by Avril Almeida
The sphenoid bone, often referred to as the ‘keystone’ of the cranial floor, plays a pivotal role in the structure and function of the skull. Its intricate shape and connections with other bones make it a fascinating subject of study. Prepare to engage with questions that will test your knowledge and deepen your appreciation for this essential component of human anatomy. Good luck, and may your understanding of the sphenoid bone be as solid as the bone itself!
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Sphenoid Bone Quiz Questions Overview
1. Which part of the sphenoid bone houses the pituitary gland?
Sella turcica
Pterygoid process
Greater wing
Lesser wing
2. The sphenoid bone articulates with how many other bones in the skull?
5
8
12
14
3. Which of the following is NOT a part of the sphenoid bone?
Greater wing
Lesser wing
Optic canal
Mastoid process
4. What is the function of the pterygoid processes of the sphenoid bone?
Support the brain
Form the nasal septum
Provide attachment for jaw muscles
House the optic nerve
5. Which cranial nerve passes through the optic canal of the sphenoid bone?
Olfactory nerve
Optic nerve
Oculomotor nerve
Trigeminal nerve
6. The sphenoid bone contributes to the formation of which part of the skull?
Anterior cranial fossa
Middle cranial fossa
Posterior cranial fossa
Nasal cavity
7. Which part of the sphenoid bone forms a part of the orbit?
Greater wing
Lesser wing
Body
Pterygoid process
8. The foramen rotundum is located in which part of the sphenoid bone?
Greater wing
Lesser wing
Body
Pterygoid process
9. Which structure passes through the superior orbital fissure of the sphenoid bone?
Optic nerve
Oculomotor nerve
Facial nerve
Hypoglossal nerve
10. Which part of the sphenoid bone is involved in the formation of the nasal septum?
Greater wing
Lesser wing
Pterygoid process
Body
11. Which of the following foramina is NOT found in the sphenoid bone?
Foramen rotundum
Foramen ovale
Foramen spinosum
Foramen magnum
12. The sphenoid sinus is located within which part of the sphenoid bone?
Greater wing
Lesser wing
Body
Pterygoid process
13. Which bone does NOT articulate with the sphenoid bone?
Frontal bone
Parietal bone
Temporal bone
Mandible
14. The clinoid processes are part of which bone?
Frontal bone
Ethmoid bone
Sphenoid bone
Temporal bone
15. Which part of the sphenoid bone forms the posterior part of the orbit?
Greater wing
Lesser wing
Body
Pterygoid process
16. Which of the following structures does NOT pass through the superior orbital fissure?
Oculomotor nerve
Trochlear nerve
Abducens nerve
Optic nerve
17. Which anatomical feature is located at the junction of the sphenoid, frontal, parietal, and temporal bones?
Pterion
Asterion
Bregma
Lambda
We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂
