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SCI221-05

Week 5

QuestionAnswer
An age-related skeletal disease that is characterized by loss of bone mineral density and increased bone fragility is neoplasms. Paget’s disease. osteoporosis. osteomalacia. osteoporosis.
The humerus articulates proximally with the clavicle. True False False
Appositional growth of cartilage occurs when chondrocytes begin to divide and secrete additional calcium. additional matrix. less calcium. less matrix. additional matrix.
A condition that is caused by an abnormally increased roundness in the thoracic curvature is kyphosis. scoliosis. Scheuermann disease. lordosis. kyphosis.
Bones act as a reservoir for which of the following minerals? Copper Calcium Phosphorus Both B and C Both B and C
The cells responsible for active erosion of bone minerals are called: osteocytes. osteoclasts. osteoblasts. osteomorphytes. osteoclasts.
After the age of 50, the density of bone: levels off and maintains its composition, decreases slowly because of a shift in the remodeling activity. increases slowly because of a shift in the remodeling activity. decreases slowly because of chan decreases slowly because of a shift in the remodeling activity.
Which of the following is not dependent on the proper amount of calcium ions in the blood? Blood clotting Transmission of nerve impulses Contraction of cardiac muscle All of the above are dependent on the proper amount of calcium ions in the bloo All of the above are dependent on the proper amount of calcium ions in the blood.
In bone formation, the cells that produce the organic matrix are the: osteoblasts. osteocytes. osteoclasts. chondrocytes. osteoblasts.
The ulna articulates proximally with the: carpal bones. humerus. scapula. None of the above is correct. humerus.
During childbirth, a baby passes through an imaginary plane called the: pelvic outlet. symphysis pubis. pelvic brim. ilium. pelvic outlet.
Due to how the clavicle articulates with the scapula, all shoulder movements involve the sternoclavicular joint. True False True
An open fracture is also known as a compound fracture. True False True
Bones grow in diameter by the combined action of which two of the three bone cell types? osteoblasts and osteocytes osteoblasts and osteoclasts osteoclasts and osteocytes osteocytes and osteons osteoblasts and osteoclasts
In intramembranous ossification, the process of appositional growth refers to the: development of a core layer of spongy bone. development of compact bone in long bones. addition of an outside layer of osseous tissue on flat bones. lengthening of addition of an outside layer of osseous tissue on flat bones.
The humerus articulates proximally with the radius. ulna. scapula. does not have a proximal articulation scapula.
If there is an injury to the occipital bone you may expect that which sense is damaged? hearing speech smell vision vision
Until bone growth in length is complete, a layer of the cartilage, known as the _____, remains between the epiphysis and diaphysis. ossification plate proliferating zone zone of hypertrophy epiphyseal plate epiphyseal plate
Small cells that synthesize and secrete a specialized organic matrix are osteoclasts. osteons. osteoblasts. osteocytes. osteoblasts.
Please select the bone positioned most superiorly on the human skeleton frontal mandible vomer xiphoid process frontal
Created by: mecy1980
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