BIOD 151 Module 4 Exam Review Answer Key (Portage
learning)UPDATED 2022
What is the function of the flat bones? - ANSWER: Produce red blood cells;
protection of internal organs (skull protects the brain).
Describe the shape of a long bone and what its design allows. - ANSWER: Long and
thin; designed to support body weight and enable movement
Name the five basic bone shapes. - ANSWER: Long, flat, short, irregular, and
sesamoid.
What term best describes a hollow chamber in bone, usually filled with air? -
ANSWER: Sinus
What two bones of the cranium lie primarily within the skull? - ANSWER: Sphenoid
and ethmoid
Which bone contains the foramen magnum? - ANSWER: Occipital
What is the purpose of the foramen magnum? - ANSWER: Spinal cord passes to
become the brainstem
What is the function of the nasal conchae? - ANSWER: The nasal conchae act to swirl
the air as it is breathed in through the nasal passages, helping to warm and humidify
the air before it enters the lower respiratory system.
What are the only unpaired bones of the facial skeleton? - ANSWER: The mandible
and the vomer
What bone forms the anterior portion of the hard palate? - ANSWER: The maxilla
True or False: A typical thoracic vertebra has a bifid spinous process. - ANSWER:
False; C2-C4 do
What is the purpose of transverse foramina in cervical spinal vertebrae? - ANSWER:
Passage of vertebral arteries and veins
What region of the spine contains costal facets and what is their purpose? -
ANSWER: Thoracic; for articulation with ribs
Which region of the spine has the largest vertebral bodies? - ANSWER: Lumbar
The line along the midline of the sacrum is called the - ANSWER: Medial sacral crest
learning)UPDATED 2022
What is the function of the flat bones? - ANSWER: Produce red blood cells;
protection of internal organs (skull protects the brain).
Describe the shape of a long bone and what its design allows. - ANSWER: Long and
thin; designed to support body weight and enable movement
Name the five basic bone shapes. - ANSWER: Long, flat, short, irregular, and
sesamoid.
What term best describes a hollow chamber in bone, usually filled with air? -
ANSWER: Sinus
What two bones of the cranium lie primarily within the skull? - ANSWER: Sphenoid
and ethmoid
Which bone contains the foramen magnum? - ANSWER: Occipital
What is the purpose of the foramen magnum? - ANSWER: Spinal cord passes to
become the brainstem
What is the function of the nasal conchae? - ANSWER: The nasal conchae act to swirl
the air as it is breathed in through the nasal passages, helping to warm and humidify
the air before it enters the lower respiratory system.
What are the only unpaired bones of the facial skeleton? - ANSWER: The mandible
and the vomer
What bone forms the anterior portion of the hard palate? - ANSWER: The maxilla
True or False: A typical thoracic vertebra has a bifid spinous process. - ANSWER:
False; C2-C4 do
What is the purpose of transverse foramina in cervical spinal vertebrae? - ANSWER:
Passage of vertebral arteries and veins
What region of the spine contains costal facets and what is their purpose? -
ANSWER: Thoracic; for articulation with ribs
Which region of the spine has the largest vertebral bodies? - ANSWER: Lumbar
The line along the midline of the sacrum is called the - ANSWER: Medial sacral crest
