Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| What are the functions of the bone? | Shape
Support
Protection
Movement
Electrolyte balance
Blood production
Acid base balance
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| What is bone marrow? | The site for blood production.
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| What are the classifications of bones? | Long
Short
Flat
Irregular
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| What are the Parts of a long bone? | Epiphysis
Diaphysis
Medullary cavity
Epiphyseal plate
Osteomyelitis
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| Epiphysis | End of the long bone. Spongy bone with articular cartilage. It’s an attachment point.
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| Diaphysis | Shaft-like portion of the long bone
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| Medullary cavity | Inside diaphysis. Otherwise known as the marrow cavity.
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| Epiphyseal plate | I’m children it’s cartilage. The bone will grow longer. Once growth stops it’ll turn into bone.
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| Osteomyelitis | Inflammation of the bone marrow or bone that results from an infection. Bone infections are often extremely difficult to treat.
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| Are bones living tissue? | Yes
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| Osteology | The study of bone.
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| What are the different bone tissues ? | Osteoblasts, osteoclasts, osteocytes
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| Osteoblasts | Help form bone by secreting substances that compromise the bones matrix.
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| Osteoclasts | Dissolve unwanted or unhealthy bone
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| Osteocytes | Help to form bone, but also dissolve bone. Release calcium to blood stream.
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| What are the different types of bone strength? | Tensile, compressional, torsional
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| Tensile | Helps to protect bones against stretching
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| Compressional | Protects bones against compressing
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| Torsional | Protects bone against twisting.
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| What type of bone strength is the least strong? | Torsional
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| What are the types of bone tissues? | Spongy & compact
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| Spongy bone tissue | More porous, found at the end of long bones and the middle of the short bones. Surrounded by compact bone. Filled with red bone marrow.
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| Compact bone tissue | Dense and solid. It’s density offers strength, which is why it forms the shafts of long bones and the outer surfaces of other bones.
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| Red Bone Marrow | ALL of children’s bones contain red bone marrow. This marrow is responsible for producing red blood cells. Red Bone Marrow is only found in an adults skull, ribs, sternum, pelvis and vertebrae.
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| Yellow Bone Marrow | Replaces red bone marrow. Yellow bone marrow does not produce blood cells. In extreme cases yellow bone marrow CAN switch to red bone marrow.
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| What are the types of bone development? | Intramembranous ossification & endochondral ossification
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| Intramembranous Ossification | When bones start out as fibrous connective tissues, then it goes into groups of stem cells in osteoblasts.
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| Endochondral ossification | Most bones evolve from cartilage which clacifies into bone. It moves from the center out.
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| Osteoporosis | Porus bones. When bones loose too much mass that they become extremely brittle. Found mainly in women.
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| Hormones | A nutrition and heredity influenced growth.
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| What are the steps of bone growth? | Lengthening, widening & thickening, remodeling
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| Lengthening | Occurs at the epiphyseal plate. Age 25 for boys and 16 for girls.
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| Widening & Thickening | Add new layers to the outside of the bone, then widens the inside of the canal.
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| Remodeling | Destruction of old bone cells and replacing it with new cells. It releases calcium into the blood stream.
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| What are the different types of fractures? | Simple, compound, green stick, comminuted, spiral, pathologic.
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| Simple fracture | Bone remains aligned and the tissue intact.
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| Compound fracture | Bone pierced the skin. Damage to tissue, nerves and blood vessels. More exposure to infection. Typically requires surgery.
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| Green stick | Fracture is incomplete. Occurs mostly in children because their bones are softer.
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| Comminuted | Bone broken into several pieces
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| Pathologic | Break in diseased or weakened bone from a force that doesn't typically happen.
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| Spiral | Fractures in a spiral around the bone. Result of a twisting force. Common in child abuse.
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| What are long bones? | These bones have very long acid and are longer than they are wide. They work like levers and move limbs.
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| What are flat bones? | Thin, flat, often curved bones that protect organs. They provide a large surface area for the attachment of muscles.
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| Irregular bones | Often clustered in groups, they come in various sizes and shapes. Sesamoid bones are small bones embedded in tendons.
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| Short bones | About as broad as they are long, these tend to be shaped like cubes.
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| Electrolyte balance | Bones store and release minerals such as calcium and phosphorus. Which are necessary ingredients for a variety of chemical reactions throughout the body.
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| Blood production | Bones encase bone marrow, a major site of blood cell formation.
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| Acid-base balance | Bone absorbs and releases alkaline salts to help maintain a stable pH
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| What are the factors of growth and maintenance? | Hormones, Heredity and Nutrition.
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| Osteogenesis Imperfecta | Known as brittle bone or glass bone disease. Bones are extremely easy to break.
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| What are the skeletal divisions? | Axial & appendicular
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| Axial | Skull, vertebrae and ribs. 80 bones in total.
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| Appendicular | The remaining 126 bones of the body.
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| What are the different bones in the skull? | Parietal, occipital, frontal, temporal
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| Parietal bones | Found on the sides of the skull. We have 2
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| Occipital Bone | The back of the skull
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| Frontal Bone | The front of the skull
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| Temporal bones | Sides of cranium and cranial flood. Found by your ears. We gave 2.
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| What are the facial bones ? | Maxillae, mandible and hyoid
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| Maxillae | From the front of your face (mouths and up around the nose) 2 bones.
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| Mandible | The human jaw bone
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| Hyoid bone | Only bone that dosent move with another bone. Gets fractured if you are strangled.
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| What are the fontanels in the infant skull? | Anterior & Posterior
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| Anterior Fontanel | Diamond shape. Front of the head. The largest.
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| Posterior Fontanel | Triangle shape. Back of the head. The smallest.
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| What are the different bones in the vertebral column? | Atlas, axis, cervical, thoracic, lumbar, sacrum, coccyx, intervertebral disc.
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| Atlas | Holds our head up
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| Axis | Rotates our head side to side
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| Cervical | 7 bones.
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| Thoracic | 12 bones
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| Lumbar | 5 bones
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| Sacrum | 5 fused vertebrae
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| Coccyx | 4 fused vertebrae
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| Intervertebral disc | Support weight and absorb shock. Have a gel-like core.
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| What are the bones on the thoracic cage? | Sternum, ribs (true,false,floating)
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| Sternum | Xiphoid process- important landmark for CPR
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| How many ribs do you have? | 12 pairs
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| True rib | Attach to the sternum
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| False rib | Attach to the cartilage
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| Floating rib | DO NOT attach to anything in the front.
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| What are the upper limbs? | Pectoral girdle, humerus, radius,ulna, phalanges, carpals and metacarpals.
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| What is the pectoral girdle? | Shoulders, clavicle and scapula
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| Humerus | Long bone of the upper arm
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| Radius | On the thumb side
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| Ulna | On the pinky side
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| Phalanges | Fingers or toes
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| Carpals & tarsals | Wrist or ankle
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| Metacarpals & Metatarsals | Hand or foot
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| What are the lower limbs? | Pelvic girdle, femur, patella, tibia, fibula, tarsals, metatarsals & phalanges.
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| Pelvic girdle | Pelvis
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| Patella | Knee
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| Femur | Long bone on leg. (I’m going to feel up the femur)
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| Tibia | Shin
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| Fibula | Supports the ankle but NON weight bearing
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| Epidermis | Outermost layer of skin. Consists of stratified squamous and epithelial tissue. Contains NO blood vessels. Instead it obtains oxygen and nutrients by diffusion from the dermis.
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| Dermis | Inner, deeper layer, composed of connective tissues. Contains primarily collagen fibers but it also contains elastin and reticular fibers. Has an abundance of blood, sweat glands, sebaceous tissue and nerve endings.
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| Collagen fibers | Strengthen the tissue
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| Elastin fibers | Provide elasticity
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| Reticular fibers | Bind collagen and elastin fibers together.
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| Hypodermis | Subcutaneous tissue beneath the skin. Made up of loose connective tissue and adipose tissue. Helps regulate body temp and acts as an energy reservoir.
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| What are the different skin functions? | Protection, barrier, vitamin d production, sensory perception and thermoregulation.
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| Protection | Prevents micro organisms l, as well as many harmful chemicals from invading the body. Secretes a residue or surface film that helps blocks toxins and inhibit bacterial and fungal growth. Absorbs the force of injuries.
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| Barrier | Keeps the body from absorbing excess water. Prevents dehydration by regulating the volume and content of fluid lost from the body. blocks uv radiation so it doesn’t reach the underlying tissues.
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