A) bone destrnuction to hbeeate calcium 20) C) bone model of the letal Ione 21)

Question

A) bone destrnuction to hbeeate calcium 20) C) bone model of the letal Ione 21) Lengthwse, long bone growthdurng infncy and youth is eacuslvely throuh 21) A) interstitial growth of the epiphyseal plales 1) the secretion of bone matrisx into the medullary cavity Q) caksification of the matris of the cone undelying a D) diffeentiation of osteoclasts into csteocytes 22) What tissue forms the moded for endoxhondirial a A) cartilag B) bone D) fascia e membranous areas between the cranial bones of the fetal shull are called A) areolas D) subares B) fontanelles C) forannina 24) 24) What makes up the asial skedeton? B) shoulder and pelvik girdles A) the skull vertebral coumn, and pelvis C the skull, vertebeal column, and rnb cage D)arms, legs, hands, and feet 25) The ethmoid bone is composed of all of the followingexcept the A) crbriform plate O crista gall B) superior nasal concha D) inferior nasal concha 26) Which vertebra does not have a body? D) axds B) last cervical ) last humbar A) atlas 27 The pituitary gland is housed in the A) sinuses of the ethmoid bone C) vomer B) sella turcka of the sphenoid bone D) foramen laceram 28) 28) The hyoid bone is unique because " A) is the only irregular bone found in the neck B) is the only bone formed by the fusion of right and left halves C) is the only bone of the body that does not articulate with any other bone D) is composed of three bones joined together 29) What is the major function of the intervertebral dises? A) prevent hyperextension C) absorb shock B) prevent hyperextension of the spine D) string the vertebrae together 30) 30) Paranasal sinuses are found in which of these facial bones? A) nasal conchae Q) zygomatic bones B) vomer D) maxillae

Explanation / Answer

20. ( c) bone formation

21. ( a) Intersitial growth of the epiphyseal plates

22. (b) bone

23. ( b) fontanelles

24. (c) The axial skeleton is the part of the skeleton that consists of the bones of the head and trunk of a vertebrate. In the human skeleton, it consists of 80 bones and is composed of six parts; the skull bones, the ossicles of the middle ear, the hyoid bone, therib cage, sternum and the vertebral column.

25. (d) inferior nasal conchea

26. ( a) atlas

27. (b).Located at the base of the brain, the pituitary gland is protected by a bony structure called the sella turcica of the sphenoid bone.

28.( c) is the only bone of the body that does not articulate with any other bone

29. ( c) absorb shock

30. ( d) Paranasal sinuses enhance the resonance of the voice and lighten the skull. C) Paranasal sinuses contain passages acting as one-way valves. D) Paranasal sinuses are found in maxillary, ethmoid, and lacrimal bones.

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