Chamberlain University BIOS 251 Exam 3 questions and solutions

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Detects touch
Chamberlain University BIOS 251 Maintains the body temperature
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Synthesizes vitamin D
Exam 3 questions and solutions Stores lipids by
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Define Bone Remodeling - Correct Answer ✔✔ - The process of mature
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The shaft of the long bone is known
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bone adding and removing from the thickness of bone
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as ______. - Correct Answer ✔✔ -
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Diaphysis
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What are the four stages of bone repair? - Correct Answer ✔✔ - 1.
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Hematoma formation
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What can cause bones to become by by by by by




2. Soft callus formation
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weak, fragile, and porous? -
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3. Hard callus formation
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Correct Answer ✔✔ - Prolonged
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4. Bone remodeling
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What are the known functions of the skeletal system? - Correct Answer ✔✔ -
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Define the movement of the by by by by




Provides support
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synarthrotic joint - Correct Answer
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Protects the internal organs by by by
✔✔ - Immovable joint by by by




Assists with body movement by by by




Calcium homeostasis by Define the movement of the by by by by




Participates in blood cell production by by by by amphiarthrotic joint - Correct
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Stores triglycerides by
Answer ✔✔ - Slightly movable
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joint
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What type of bone is the pelvic bones? - Correct Answer ✔✔ - Irregular
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Define the movement of the by by by by




What type of bone is the ribs? - Correct Answer ✔✔ - Flat
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diarthrotic joint - Correct Answer
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✔✔ - Freely movable joint by by by by




What type of bone is the metacarpal bones? - Correct Answer ✔✔ - Long
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What is thin skin? - Correct Answer by by by by by by by by




What type of bone is the humerus? - Correct Answer ✔✔ - Long
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✔✔ - Covers MOST of the body by by by by by by




What type of bone is the carpal bones? - Correct Answer ✔✔ - Short
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Has FOUR layers of keratinocytes
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in the epidermis
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What type of bone is the clavicle? - Correct Answer ✔✔ - Long
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What is thick skin? - Correct by by by by by by




What type of bone is the sternum? - Correct Answer ✔✔ - Flat
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Answer ✔✔ - Truly HAIRLESS
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skin
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What type of bone is the vertebrae? - Correct Answer ✔✔ - Irregular
Covers the palms and soles of the
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feet
What type of bone is the fibula? - Correct Answer ✔✔ - Long
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Has FIVE layers of keratinocytes in by by by by by




The outer covering of bone that helps regulate bone thickness is known as the the epidermis
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_________. - Correct Answer ✔✔ - Periosteum
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What are the five layers of by by by by by




The two ends of a long bone are known as the ______. - Correct Answer ✔✔ - keratinocytes from deepest to
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Epiphysis
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surface layer? - Correct Answer ✔ by by by by by by by




✔ - Stratum basale by by by




What occurs during endochondral ossification? - Correct Answer ✔✔ -
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Stratum spinosum by by by by by by by by by



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Calcification
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Stratum granulosum by




Stratum lucidum by




Cartilage is replaced by bone by by


Stratum corneum by by


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What is NOT a true statement regarding the epiphyseal plate closure? -
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Hair growth cycle phases - Correct
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Correct Answer ✔✔ - Osteoblasts are replaced by chondrocytes.
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Answer ✔✔ - Anagen (active
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growth phase)
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Functions of the skin - Correct Answer ✔✔ - Protection by by by by by by by by by by

Catagen (transition phase) by by




Excretion Telogen (resting phase) by by

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Transition phase: Several weeks by by by




Three layers of hair - Correct Answer ✔✔ - Medulla (innermost layer)
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Resting phase: Several months by by by




Cortex (middle layer: provides strength, color, and texture)
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Cuticle (thin outer layer: protects the cortex) by
What are the six types of bone by by by by by
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based on shape? - Correct Answer by by by by by by by




Name the 3 layers that make up the skin in their proper order. - Correct Answer ✔✔ - Long
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✔✔ - Epidermis
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Short
Dermis Irregular
Hypodermis Sesamoid
Flat
What is NOT an accessory structure of the skin? - Correct Answer ✔✔ -
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Sutural by by by by by by by by by by by by




Arrector pili muscle
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What are the projections or by by by by




Describe the epidermis - Correct Answer ✔✔ - Thin outer layer. Thicker at elevations in bones? - Correct
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palms and soles. Contains keratin to make skin tough
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Answer ✔✔ - Process
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Describe the dermis - Correct Answer ✔✔ - Thick inner layer. Contains by by by by by by by by by by by by
Ramus
collagen to strengthen the skin. Origin of exocrine glands.
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What are the general features of by by by by by




Describe the hypodermis - Correct Answer ✔✔ - Layer of loose connective bones? - Correct Answer ✔✔ -
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tissue below the dermis; also called the subcutaneous layer of superficial
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Epiphysis: the two ends of long by by by by by by by by by
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fascia; important in stabilizing the position of the skin in relation to underlying bones
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tissues; dominated by adipose tissue.
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Diaphysis: the shaft by by by
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Medullary Cavity: hollow space by by by




within the diaphysis
Define osteogenesis - Correct Answer ✔✔ - Bone formation
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Endosteum: membrane lining the
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medullary cavity
What is a TRUE statement regarding bone REMODELING? - Correct Answer
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Periosteum: connective tissue
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✔✔ - Mature bone adds and removes from the thickness of bone
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covering the bone; helps regulate by by by by by by by by by




by by by by by




bone thickness by by




Which layer of strata is NOT found in THIN skin? - Correct Answer ✔✔ -
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Stratum lucidum
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What are the depressions or holes by by by by by




in bones? - Correct Answer ✔✔ - by by by by by by by by




Describe keratinocytes - Correct Answer ✔✔ - Most abundant cells of the Meatus
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epidermis
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Fossa
Produces a fibrous protein Foramen by by by




Fissure
Describe melanocytes - Correct Answer ✔✔ - Accounts for the variations of by by by by by by by by by by by by




hair color
by by
Define osteoprogenitor cells - by by by




Protects the skin from UV damage by

Correct Answer ✔✔ - Stem cells by by by by

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that develop into osteoblasts by by by by




What is a structure that is NOT found in hair? - Correct Answer ✔✔ - Lunule
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Define osteoblasts - Correct by by by by




What is NOT a function of the sebaceous glands? - Correct Answer ✔✔ -
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Answer ✔✔ - Bone by by by by by by by by by by by by
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Cooling the skin
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forming/building cells by
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Lays down the bone matrix by by by by




What accounts for the strength and resilience of the dermis? - Correct Answer
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✔✔ - Collagen fibers
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Define osteoclasts - Correct by
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Answer ✔✔ - Dissolves and by by by by by




What accounts for the stretch and recoil properties of the dermis? - Correct
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reabsorbs the bone matrix by by by by by by by by by by by by
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Answer ✔✔ - Elastic fibers
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Define osteocytes - Correct by by by by




What is NOT found in the DERMIS of the skin? - Correct Answer ✔✔ -
by by Answer ✔✔ - Mature bone cells by by by by by by by by by by by by by by by by by by by




Keratinocytes
by Maintains the bone matrix by by by




What is the duration of time for each phase of hair growth? - Correct Answer ✔
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✔ - Growth phase: Several years
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