of the temporal bone
• Mental spine of the mandible

Q3. How is the digastric intermediate tendon related to the hyoid?

• It inserts into the thyroid cartilage
• It passes through the hyoid medullary cavity
• It is tethered to the hyoid by a fibrous sling
• It lies within the carotid artery

Q4. Which nerve supplies the anterior belly of digastric?

• Nerve to mylohyoid from V3
• Glossopharyngeal nerve
• C1 fibers with the hypoglossal nerve
• Facial nerve

Q5. Which nerve supplies the posterior belly of digastric?

• Hypoglossal nerve
• Facial nerve
• Mandibular nerve through the nerve to mylohyoid
• Ansa cervicalis

Q6. Which nerve fibers provide motor innervation to geniohyoid?

• C2-C3 fibers through the ansa cervicalis
• Facial nerve fibers
• Glossopharyngeal nerve fibers
• C1 fibers traveling with the hypoglossal nerve

Q7. Where does mylohyoid originate?

• Mylohyoid line of the mandible
• Mastoid process
• Oblique line of the thyroid cartilage
• Styloid process

Q8. Where do most mylohyoid fibers insert?

• Clavicle and first rib
• Mastoid process and occipital bone
• Cricoid cartilage and trachea
• Median raphe and body of the hyoid

Q9. What happens to the hyoid when geniohyoid contracts with the mandible fixed?

• It rotates around the clavicle
• It moves directly posteriorly
• It is depressed toward the sternum
• It moves anterosuperiorly

Q10. Which anatomical triangle is bounded by the anterior and posterior bellies of digastric and the inferior border of the mandible?

• Submandibular triangle
• Omoclavicular triangle
• Carotid triangle
• Muscular triangle