BIO 2300 Unit 2 EXAM 2025
QUESTIONS AND ANSWERS
Frontal bone - --CORRECT ANSWER--Bone of forehead, covers the frontal lobe
Parietal bones - --CORRECT ANSWER--Bilateral bones on the top of the skull,
covering the parietal lobes
Occipital bone - --CORRECT ANSWER--Back of head, covers the occipital lobe.
Has an external occipital protuberance
Temporal bones - --CORRECT ANSWER--Lateral bones on either side of the
head, covers temporal bone. Has external auditory meatus
Sphenoid bones - --CORRECT ANSWER--Centrally located on the sides of the
skull, sphen = wedged
Ethmoid bone - --CORRECT ANSWER--The roof of the nasal cavity
Coronal suture - --CORRECT ANSWER--Connects frontal bone to parietal bones
Sagittal suture - --CORRECT ANSWER--Connects parietal bones; vertical sagittal
plane
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, Lambdoid suture - --CORRECT ANSWER--Connects parietal bones to occipital
bone, forms the greek letter lambda posteriorly
Squamous suture - --CORRECT ANSWER--Connects temporal bone to parietal
bone, located on the squamous portion of the temporal bone. Squamous = flat; i.e.
on the flat sides of the skull
Fontanelles - --CORRECT ANSWER--Soft parts of a baby's skull
Anterior fontanelle - --CORRECT ANSWER--On the anterior surface of the skull,
between frontal & parietal bones
Posterior fontanelle - --CORRECT ANSWER--On the posterior surface of the
skull, between occipital & parietal bones
Sphenoid fontanelle - --CORRECT ANSWER--Located on the sphenoid region,
in the middle of most bones of the skull; anterior to ear
Mastoid fontanelle - --CORRECT ANSWER--Located posteriorly on the mastoid
process (behind the ear), between many bones of the skull
Ramus of the mandible - --CORRECT ANSWER--Angled extension coming off
the body of the mandible
Angle of the mandible - --CORRECT ANSWER--The corner of the jaw/mandible
Body of the mandible - --CORRECT ANSWER--Larger, horizontal portion of
mandible (lower jaw)
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
QUESTIONS AND ANSWERS
Frontal bone - --CORRECT ANSWER--Bone of forehead, covers the frontal lobe
Parietal bones - --CORRECT ANSWER--Bilateral bones on the top of the skull,
covering the parietal lobes
Occipital bone - --CORRECT ANSWER--Back of head, covers the occipital lobe.
Has an external occipital protuberance
Temporal bones - --CORRECT ANSWER--Lateral bones on either side of the
head, covers temporal bone. Has external auditory meatus
Sphenoid bones - --CORRECT ANSWER--Centrally located on the sides of the
skull, sphen = wedged
Ethmoid bone - --CORRECT ANSWER--The roof of the nasal cavity
Coronal suture - --CORRECT ANSWER--Connects frontal bone to parietal bones
Sagittal suture - --CORRECT ANSWER--Connects parietal bones; vertical sagittal
plane
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, Lambdoid suture - --CORRECT ANSWER--Connects parietal bones to occipital
bone, forms the greek letter lambda posteriorly
Squamous suture - --CORRECT ANSWER--Connects temporal bone to parietal
bone, located on the squamous portion of the temporal bone. Squamous = flat; i.e.
on the flat sides of the skull
Fontanelles - --CORRECT ANSWER--Soft parts of a baby's skull
Anterior fontanelle - --CORRECT ANSWER--On the anterior surface of the skull,
between frontal & parietal bones
Posterior fontanelle - --CORRECT ANSWER--On the posterior surface of the
skull, between occipital & parietal bones
Sphenoid fontanelle - --CORRECT ANSWER--Located on the sphenoid region,
in the middle of most bones of the skull; anterior to ear
Mastoid fontanelle - --CORRECT ANSWER--Located posteriorly on the mastoid
process (behind the ear), between many bones of the skull
Ramus of the mandible - --CORRECT ANSWER--Angled extension coming off
the body of the mandible
Angle of the mandible - --CORRECT ANSWER--The corner of the jaw/mandible
Body of the mandible - --CORRECT ANSWER--Larger, horizontal portion of
mandible (lower jaw)
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
