Quiz on anatomy of the orbit

Which bone forms the roof of the orbital cavity?

• Maxilla

• Sphenoid bone

• Ethmoid bone

• Zygomatic bone

What is the role of the trochlear fovea in the eye socket?

• Supporting the eyeball

• Protecting the optic nerve

• Attaching the trochlea

• Aiding in tear formation

Which nerve supplies the superior oblique muscle in the orbit?

• Maxillary nerve

• Abducent nerve

• Trochlear nerve

• Oculomotor nerve

What is the role of the ciliary muscle in the eye during a biology exam?

• Dilation of the pupil

• Constriction of the pupil

• Movement of the eyeball

• Accommodation to near vision

Which nerve carries parasympathetic fibers to the ciliary ganglion?

• Trochlear nerve

• Abducent nerve

• Maxillary nerve

• Oculomotor nerve

What is the main artery that supplies blood to the heart?

• Coronary artery

• Pulmonary artery

• Carotid artery

• Renal artery

Where does the nasolacrimal duct open into?

• Nasal septum

• Superior meatus of the nose

• Middle meatus of the nose

• Inferior meatus of the nose

Which ligament supports the eyeball from below?

• Suspensory ligament

• Lateral check ligament

• Orbital septum

• Medial check ligament

What is the role of the lacrimal caruncle in the lacrimal system?

• Drainage of tears

• Production of tears

• Protection of the eye

• Secretion of mucus

Which nerve supplies the lower eyelid?

• Ophthalmic nerve

• Maxillary nerve

• Facial nerve

• Trochlear nerve