Module 13 Flashcards
The body part of the feuts with the largest diameter
Head
What are the structures
Bones
Fontanelles
Sutures
Its ability to fit depends on its structure and its allignment with the pelvis
Head
Cranium is composed of how many bones ??
8 bones
What are the 8 bones in the cranium
Frontal
Parietal (2)
Occipital
Sphenoid
Ethnoid
Temporal (2)
Fibrous joints connecting the bones in the skull
Cranial sutures
Allowing the bones to move and overlap
Molding
Joints the 2 parietal bones
Sagittal suture
Line of juncture of the frontal bones and the 2 parietal bones
Coronal suture
Lines of juncture of the frontal and 2 parietal
Coronal suture
Juncture of the occipital bone and 2 parietal bones
Lambdoid Sutures
Join 2 parietal bones
Sagittal suture
Membrane covered spaces found at the juncture of the main suture lines
Fontanelle
Junction of the coronal and sagittal sutures
Anterior fontanelle (bregma)
Another term for anterior fontanelle
Bregma
What is the shape of Anterior Fontanelle
Diamond shape
What is the shape of Posterior Fontanelle
Triangular
Junction of the lambdoidal and sagittal sutures
Posterior fontanelle (Lambda)
Anterior fontanelle closes at _____
18 months
Posterior fontanelle closes at _____
2-3 months
The space between fontanelles
Vertex
Change in the shape of the fetal skull
Molding
Molding last only for how many days
Only a day or two days
What are the diameters of the pelvis??
Suboccipitobregmatic diameter
Occipitofrontal diameter
Occipitomental diameter
The narrowest diameter
Suboccipitobregmatic diameter
The widest diameter
Occipitomental diameter
What is the size for suboccipitobregmatic diameter
9 cm
What is the size for occipitomental diameter
13.5 cm
What is the size for occipitofrontal diameter
12 cm
From the inferior aspect of the occiput to the center of the anterior fontanelle
Suboccipitobregmatic diameter
Messured from the bridge of the nose to the occipital
Occipitofrontal diameter
Measured from the chin to the posterior fontanelle
Occipitomental
Head reflexes sharply that the chin rest on thorax
Full flexion
What flexion: head is hyperextended
Poor flexion
What is the flexion of suboccipitobregmatic diameter
Complete flexion
What is the flexion of occipitofrontal diameter
Moderate flexion
What is the flexion of occipitomental diameter
Poor flexion
Describes the degree of flexion a fetud assumes during labor
Fetal attitude
What are the 4 types of fetal attitude
- Normal or good attitude
- Moderate flexion
- Partial extension
- Complete extension