Asked by Pooja Shirke on Sep 22, 2024
Verified
All of the following are fontanels in the fetal skull except the ________ fontanel.
A) ethmoid
B) sphenoidal
C) anterior
D) mastoid
E) posterior
Fontanels
Soft, membranous gaps between the cranial bones of an infant's skull that facilitate birth and brain growth.
Fetal Skull
The developing skull of a fetus, characterized by soft spots known as fontanels, which allow for growth and flexibility during birth.
Ethmoid
A lightweight, spongy bone located at the root of the nose between the eyes, forming part of the cranial floor and part of the nasal cavity and eye orbits.
- Distinguish and detail the distinct fontanels found within the skull of fetuses and infants.
Verified Answer
NC
Nathan Chandra7 days ago
Final Answer :
A
Explanation :
The ethmoid fontanel does not exist; fontanels are the soft spots on a baby's skull where the bones have not yet fused together. The sphenoidal, anterior, mastoid, and posterior fontanels are all actual fontanels found in the fetal skull.
Learning Objectives
- Distinguish and detail the distinct fontanels found within the skull of fetuses and infants.