Question

which two fontanelles form along the sagittal suture?
posterior and sphenoidal
posterior and mastoid
anterior and sphenoidal
anterior and mastoid
anterior and posterior

Explanation:

The sagittal suture runs from the anterior (front - most) fontanelle to the posterior (back - most) fontanelle in an infant's skull. The other fontanelles like sphenoidal and mastoid are located at different positions and not along the sagittal suture.

Answer:

E. anterior and posterior