PORTAGE LEARNING: SKELETAL SYSTEM
TERMINOLOGY LATEST EXAM 2025-2026
QUESTIONS AND VERIFIED ANSWERS
ALREADY GRADED A+
What is the function of the flat bones?
produce red blood cells; protection of internal organs (skull
protects the brain)
Describe the shape of a long bone and what its design allows
long and thin; designed to support body weight and enable
movement
Name the 5 basic bone shapes
long, flat, short, irregular and sesamoid
What term best describes a hollow chamber in bone, usually
filled with air?
sinus
True or false: a sulcus is a raised ridge in bone
False
A sulcus is a depression of a bone
What division of the skeleton lies along the midline?
axial
True or false: fontanelles are present in adults
,False
Fontanelles are closed by age 2.
what 2 bones of the cranium lie primarily within the skull?
the sphenoid and ethmoid bones
True or false: the frontal bone is a paired bone of the cranium
false
Which bone contains the foramen magnum?
occipital bone
What is the purpose of the foramen magnum?
The spinal cord passes to become the brain stem
Review bone landmarks on the occipital bone.
Sinusitis is an infection of the _______________.
sinuses
The 5 basic bone shapes
long bone (humerus)
short bone (carpals)
flat bone (frontal bone)
irregular bone (vertebra)
Sesamoid bone (patella)
long bones
long and thin, designed to support body weight and enable
movement
example: humerus, ulna, radius, tibia, fibula, metacarpals, and
metatarsals
, flat bones
form the roof of the skull to protect the brain
example: cranium
short bones
small and cube-shaped
example: carpals in the hand and tarsals in the foot
irregular bones
varied in structure with ridges or irregular surfaces
example: vertebrae, pelvic bones (ilium, ischium and pubis)
sesamoid bones
small and round, reinforcing tendons
example: patella
foramen, canal, fissure
openings in bone to allow for nerves, blood supply, or a
passageway
sinus
hollow chamber in bone, usually filled with air
process, ramus
elevations in bone
trochanter, tuberosity, tubercle, crest, line, spine
processes or projections for tendon or ligament attachment
head, neck, condyle, trochlea, facet
processes designed for articulation with adjacent bones
fossa, sulcus
depressions in bone
TERMINOLOGY LATEST EXAM 2025-2026
QUESTIONS AND VERIFIED ANSWERS
ALREADY GRADED A+
What is the function of the flat bones?
produce red blood cells; protection of internal organs (skull
protects the brain)
Describe the shape of a long bone and what its design allows
long and thin; designed to support body weight and enable
movement
Name the 5 basic bone shapes
long, flat, short, irregular and sesamoid
What term best describes a hollow chamber in bone, usually
filled with air?
sinus
True or false: a sulcus is a raised ridge in bone
False
A sulcus is a depression of a bone
What division of the skeleton lies along the midline?
axial
True or false: fontanelles are present in adults
,False
Fontanelles are closed by age 2.
what 2 bones of the cranium lie primarily within the skull?
the sphenoid and ethmoid bones
True or false: the frontal bone is a paired bone of the cranium
false
Which bone contains the foramen magnum?
occipital bone
What is the purpose of the foramen magnum?
The spinal cord passes to become the brain stem
Review bone landmarks on the occipital bone.
Sinusitis is an infection of the _______________.
sinuses
The 5 basic bone shapes
long bone (humerus)
short bone (carpals)
flat bone (frontal bone)
irregular bone (vertebra)
Sesamoid bone (patella)
long bones
long and thin, designed to support body weight and enable
movement
example: humerus, ulna, radius, tibia, fibula, metacarpals, and
metatarsals
, flat bones
form the roof of the skull to protect the brain
example: cranium
short bones
small and cube-shaped
example: carpals in the hand and tarsals in the foot
irregular bones
varied in structure with ridges or irregular surfaces
example: vertebrae, pelvic bones (ilium, ischium and pubis)
sesamoid bones
small and round, reinforcing tendons
example: patella
foramen, canal, fissure
openings in bone to allow for nerves, blood supply, or a
passageway
sinus
hollow chamber in bone, usually filled with air
process, ramus
elevations in bone
trochanter, tuberosity, tubercle, crest, line, spine
processes or projections for tendon or ligament attachment
head, neck, condyle, trochlea, facet
processes designed for articulation with adjacent bones
fossa, sulcus
depressions in bone
