Bones Flashcards
What are the four main classifications of bones based on shape?
Long bones, short bones, flat bones, and irregular bones.
True or False: The femur is classified as a short bone.
False.
Fill in the blank: Bones that are roughly cube-shaped are known as ______ bones.
short
Which type of bone is primarily responsible for producing blood cells?
Long bones.
What is the term for the outer layer of bone tissue?
Cortical bone.
True or False: Flat bones are primarily involved in protecting internal organs.
True.
What is the name of the central cavity of a long bone that contains bone marrow?
Medullary cavity.
Identify the term: The bony projection that serves as an attachment site for muscles or ligaments.
Process.
What type of bone is the vertebra classified as?
Irregular bone.
Multiple Choice: Which of the following is NOT a type of bony landmark? A) Tuberosity B) Fossa C) Cortex D) Condyle
Cortex.
Fill in the blank: The ______ is the region of a long bone where growth occurs.
epiphyseal plate
What is the term for a smooth, rounded articular surface on a bone?
Condyle.
True or False: The diaphysis is the end part of a long bone.
False.
What are the two main types of bone tissue?
Compact bone and spongy bone.
Identify the term: A shallow depression on a bone.
Fossa.
What is the primary function of the periosteum?
To provide a protective layer and serve as an attachment point for tendons and ligaments.
Fill in the blank: ______ bones are typically found in the wrist and ankle.
Short
Multiple Choice: Which of the following bones is classified as a flat bone? A) Scapula B) Femur C) Carpals D) Vertebra
Scapula.
What is the term for the end part of a long bone?
Epiphysis.
True or False: The trabecular bone is dense and forms the outer layer of bones.
False.
Identify the term: A prominent ridge on a bone.
Crest.
What is the role of osteocytes in bone tissue?
To maintain bone matrix and communicate with other bone cells.
Fill in the blank: The ______ is the hollow space within the diaphysis of a long bone.
medullary cavity
Multiple Choice: Which of the following is a feature of irregular bones? A) They are always flat B) They have complex shapes C) They are always long D) They do not contain bone marrow
They have complex shapes.
What is the term for a large, rounded projection on a bone?
Tuberosity.
True or False: Sesamoid bones are small bones that develop within tendons.
True.
Fill in the blank: The ______ is the dense connective tissue covering the outer surface of bones.
periosteum
What type of joint surface is described by the term ‘facet’?
A flat or slightly concave articular surface.
Identify the term: The area where two bones meet.
Articulation.
What are the three main components of bone matrix?
Organic components, inorganic minerals, and water.
True or False: The nutrient foramen is a small opening in the bone that allows blood vessels to enter.
True.
What is the term for a narrow, slit-like opening in a bone?
Fissure.
Fill in the blank: The ______ is the part of the bone that contains red marrow.
spongy bone
Multiple Choice: Which of the following bones is typically classified as a long bone? A) Rib B) Humerus C) Scapula D) Patella
Humerus.
What is the term for the thin layer of cartilage that covers the ends of bones in a joint?
Articular cartilage.
True or False: Bone remodeling is a process that occurs only during childhood.
False.
Identify the term: A small, rounded projection on a bone, often serving as an attachment point.
Tubercle.
What is the role of osteoblasts?
To form new bone tissue.
Fill in the blank: The ______ is the region where bone growth occurs in children.
epiphyseal plate
Multiple Choice: Which term describes a bony landmark that is a deep indentation? A) Fossa B) Condyle C) Tuberosity D) Crest
Fossa.
What is the term for the shaft of a long bone?
Diaphysis.
True or False: The medullary cavity is filled with adipose tissue in adults.
True.
Identify the term: A raised area on a bone where muscles attach.
Tuberosity.
What is the function of the endosteum?
To line the medullary cavity and support bone remodeling.
Fill in the blank: The ______ provides strength and resistance to bending in bone.
collagen
Multiple Choice: Which of the following is NOT a function of bones? A) Support B) Blood cell production C) Digestion D) Mineral storage
Digestion.
What is the term for the area of bone that is formed by the fusion of multiple centers of ossification?
Metaphysis.
True or False: Bones can only grow in length during childhood.
False.
Identify the term: A hole in a bone that allows for the passage of nerves and blood vessels.
Foramen.
What type of bone is primarily composed of trabecular tissue?
Spongy bone.
Fill in the blank: The ______ is the layer of connective tissue that surrounds the bone.
periosteum
Multiple Choice: Which of the following is an example of a flat bone? A) Tibia B) Sternum C) Phalanges D) Radius
Sternum.
What is the term for a bony prominence that extends outward from the main part of the bone?
Protrusion.
True or False: Bones are static structures that do not change over time.
False.
Identify the term: A small, flat surface on a bone that forms a joint with another bone.
Facet.
What is the primary mineral found in bone?
Calcium phosphate.
Fill in the blank: The ______ is the part of the bone that supports weight during movement.
diaphysis
Multiple Choice: Which type of bone is the patella classified as? A) Long B) Short C) Sesamoid D) Irregular
Sesamoid.
What is the term for the process by which bone tissue is formed?
Ossification.
True or False: Compact bone is less dense than spongy bone.
False.
Identify the term: The region of a long bone between the epiphysis and diaphysis.
Metaphysis.
What is the role of osteoclasts in bone metabolism?
To break down bone tissue.
Fill in the blank: The ______ is the term for a bony projection that is sharp and pointed.
spine
Multiple Choice: Which of the following is a characteristic of compact bone? A) Less dense B) Contains trabecular tissue C) Forms the outer layer of bones D) Always contains red marrow
Forms the outer layer of bones.
What is the term for the growth plate found in long bones?
Epiphyseal plate.
True or False: Bone density decreases with age.
True.
Identify the term: A rounded end of a bone that articulates with another bone.
Head.
What is the primary function of the axial skeleton?
To support and protect the brain and spinal cord.
Fill in the blank: The ______ is a type of bone that develops within a tendon.
sesamoid bone