Muscles of Head & Trunk Quiz

What do the arrows in the diagram indicate?

• Muscle size

• Muscle strength

• Direction of pull of the muscles

• Muscle density

What is the role of the digastric muscles?

• Opening the jaw

• Closing the jaw

• Moving the jaw side to side

• Stabilizing the jaw

What is a symptom of Idiopathic Trigeminal Neuropathy according to the material?

• Inability to close the jaw

• Excessive salivation

• Swelling of the tongue

• Loss of taste

What is the function of the rectus muscle in the eye?

• To focus light

• To move the eyeball

• To produce tears

• To detect color

Which muscle is involved in the dorsal movement of the eye?

• Dorsal oblique

• Ventral rectus

• Medial rectus

• Lateral rectus

Do eyeballs move independently?

• Yes

• No

• Sometimes

• Only in certain conditions

What does the term "abduction" refer to in muscle movement?

• Moving away from the midline

• Moving towards the midline

• Rotating upwards

• Rotating downwards

What do the dorsal and ventral oblique muscles do to the globe?

• Elevate the globe

• Depress the globe

• Rotate the globe

• Stabilize the globe

What is the primary action of the dorsal oblique muscle?

• Elevates the eye

• Rotates the eye towards the nose

• Depresses the eye

• Rotates the eye away from the nose

Which muscle is associated with the palpebral branch of the facial nerve?

• Levator anguli oculi medialis

• Orbicularis oculi

• Frontalis

• Sphincter colli profundus