26 Questions
Which suture divides the frontal and parietal bones?
Coronal suture
Which of the following nerves pass through the superior orbital fissure?
All of the above
What is the function of the cavernous sinus?
All of the above
What is the purpose of the foramen magnum?
To transmit the medulla oblongata and its surrounding meninges
What is the function of the lambdoid suture?
To divide the occipital and parietal bones
What is the name of the thinnest part of the lateral wall of the skull?
Pterion
Which of the following is NOT a part of the hindbrain?
Cerebrum
What is the function of the foramen ovale?
To transmit the large sensory root and small motor root of the mandibular nerve
Which cranial nerve is responsible for providing parasympathetic secretomotor function to the parotid gland?
CN 9
Which of the following sinuses is NOT a type of paranasal sinus?
Mastoid sinus
At what age do the metopic sutures between frontal bones usually close?
Up to 2 years
What bone forms the lateral margin of the orbit?
Zygomatic bone
Which sinus cavity is separated from the orbital cavity by the orbital plate of the maxilla?
Maxillary sinus
Which structure transmits the nasolacrimal duct?
Nasolacrimal canal
Which bone forms the roof of the orbit?
Frontal bone
Which nerve is transmitted through the infraorbital groove and canal?
Infraorbital nerve
Which nerve is responsible for 80% of eye opening?
Levator Palpebrae Superioris
What is the function of the tensor tympani muscle?
To dampen down vibrations of the tympanic membrane
What is the function of the stapedius muscle?
To dampen down vibrations of the stapes
Which cranial nerve is responsible for supplying the inferior rectus muscle?
CN 3
What is the function of the ophthalmic artery?
To supply blood to the orbit
What is the function of the lacrimal gland?
To produce tears
What is the function of the lacrimal ducts?
To drain tears into the nasal cavity
Which part of the eye does the iris divide into an anterior and posterior chamber?
Aqueous humor
What is the function of the levator palpebrae superioris muscle?
To open the eye
What is the function of the Mueller's muscle?
To open the eye
This quiz covers the bones and sutures of the human skull, including the zygomatic, maxillae, nasal, lacrimal, vomer, palatine, inferior conchae, and mandible bones, as well as important landmarks such as the glabella. Test your knowledge of skull anatomy!
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