Hyoid bone

The video tutorial provides an in-depth look at the hyoid bone, a unique U-shaped bone in the anterior neck that does not articulate with any other bones. It covers the bone's anatomy, including its body, greater and lesser horns, and its role as an attachment point for muscles. The tutorial also explores adjacent cartilaginous structures like the thyroid and cricoid cartilages, as well as membranes and ligaments associated with the hyoid. It discusses muscles that attach to the hyoid, both superior and inferior, and concludes with a discussion on hyoid bone fractures, their causes, and implications for swallowing and airway obstruction.

What is unique about the hyoid bone compared to other bones in the human skeleton?

• It does not articulate with any other bones.

• It is the only bone that can regenerate.

• It is the most fragile bone in the body.

• It is the largest bone in the body.

Which part of the hyoid bone is described as having a postero-superior concave form?

• The greater horns

• The lesser horns

• The body

• The styloid process

What is the function of the cricoid cartilage in the larynx?

• It forms the laryngeal prominence.

• It is the only complete ring of cartilage.

• It supports the vocal cords.

• It connects to the thyroid cartilage.

Which membrane connects the hyoid bone to the thyroid cartilage?

• Cricothyroid membrane

• Thyrohyoid membrane

• Stylohyoid membrane

• Epiglottic membrane

What is the role of the stylohyoid ligament?

• Supports the epiglottis

• Connects the hyoid bone to the thyroid cartilage

• Suspends the hyoid bone in the neck

• Connects the cricoid cartilage to the thyroid cartilage

What is the primary action of the mylohyoid muscle?

• Depresses the tongue

• Elevates the hyoid bone

• Depresses the hyoid bone

• Elevates the thyroid cartilage

Which muscle is known as the 'singer's muscle' due to its role in tensing the vocal cords?

• Cricothyroid muscle

• Mylohyoid muscle

• Geniohyoid muscle

• Omohyoid muscle

Which muscle group is located superior to the hyoid bone?

• Infrahyoid muscles

• Suprahyoid muscles

• Thyrohyoid muscles

• Cricothyroid muscles

What is a potential consequence of a hyoid bone fracture?

• Enhanced neck flexibility

• Improved breathing efficiency

• Increased vocal range

• Difficulty in swallowing

Which muscle depresses the hyoid bone after swallowing?

• Geniohyoid

• Sternohyoid

• Hyoglossus

• Stylohyoid