Beginner Posterior Cranial Fossa Quiz

Q1. Which major part of the brain occupies most of the posterior cranial fossa?

• Cerebellum
• Frontal lobe
• Pituitary gland
• Temporal lobe

Q2. Which parts of the brainstem lie within the posterior cranial fossa?

• Pons and medulla
• Midbrain and hypothalamus
• Frontal and parietal lobes
• Thalamus and hypothalamus

Q3. Which bone forms most of the posterior cranial fossa?

• Frontal bone
• Occipital bone
• Ethmoid bone
• Maxilla

Q4. Which large opening connects the posterior cranial fossa with the vertebral canal?

• Foramen magnum
• Optic canal
• Foramen rotundum
• Foramen ovale

Q5. Which sloping midline surface lies anterior to the pons and upper medulla?

• Clivus
• Mandibular fossa
• Hard palate
• Cribriform plate

Q6. Which temporal bone region contributes to the anterolateral boundary of the posterior cranial fossa?

• Petrous temporal bone
• Zygomatic process only
• Tympanic membrane
• Styloid process only

Q7. Which opening in the petrous temporal bone transmits cranial nerves VII and VIII?

• Internal acoustic meatus
• Foramen spinosum
• Carotid canal
• External acoustic meatus

Q8. Which opening transmits cranial nerves IX, X, and XI?

• Stylomastoid foramen
• Foramen rotundum
• Optic canal
• Jugular foramen

Q9. Which canal transmits cranial nerve XII?

• Facial canal
• Carotid canal
• Incisive canal
• Hypoglossal canal

Q10. Which dural fold forms a roof over much of the posterior cranial fossa?

• Falx cerebri
• Tentorium cerebelli
• Diaphragma sellae
• Pericranium