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Skeletal System

Chapter 6

What type of bone is made of osteons? Compact bone
What type of bone is NOT made of osteons? Spongy bone
Flat and irregular bones are primarily made of? Spongy bone
The shaft of long bones oare made primarily of? Compact bone
Compact bone forms what part of the long bone? Shaft; diaphysis
Bone tissue is made of cells called? osteocytes
The non-living part of bone tissue is called? The Matrix
Bone matrix is made primarily of salts of? Calcium and phosphorus
New bone matrix for growth is produced by cells called Osteoblasts
Reabsorption of bone matrix is the function of the cells called? Osteoclasts
The function of osteoblasts is to? Produce bone matrix
The function of osteoclasts is to? Reabsorb bone matrix
What three things does red bone marrow produce? Red blood cells (RBCs), white blood cells (WBCs), platelets
All kinds of blood cells pre produced in the? Red bone marrow
The primary hemopoietic tissue is? Red bone marrow
What type of bone marrow is found in the diaphysis of long bones, and is mostly adipose tissue? yellow
The type of bone marrow that is found in flat and irregular bones is? Red bone
The embryonic cranial bones are first made of what tissue? Fibrous connective
The cells that produce bone matrix in the embryo are? Osteoblasts
The fontanel of an infant skull are made of? Fibrous connective tissue
Compression of a baby's head during birth is permitted by the presence of what between the cranial bones? Fontanels
The embryonic humerus and femur are both made of? Cartilage
In an embryonic long bone, the first center of ossification is in the? diaphysis
In an embryonic long bone, the secondary centers are in the? epiphysis
In a child's long bones, growth occurs at the? Epiphyseal disc
On the epiphysis side of an epiphyseal disc, the process that is taking place is the? Production of cartilage
On the diaphysis side of an epiphyseal disc, the process that is taking place is the? Replacement of cartilage
Long bones stop growing when all of their cartilage has been replaced by? Bone
The inherited maximum height a child can attain is called the? Genetic potential
Calcium and phosphorus are nutrients necessary to become part of the bone? Matrix
The nutrient needed for the absorbtion of calcium in the small intestine is? Vitamin D
Two vitamins necessary for the calcification process in growing bones are? Vitamin A Vitamin C
Protein in the diet is needed to form the ______ in the bone matrix of a growing child. Collagen
The hormone that increases the reabsorbtion of calcium from bones is? Parathyroid hormone; PTH
The hormone that decreases the reabsorbtion of calcium from bones is? calcitonin
Calcium is need in the blood for the process of? Clotting
The hormone in women that promotes closure of the epiphyseal discs is? Estrogen
The hormone in men that promotes closure of the epiphyseal discs is? Testosterone
The hormone that provides energy for bone growth from all three food types is? Thyroxine
The hormone that provides energy for bone growth only from glucose is? Insulin
The hormone that contributes to bone growth by increasing the rate of mitosis is? Growth hormone
The hormones that contribute to bone growth by increasing the rate of protein synthesis are? Thyroxine / Growth hormone
Two hormones that provide ATP production needed for growing bones are? Insulin / Thyroxine
One function of the occipital a parietal bones is the same in that they? Protect the brain
The bone that protects the receptors for hearing is the? Temporal bone
Two bones that protect the eye are? Frontal / spheniod; maxilla; lacrimal; ethmoid; zygomatic
The air cavities in the maxillae and frontal bones are called? Paranasal sinuses
Two bones that contain paranasal sinuses are the? Frontal / maxilla; sphenoid; ethmoid
The paranasal sinuses are lined with? Ciliated epithelium
The mastoid sinus is in what bone? And opens to what cavity? Temporal / middle ear
The skull is made lighter in weight by the presence of___________ in some of the bones. Sinuses; air cavities
The sinus in the skull that does NOT provied resonance for the voice is the? Mastoid
The heart and liver are protected from mechanical injury by the? Rib cage
The manubrium and xiphoid process are both parts of the? Sternum
The parts of the sternum are the? Manubrium, the body, and the xiphoid process
The ribs that articulate directly with the sternum are the? True ribs
How many pairs of true ribs are there? 7
The ribs that articulate indirectly with the sternum are called? False ribs
How many pairs of false ribs are there? 3
The ribs that do not articulate with the sternum are called? Floating ribs
How many pairs of floating ribs are there? 2
The rib cage with its muscles is directly involved in the functioning of the? Respitory system
How many vertebrae are there in the neck? And what are they called? 7 / thoracic vertebrae
The vertebrae posterior to the lungs are called thoracic vertebrae, and there are_______ of them. 12
The vertebrae in the small of the back are called lumbar vertebrae, and there are _______ of them. 5
The human spine has two sets of fused vertebrae; these are the? Saccrum / coccyx
The sacrum is composed of five fused vertebrae, and articulates with the? Hip bones
The vertebral column contains and protects the? Spinal cord
The vertebrae are seperated and cushioned by? Discs made of cartilage
The shoulder joint is formed by the? Humerus and scapula
The hip joint is formed by the? Femur and hip bone
The shoulder and hip joints are similar in that both are? Ball and socket joints
The glenoid fossa and the acetabulum are both part of? Ball and socket joints
The type of joint that permits the greatest range of movement is the? Ball and socket joints
The type of joint that does not permit movement is the? Suture
The humerus and ulna form what kind of joint? Hinge joint
The femur and tibia form what kind of joint? Hinge joint
The two pubic bones form what kind of joint? Symphysis joint
The atlas and the axis form what kind of joint? Pivot joint
The ulna and radius form what kind of joint? Pivot joint
The metacarpal of the thumb and the adjacent carpal form what kind of joint? Sadal joint
The parietal and temporal bones form what kind of joint? Suture joint
The mandible and temporal bone form what kind of joint? Condyloid joint
Gliding joints are found between __________, which are the bones of the wrist. Carpals
A synovial joint is enclosed by the joint capsule, which is made of? Fibrous connective tissue
In a synovial joint, the capsule is lined with synovial membrane, which produces? Synovial fluid
The function of synovial fluid is to? Prevent friction
Preventing friction in a joint cavity is the function of? Synovial fluid
The bone surfaces in a synovial joint are smooth because of the presence of? Articular cartilages
The function of a bursa in joint is to permit the sliding of what? Tendon
Of pivot, saddle, and suture joints, which one is not a synovial joint? Suture
Of condyloid, gliding, and symphysis joints, which one is not a synovial joint? Symphysis
The structures that connect bone to bone are? Ligaments
Ligaments are made of what kind of tissue? Fibrous connective
Created by: laceychapman



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