Portage Learning: A&P 1 Module 4 Correct 100%(GRADED A+)

What is the function of the flat bones? - ANSWERSProduce red blood cells; protection of internal organs (skull protects the brain). Describe the shape of a long bone and what its design allows. - ANSWERSLong and thin; designed to support body weight and enable movement Name the five basic bone shapes. - ANSWERSLong, flat, short, irregular, and sesamoid. What term best describes a hollow chamber in bone, usually filled with air? - ANSWERSSinus True or false: A sulcus is a raised ridge in bone. - ANSWERSFalse What division of the skeleton lies along the midline? - ANSWERSAxial True or false: Fontanelles are present in adults. - ANSWERSFalse What two bones of the cranium lie primarily within the skull? - ANSWERSThe sphenoid and the ethmoid bones True or false: The frontal bone is a paired bone of the cranium. - ANSWERSFalse Which bone contains the foramen magnum? - ANSWERSThe occipital bone What is the purpose of the foramen magnum? - ANSWERSThe spinal cord passes to become the brain stem Sinusitis is an infection of the - ANSWERSSinuses What is the function of the nasal conchae? - ANSWERSTo 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? - ANSWERSThe mandible and the vomer What bone forms the anterior portion of the hard palate? - ANSWERSThe maxilla Foramen Magnum - ANSWERS True or false: A typical spine is completely straight when standing vertically. - ANSWERSFalse (note the typical curvatures in a spinal column) True or false: The vertebral body is located anteriorly and can be palpated along the surface of the back. - ANSWERSFalse (located anteriorly, but the spinous processes are the structures that can be palpated along the surface of the back) The vertebrae fit together to protect the ---- located in the vertebral canal. - ANSWERSThe spinal cord True or False: A typical thoracic vertebra has a bifid spinous process. - ANSWERSFalse What is the purpose of transverse foramina in cervical spinal vertebrae? - ANSWERSPassage of vertebral arteries and veins What region of the spine contains costal facets? - ANSWERSThoracic What is the purpose of costal facets? - ANSWERSArticulations with ribs Which region of the spine has the largest vertebral bodies? - ANSWERSLumbar The line along the midline of the sacrum is called the - ANSWERSMedian sacral crest. True or False: Ribs 11 and 12 have no posterior attachment to the thoracic vertebrae. - ANSWERSFalse True or false: Anteriorly, the clavicle connects to the scapula. - ANSWERSFalse True or false: The medial border of the scapula connects directly to the neck of the scapula. - ANSWERSFalse True or false: The subscapular fossa is located on the anterior side of the scapula. - ANSWERSTrue Why is the glenohumeral joint prone to dislocation? - ANSWERSThe glenoid cavity is very sh