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Bone growth in which the bone increases in diameter is called


A) interstitial growth.
B) epiphyseal growth.
C) appositional growth.
D) endosteal growth.
E) cancellous bone growth.

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As bones age,their percentage of inorganic material decreases,leading to increased flexibility.

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  -This figure shows the gross anatomy of a long bone.Which number indicates the medullary cavity? A) 1 B) 2 C) 3 D) 4 E) 5 -This figure shows the gross anatomy of a long bone.Which number indicates the medullary cavity?


A) 1
B) 2
C) 3
D) 4
E) 5

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Which is not a function of bone?


A) Protection
B) Mineral storage
C) Body movement
D) Hormone synthesis
E) Hemopoiesis

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In compact bone,___________ connect adjacent lacunae,thereby providing pathways for nutrients and other materials to pass between osteocytes.


A) osteonic canals
B) blood vessels
C) lamellae
D) canaliculi
E) perforating canals

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Consider the classifications of bone,and examples of each.Which classification comprises bones used primarily for movement rather than protection?


A) Short bones
B) Long bones
C) Flat bones
D) Irregular bones
E) Regular bones

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Bone cells called __________ break down bone by secreting hydrochloric acid and enzymes that dissolve the matrix.


A) osteoprogenitor cells
B) osteoid cells
C) osteocytes
D) osteoclasts
E) osteoblasts

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Once we reach adulthood and our bones are fully formed and hardened,they cannot be remodeled.

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Growth at the epiphyseal plate is specifically stimulated by


A) growth hormone.
B) estrogen and testosterone.
C) parathyroid hormone.
D) calcitonin and parathyroid hormone.
E) growth hormone,estrogen,and testosterone.

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Which bone forms by intramembranous ossification?


A) Zygomatic
B) Radius
C) Axis
D) Hamate
E) First metatarsal

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Where does hemopoiesis occur?


A) Epiphyseal line
B) Endosteum
C) Red bone marrow
D) Yellow bone marrow
E) Nutrient foramina

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Spongy bone


A) contains no osteocytes.
B) has spaces filled with yellow marrow.
C) is composed of tubular units called osteons.
D) forms diploe in the cranial bones.
E) All of the choices are correct.

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The slight decrease in bone mass with increased age is termed osteopenia.

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Which is characteristic of cartilage connective tissue?


A) Gel-like ground substance
B) Matrix of protein fibers
C) Cells called chondrocytes
D) Avascular
E) All of the choices are correct.

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Which structure does contain cartilage?


A) Larynx
B) Lung
C) Stomach
D) Knee
E) Ear

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When bone forms by intramembranous ossification,the ossification centers are within


A) hyaline cartilage.
B) compact bone.
C) mesenchyme.
D) elastic cartilage.
E) spongy bone.

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Which is not correct about osteoclasts?


A) They have a ruffled border to increase surface area.
B) They are found in pits called Howship's lacunae.
C) They function in bone resorption.
D) They are concentrated between the periosteum and the bone.
E) They are multinuclear.

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During bone formation,calcium phosphate and calcium hydroxide interact to form crystals of _________,which serve to harden the matrix.

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The bones of the wrist are classified as _____ bones.


A) long
B) regular
C) short
D) irregular
E) flat

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Each of the depressions on the maxillae and mandible that holds a tooth is called a(n)


A) fossa.
B) sulcus.
C) sinus.
D) alveolus.
E) foramen.

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