The Skeleton VSAQs.

Question 1

Name two cranial sutures and their location.

Answer 1

a) One suture representing the attachment of parietals and frontals is known as coronal suture.

b) The suture representing the attachment of parietals and occipitals is known as lambdoid suture.

Question 2

Name the keystone bone of the cranium. Where is it located?

Answer 2

a) Sphenoid is known as keystone bone of the cranium because it articulates with all other cranial bones.
b) Sphenoid is located at the middle part of the base of the skull.

Question 2

Human skull is described as dicondylic skull. Give a reason.

Answer 2

Due to the presence of two occipital condyles (one on each side of foramen magnum), the skull of man is described as dicondylic skull.

Question 3

Name the ear ossicles and their evolutionary origin in human beings.

Answer 3

1) Malleus - Articular
2) Incus - Quadrate
3) Stapes - Hyomandibular