WorksheetsCh. 4 Skeletal System Exam Review P-2
Total questions: 49
Worksheet time: 46mins
Which specialty focuses on the diagnosis and treatment of disorders of the musculoskeletal system, including bones, joints, ligaments, and tendons?
Chiropractic
Orthopedics
Podiatry
Radiography
Identify the healthcare field that centers on the foot and ankle, including structural deformities and injuries of the lower extremity.
Podiatry
Arthroscopy
Orthopedics
Craniotomy
Ewing’s sarcoma is best described as:
An inflammatory joint disease affecting synovial membranes
A malignant bone tumor typically occurring in children and adolescents
A congenital spinal defect characterized by incomplete closure of vertebral arches
A degenerative cartilage condition leading to joint space narrowing
Match each spinal curvature term with its description.
Kyphosis
Excessive posterior thoracic curvature (hunchback)
Lordosis
Excessive anterior lumbar curvature (swayback)
Scoliosis
Lateral curvature of the spine
Which condition involves an incomplete closure of the spinal column present at birth?
Spinal stenosis
Spina bifida
Spondylolisthesis
Subluxation
Spondylolisthesis most accurately refers to:
Partial dislocation of a joint
Forward slippage of one vertebra over the one below it
Narrowing of the spinal canal
Inflammatory arthritis affecting multiple joints
Gout is characterized by:
Autoimmune destruction of synovial joints
Urate crystal deposition causing acute inflammatory arthritis
Degeneration of articular cartilage with osteophyte formation
Congenital malalignment of the foot (talipes)
Differentiate osteoarthritis and rheumatoid arthritis.
Osteoarthritis is autoimmune, rheumatoid arthritis is degenerative
Osteoarthritis involves cartilage wear-and-tear; rheumatoid arthritis is autoimmune synovitis
Both are congenital; osteoarthritis affects infants, rheumatoid arthritis affects adolescents
Osteoarthritis is inflammatory crystal deposition; rheumatoid arthritis is due to infection
Subluxation is defined as:
Complete dislocation of a joint
Partial dislocation or misalignment within a joint
Fracture through the growth plate
Cartilage degeneration in weight-bearing joints
Talipes refers to a congenital foot deformity commonly known as:
Bowleg
Knock-knee
Clubfoot
Flatfoot
Arthroscopy is a procedure that:
Removes the intervertebral disc via a percutaneous approach
Allows visual examination and treatment of a joint using a fiber-optic scope
Amputates a limb proximal to the site of infection
Creates an opening in the skull for neurosurgical access
Calcium supplements and vitamin D therapy are primarily indicated to:
Improve cartilage hydration
Enhance bone mineralization and prevent deficiency-related bone disease
Treat acute gout flares by reducing urate levels
Reverse congenital scoliosis
Which pharmacologic class includes agents that reduce inflammation by inhibiting cyclooxygenase and prostaglandin synthesis?
Corticosteroids
NSAIDs
Antibiotics
Bisphosphonates
Corticosteroids exert anti-inflammatory effects primarily by:
Directly chelating calcium from bone
Upregulating glucocorticoid-responsive genes to suppress immune-mediated inflammation
Blocking voltage-gated sodium channels in neurons
Increasing synovial fluid viscosity
Recall question: Which fracture is defined as a break in the bone that does not penetrate the skin?
Compound fracture
Closed fracture
Comminuted fracture
Impacted fracture
Identify the fracture commonly associated with a fall onto an outstretched hand that causes a distal radius break with dorsal displacement.
Colles’ fracture
Greenstick fracture
Compression fracture
Transverse fracture
Which fracture involves bone fragments being crushed together, typically seen in vertebral bodies?
Impacted fracture
Compression fracture
Oblique fracture
Spiral fracture
A bone is broken into three or more pieces. What is the classification?
Transverse fracture
Comminuted fracture
Greenstick fracture
Closed fracture
Which term refers to a fracture that pierces through the skin, creating an open wound?
Compound fracture
Closed fracture
Impacted fracture
Spiral fracture
In pediatric patients, which incomplete fracture shows one cortex bent and the other broken?
Greenstick fracture
Transverse fracture
Oblique fracture
Impacted fracture
A fracture where one fragment is driven into the other due to axial loading is best described as:
Impacted fracture
Compression fracture
Comminuted fracture
Closed fracture
Which pattern runs diagonally across the bone shaft?
Transverse fracture
Oblique fracture
Spiral fracture
Greenstick fracture
Which fracture pattern twists around the bone, often from rotational force?
Transverse fracture
Spiral fracture
Compression fracture
Comminuted fracture
Recall the location: Which bone forms the lower jaw in the human skull? Choose the best answer.
Maxilla
Mandible
Zygomatic bone
Palatine bone
Match each bone to its anatomical region. Use the diagram to help you align the pairs accurately.
Scapula
Shoulder girdle/posterior of rib cage
Patella
Knee (anterior to the femur)
Coccyx
Tailbone at inferior end of vertebral column
Metacarpals
Hand between carpals and phalanges
Strategic identification: A student points to the long bone of the thigh on the diagram. Which option correctly names this bone while also identifying its relation to nearby structures?
Fibula; lateral to the tibia in the lower leg
Femur; proximal to the patella and articulates with the pelvis
Tibia; medial to the fibula and forms the shin
Humerus; proximal to the radius and ulna in the arm
Concept application: When labeling the vertebral column on the diagram, which sequence correctly orders the named regions from superior to inferior?
Thoracic vertebrae, cervical vertebrae, lumbar vertebrae, sacrum, coccyx
Cervical vertebrae, thoracic vertebrae, lumbar vertebrae, sacrum, coccyx
Lumbar vertebrae, thoracic vertebrae, cervical vertebrae, sacrum, coccyx
Cervical vertebrae, lumbar vertebrae, thoracic vertebrae, coccyx, sacrum
Recall: How many vertebrae, in total, are there in the human spine? Provide the exact number.
(a)
Skill/Concept: Red blood cells are produced in the ______ while fat cells are produced in the ______.
red marrow; yellow marrow
yellow marrow; red marrow
bone marrow; adipose tissue
red marrow; white marrow
Strategic Thinking: Identify the correct placement of vertebrae in the spine from top to bottom.
Cervical → Thoracic → Lumbar → Sacral → Coccygeal
Thoracic → Cervical → Lumbar → Sacral → Coccygeal
Lumbar → Cervical → Thoracic → Sacral → Coccygeal
Cervical → Lumbar → Thoracic → Sacral → Coccygeal
Which type of fracture is most commonly seen in children due to the flexibility of their bones?
Greenstick fracture
Comminuted fracture
Spiral fracture
Compound fracture
What is the medical term for the forward displacement of a vertebra, often leading to back pain and nerve compression?
Compression fracture
Subluxation
Spina bifida
Spondylolisthesis
Which fracture is characterized by the bone being broken into several fragments?
Oblique fracture
Comminuted fracture
Greenstick fracture
Impacted fracture
Which bone disorder is characterized by decreased bone density and increased risk of fractures, especially in postmenopausal women?
Osteoporosis
Gout
Osteoarthritis
Rheumatoid arthritis
What is the name of the joint that connects the femur to the pelvis?
Shoulder joint
Elbow joint
Hip joint
Knee joint
Which type of arthritis is most commonly associated with aging and involves the breakdown of joint cartilage?
Gout
Psoriatic arthritis
Osteoarthritis
Rheumatoid arthritis
Which bone is most commonly fractured in the forearm of children due to falls?
Radius
Ulna
Humerus
Scaphoid
Which joint is classified as a ball-and-socket joint, allowing movement in multiple directions?
Elbow joint
Ankle joint
Hip joint
Knee joint
What is the primary function of synovial fluid within a joint?
To provide structural support
To produce red blood cells
To lubricate and reduce friction between articular surfaces
To store calcium
The Journey of Bone Formation and Function
Bone formation begins during the fetal stage, where the skeleton primarily consists of cartilage. This cartilage gradually transforms into bone through a process called ossification, which starts around the eighth week of development. By birth, most of the cartilage has been replaced by bone, although some areas, like the growth plates, remain cartilaginous to allow for future growth. The skeletal system at birth is still developing, with bones being softer and more flexible compared to those of adults.
Bone marrow plays a crucial role in the skeletal system, residing within the hollow spaces of bones. It is a vital tissue responsible for producing red blood cells, which carry oxygen throughout the body. In addition to red blood cells, bone marrow also produces white blood cells and platelets, essential for immune function and blood clotting. This process of blood cell production, known as hematopoiesis, is critical for maintaining overall health and supporting the body's ability to heal and fight infections.
As infants grow, their bones continue to ossify and strengthen, adapting to the demands of movement and weight-bearing. The production of red blood cells remains a constant function of the bone marrow, ensuring the body has sufficient oxygen for cellular processes. The skeletal system also serves as a reservoir for minerals like calcium and phosphorus, which are essential for bone strength and metabolic functions. Proper nutrition and physical activity during childhood are key to supporting healthy bone development.
Fractures, or breaks in bones, can occur at any stage of life, but the healing process is particularly remarkable. When a bone fractures, the body initiates a repair process that includes inflammation, the formation of a soft callus, and eventually the development of a hard callus. Bone marrow contributes to this process by producing cells that aid in tissue repair. Over time, the bone remodels itself, restoring its original structure and strength. This ability to heal underscores the dynamic and resilient nature of the skeletal system.
What is the primary composition of the skeleton during the fetal stage?
Cartilage
Bone
Muscle
Tissue
What is the process called where cartilage transforms into bone?
Ossification
Calcification
Hematopoiesis
Remodeling
Which tissue is responsible for producing red blood cells?
Bone marrow
Cartilage
Growth plates
Calcium
What is the term for the production of blood cells in the bone marrow?
Hematopoiesis
Ossification
Calcification
Inflammation
What minerals are stored in the skeletal system to support bone strength?
Calcium and phosphorus
Iron and magnesium
Potassium and sodium
Zinc and copper
What happens first when a bone fractures?
Inflammation
Formation of a hard callus
Remodeling
Formation of a soft callus
What role does bone marrow play in the healing of fractures?
Produces cells that aid in tissue repair
Stores minerals for bone strength
Transforms cartilage into bone
Supports weight-bearing activities
METACARPALS
Select the 1st Digit?
Use the diagram to match the color to the structure:
distal phalanges
Red
middle phalanges
Blue
proximal phalanges
Green
metacarpals
Yellow
carpals
Purple
This vertebrae would be considered which bone type?
long
short
irregular
sesamoid
How many bones are there in your lower leg
1
2
3
4
Pronounce spondylolisthesis
In the human body, there are a total of (a) vertebrae in the spine. However, not all bones are single and some are fused. The two bones that are fused in the spine are the (b) and (c) .
This skeleton appears to be in the (a) position.
