MSCI 510 WK 1 TEST QUESTIONS AND ANSWERS SOLVED CORRECTLY LATEST UPDATE
2025-2026
Back - Answers Posterior aspect of the body providing support.
Vertebrae - Answers 33 bones forming the backbone, categorized into regions.
Curvatures - Answers Spinal curvatures aiding weight distribution and posture.
Primary Curvatures - Answers Concave anteriorly in thoracic and sacral regions.
Secondary Curvatures - Answers Concave posteriorly in cervical and lumbar regions.
Extrinsic Muscles - Answers Muscles moving upper limbs and thoracic wall.
Intrinsic Muscles - Answers Muscles maintaining posture and moving the vertebral column.
Vertebral Column - Answers Structure housing spinal cord and providing support.
Vertebral Canal - Answers Canal formed by vertebrae protecting the spinal cord.
Cervical Vertebrae - Answers 7 vertebrae supporting the neck and head.
Thoracic Vertebrae - Answers 12 vertebrae articulating with ribs.
Lumbar Vertebrae - Answers 5 vertebrae supporting lower back.
Sacral Vertebrae - Answers 5 fused vertebrae forming the sacrum.
Coccygeal Vertebrae - Answers 3-4 rudimentary vertebrae forming the coccyx.
Vertebral Body - Answers Weight-bearing anterior part of a vertebra.
Vertebral Arch - Answers Structure forming the vertebral canal.
Spinous Process - Answers Posterior projection of a vertebra.
Transverse Processes - Answers Lateral projections of a vertebra.
Articular Processes - Answers Projections articulating with adjacent vertebrae.
Erector Spinae - Answers Intrinsic muscle group supporting the spine.
Flexion - Answers Anterior bending movement of the vertebral column.
Extension - Answers Movement increasing the angle between body parts.
Lateral Flexion - Answers Bending the spine to the side.
Rotation - Answers Twisting movement of the vertebral column.
, Lateral walls - Answers Composed of vertebral arches and ligaments.
Roof walls - Answers Formed by vertebral arches.
Spinal cord - Answers Contained within the vertebral canal.
Meninges - Answers Protective membranes surrounding the spinal cord.
Pia mater - Answers Innermost layer, closely adheres to spinal cord.
Arachnoid mater - Answers Middle layer, separated by subarachnoid space.
Subarachnoid space - Answers Contains cerebrospinal fluid.
Dura mater - Answers Outermost membrane, separated by extradural space.
Extradural space - Answers Contains connective tissue, fat, and venous plexus.
Spinal nerves - Answers 31 pairs, connecting spinal cord to body.
Cervical nerves - Answers 8 pairs (C1 to C8) of spinal nerves.
Thoracic nerves - Answers 12 pairs (T1 to T12) of spinal nerves.
Lumbar nerves - Answers 5 pairs (L1 to L5) of spinal nerves.
Sacral nerves - Answers 5 pairs (S1 to S5) of spinal nerves.
Coccygeal nerve - Answers 1 pair (Co) of spinal nerves.
Posterior root - Answers Sensory root connecting to spinal cord.
Anterior root - Answers Motor root connecting to spinal cord.
Posterior ramus - Answers Innervates back muscles and skin.
Anterior ramus - Answers Innervates most body regions, excluding head.
Somatic plexuses - Answers Formed by anterior rami: cervical, brachial, lumbar, sacral.
Visceral components - Answers Associated with anterior rami for autonomic functions.
Intervertebral foramina - Answers Exit points for spinal nerves between vertebrae.
Dermatomes - Answers Skin regions innervated by specific spinal nerves.
Lumbar Vertebrae - Answers Five large vertebrae supporting the abdominal wall.
Sacrum - Answers Five fused vertebrae forming a triangular bone.
2025-2026
Back - Answers Posterior aspect of the body providing support.
Vertebrae - Answers 33 bones forming the backbone, categorized into regions.
Curvatures - Answers Spinal curvatures aiding weight distribution and posture.
Primary Curvatures - Answers Concave anteriorly in thoracic and sacral regions.
Secondary Curvatures - Answers Concave posteriorly in cervical and lumbar regions.
Extrinsic Muscles - Answers Muscles moving upper limbs and thoracic wall.
Intrinsic Muscles - Answers Muscles maintaining posture and moving the vertebral column.
Vertebral Column - Answers Structure housing spinal cord and providing support.
Vertebral Canal - Answers Canal formed by vertebrae protecting the spinal cord.
Cervical Vertebrae - Answers 7 vertebrae supporting the neck and head.
Thoracic Vertebrae - Answers 12 vertebrae articulating with ribs.
Lumbar Vertebrae - Answers 5 vertebrae supporting lower back.
Sacral Vertebrae - Answers 5 fused vertebrae forming the sacrum.
Coccygeal Vertebrae - Answers 3-4 rudimentary vertebrae forming the coccyx.
Vertebral Body - Answers Weight-bearing anterior part of a vertebra.
Vertebral Arch - Answers Structure forming the vertebral canal.
Spinous Process - Answers Posterior projection of a vertebra.
Transverse Processes - Answers Lateral projections of a vertebra.
Articular Processes - Answers Projections articulating with adjacent vertebrae.
Erector Spinae - Answers Intrinsic muscle group supporting the spine.
Flexion - Answers Anterior bending movement of the vertebral column.
Extension - Answers Movement increasing the angle between body parts.
Lateral Flexion - Answers Bending the spine to the side.
Rotation - Answers Twisting movement of the vertebral column.
, Lateral walls - Answers Composed of vertebral arches and ligaments.
Roof walls - Answers Formed by vertebral arches.
Spinal cord - Answers Contained within the vertebral canal.
Meninges - Answers Protective membranes surrounding the spinal cord.
Pia mater - Answers Innermost layer, closely adheres to spinal cord.
Arachnoid mater - Answers Middle layer, separated by subarachnoid space.
Subarachnoid space - Answers Contains cerebrospinal fluid.
Dura mater - Answers Outermost membrane, separated by extradural space.
Extradural space - Answers Contains connective tissue, fat, and venous plexus.
Spinal nerves - Answers 31 pairs, connecting spinal cord to body.
Cervical nerves - Answers 8 pairs (C1 to C8) of spinal nerves.
Thoracic nerves - Answers 12 pairs (T1 to T12) of spinal nerves.
Lumbar nerves - Answers 5 pairs (L1 to L5) of spinal nerves.
Sacral nerves - Answers 5 pairs (S1 to S5) of spinal nerves.
Coccygeal nerve - Answers 1 pair (Co) of spinal nerves.
Posterior root - Answers Sensory root connecting to spinal cord.
Anterior root - Answers Motor root connecting to spinal cord.
Posterior ramus - Answers Innervates back muscles and skin.
Anterior ramus - Answers Innervates most body regions, excluding head.
Somatic plexuses - Answers Formed by anterior rami: cervical, brachial, lumbar, sacral.
Visceral components - Answers Associated with anterior rami for autonomic functions.
Intervertebral foramina - Answers Exit points for spinal nerves between vertebrae.
Dermatomes - Answers Skin regions innervated by specific spinal nerves.
Lumbar Vertebrae - Answers Five large vertebrae supporting the abdominal wall.
Sacrum - Answers Five fused vertebrae forming a triangular bone.
