chapter 6 magic notes

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Which type of bone has a honeycomb-like structure?

Spongy bones (correct)

Flat bones

Irregular bones

Compact bones

What is the main function of bones?

Protection

Support (correct)

Movement

Storage

Which bone marking serves as a site of muscle and ligament attachment?

Tuberosity (correct)

Spine

Foramen

Fossa

What is the function of the periosteum?

Blood vessel and nerve entry (B) Signup and view all the answers

Where is red marrow found in adults?

Spongy bone (C) Signup and view all the answers

Which cells are responsible for bone resorption?

Osteoclasts (A) Signup and view all the answers

Which of the following is NOT a treatment for osteoporosis?

Fluoride supplements (A) Signup and view all the answers

Which of the following drugs can increase bone mineral density?

Biphosphonates (B) Signup and view all the answers

What is the main characteristic of Paget's disease?

Excessive bone formation (D) Signup and view all the answers

Which of the following is a treatment for Paget's disease?

Biphosphonates (C) Signup and view all the answers

At what age do nearly all bones completely ossify?

25 (A) Signup and view all the answers

When does bone mass start to decrease with age?

4th decade (D) Signup and view all the answers

Which of the following is NOT a classification of bone fractures?

Nondisplaced (C) Signup and view all the answers

Which type of fracture occurs when excessive twisting forces are applied to a bone?

Spiral fracture (D) Signup and view all the answers

What is the term for a fracture in which one side of the bone is broken and the other side bends?

Greenstick fracture (A) Signup and view all the answers

Which of the following is NOT a stage in the healing of a bone fracture?

Bone remodeling (D) Signup and view all the answers

What is the main cause of osteomalacia and rickets?

Vitamin D deficiency (A) Signup and view all the answers

Which of the following is NOT a risk factor for osteoporosis?

High levels of TSH (C) Signup and view all the answers

Which type of bone development forms most of the skeleton?

Endochondral ossification (B) Signup and view all the answers

What is the function of Volkmann's canals in compact bone?

Connects blood vessels and nerves of the periosteum and central canal (D) Signup and view all the answers

What is the primary hormone that stimulates osteoclasts to degrade bone matrix and release calcium?

Parathyroid hormone (PTH) (D) Signup and view all the answers

Which vitamin is needed for the synthesis of collagen in bone?

Vitamin C (B) Signup and view all the answers

What is the function of trabeculae in spongy bone?

Align along lines of stress (D) Signup and view all the answers

Which hormone stimulates epiphyseal plate activity and promotes cell division at the epiphyseal plate?

Growth hormone (C) Signup and view all the answers

Which type of cartilage is similar to hyaline cartilage but contains elastic fibers?

Elastic cartilage (A) Signup and view all the answers

What is the most abundant type of cartilage?

Hyaline cartilage (B) Signup and view all the answers

Which type of cartilage has collagen fibers and great tensile strength?

Fibrocartilage (A) Signup and view all the answers

Which bones make up the axial skeleton?

Bones of the skull, vertebral column, and rib cage (A) Signup and view all the answers

Which bones are longer than they are wide?

Long bones (A) Signup and view all the answers

Where is articular cartilage found?

Ends of long bones (D) Signup and view all the answers