RAD 105 MIDTERM EXAM SCRIPT 2026
COMPREHENSIVE QUESTIONS AND ALL
CORRECT ANSWERS GRADED A+
⩥ Where is the vertrebral column located? Answer: Centered in the
median sagittal plane of the posterior part of the trunk
⩥ What are the (7) functions of the betebral column? Answer: -Encloses
and protects the spinal cord
-Acts as support for the trunk and skull
-Supports the skull superiorly
-Attachment for deep muscles of the back and ribs
-Indirectly supports the upper limbs
-Articulates with each hip via the SI joints
-Permits flexible movements such as bending, turning, and rotating
⩥ What is composed of small segments called verebrae? Answer:
Vertebral column
⩥ What is considered flexible and reslienc and held together by
ligaments? Answer: Vetebral column
⩥ How many bones are in the veretbral column in early life? Answer: 33
,⩥ In early life how many groups were the bones divided into? Answer: 5
Groups
⩥ The adult has how many bones in the veretral column? Answer: 26
bones
⩥ Why does the adutlt have less bones than the child? Answer: Because
the sacrum and coccyx fuse in the adult
⩥ The vertebral column is composed of how many divisions? Answer: 5
different divisions
⩥ What are the 5 different divsions and the number associated with
them? Answer: -Cervical (7)
-Thoracic (12)
-Lumbar (5)
-Scaral (adults 1, child 5)
-Coccygeal (audlts 1, child 3-5)
⩥ In the child the coccyx and sacrum are jointed how? Answer: The
articulate via cartilage
⩥ How are the sacrum and coccyx jointed in adults? Answer: They fused
, ⩥ What are the (2) types of vertebral curatures? Answer: -Primary
(present at birth)
-Secondary (Develops after birth)
⩥ What is an example of a primary vertebral curvature? Answer:
Thoracic and Pelvic curves
⩥ Another name for primary curve is? Answer: Kyphotic
⩥ Another name for secondary curve? Answer: Lordotic
⩥ What are the 2 regions in the vertebral that are considered secodnary?
Answer: Cervical and lumbar curves
⩥ When does the cervical develop? Answer: 3-4 mons when baby holds
head up
8-9 months when baby sits up
⩥ When does the lumbar develop? Answer: 18-34 months when child
begins to walk
⩥ What are the (3) types of vertebral curvatures? Answer: -Kyphosis
COMPREHENSIVE QUESTIONS AND ALL
CORRECT ANSWERS GRADED A+
⩥ Where is the vertrebral column located? Answer: Centered in the
median sagittal plane of the posterior part of the trunk
⩥ What are the (7) functions of the betebral column? Answer: -Encloses
and protects the spinal cord
-Acts as support for the trunk and skull
-Supports the skull superiorly
-Attachment for deep muscles of the back and ribs
-Indirectly supports the upper limbs
-Articulates with each hip via the SI joints
-Permits flexible movements such as bending, turning, and rotating
⩥ What is composed of small segments called verebrae? Answer:
Vertebral column
⩥ What is considered flexible and reslienc and held together by
ligaments? Answer: Vetebral column
⩥ How many bones are in the veretbral column in early life? Answer: 33
,⩥ In early life how many groups were the bones divided into? Answer: 5
Groups
⩥ The adult has how many bones in the veretral column? Answer: 26
bones
⩥ Why does the adutlt have less bones than the child? Answer: Because
the sacrum and coccyx fuse in the adult
⩥ The vertebral column is composed of how many divisions? Answer: 5
different divisions
⩥ What are the 5 different divsions and the number associated with
them? Answer: -Cervical (7)
-Thoracic (12)
-Lumbar (5)
-Scaral (adults 1, child 5)
-Coccygeal (audlts 1, child 3-5)
⩥ In the child the coccyx and sacrum are jointed how? Answer: The
articulate via cartilage
⩥ How are the sacrum and coccyx jointed in adults? Answer: They fused
, ⩥ What are the (2) types of vertebral curatures? Answer: -Primary
(present at birth)
-Secondary (Develops after birth)
⩥ What is an example of a primary vertebral curvature? Answer:
Thoracic and Pelvic curves
⩥ Another name for primary curve is? Answer: Kyphotic
⩥ Another name for secondary curve? Answer: Lordotic
⩥ What are the 2 regions in the vertebral that are considered secodnary?
Answer: Cervical and lumbar curves
⩥ When does the cervical develop? Answer: 3-4 mons when baby holds
head up
8-9 months when baby sits up
⩥ When does the lumbar develop? Answer: 18-34 months when child
begins to walk
⩥ What are the (3) types of vertebral curvatures? Answer: -Kyphosis
