#1
Which type of bone growth occurs at the epiphyseal plate?
Longitudinal growth
ExplanationEpiphyseal plate allows for longitudinal growth of bones.
#2
What is the primary component of bone tissue?
Collagen
ExplanationCollagen is the main protein in bone tissue, providing strength and structure.
#3
Which type of fracture results in the bone breaking into several pieces?
Comminuted fracture
ExplanationComminuted fractures involve the bone breaking into multiple pieces.
#4
Which vitamin plays a crucial role in bone health and healing?
Vitamin D
ExplanationVitamin D is essential for calcium absorption and overall bone health.
#5
Which cells are responsible for bone resorption?
Osteoclasts
ExplanationOsteoclasts are cells that break down and resorb bone tissue.
#6
Which hormone is primarily responsible for stimulating bone growth?
Growth hormone
ExplanationGrowth hormone stimulates the growth of bones, especially during development.
#7
What is the process by which bone is broken down and resorbed?
Remodeling
ExplanationRemodeling is the process of breaking down and rebuilding bone tissue.
#8
What is the medical term for a bone fracture that pierces the skin?
Compound fracture
ExplanationA compound fracture involves the bone piercing through the skin, posing a higher risk of infection.
#9
During which phase of bone healing does the formation of a callus occur?
Reparative phase
ExplanationThe reparative phase involves the formation of a callus to stabilize and repair the fractured bone.
#10
Which type of joint allows for the least amount of movement?
Fibrous joint
ExplanationFibrous joints permit minimal movement and are connected by fibrous tissue.
#11
Which of the following factors can affect bone healing?
All of the above
ExplanationVarious factors, including nutrition, age, and overall health, can affect bone healing.
#12
What is the term for the process by which bone tissue is laid down to form new bone?
Osteogenesis
ExplanationOsteogenesis is the process of laying down new bone tissue.
#13
What is the primary mineral component of bone tissue?
Calcium
ExplanationCalcium is the primary mineral component, providing strength and hardness to bone tissue.
#14
What type of joint is the shoulder joint?
Synovial joint
ExplanationThe shoulder joint is a synovial joint, allowing for a wide range of movement.
#15
Which of the following bones is NOT part of the human skull?
Clavicle
ExplanationThe clavicle is not part of the human skull; it is a bone in the shoulder girdle.