Chamberlain University BIOS 251 Exam 3 |95 Questions and
Answers
Define Bone Remodeling - -The process of mature bone adding and removing from the
thickness of bone
-What are the four stages of bone repair? - -1. Hematoma formation
2. Soft callus formation
3. Hard callus formation
4. Bone remodeling
-What are the known functions of the skeletal system? - -Provides support
Protects the internal organs
Assists with body movement
Calcium homeostasis
Participates in blood cell production
Stores triglycerides
-What type of bone is the pelvic bones? - -Irregular
-What type of bone is the ribs? - -Flat
-What type of bone is the metacarpal bones? - -Long
-What type of bone is the humerus? - -Long
-What type of bone is the carpal bones? - -Short
-What type of bone is the clavicle? - -Long
-What type of bone is the sternum? - -Flat
-What type of bone is the vertebrae? - -Irregular
-What type of bone is the fibula? - -Long
-The outer covering of bone that helps regulate bone thickness is known as the _________. - -
Periosteum
-The two ends of a long bone are known as the ______. - -Epiphysis
-What occurs during endochondral ossification? - -Calcification
Cartilage is replaced by bone
, -What is NOT a true statement regarding the epiphyseal plate closure? - -Osteoblasts are
replaced by chondrocytes.
-Functions of the skin - -Protection
Excretion
Detects touch
Maintains the body temperature
Synthesizes vitamin D
Stores lipids
-The shaft of the long bone is known as ______. - -Diaphysis
-What can cause bones to become weak, fragile, and porous? - -Prolonged period of
inactivity
-Define the movement of the synarthrotic joint - -Immovable joint
-Define the movement of the amphiarthrotic joint - -Slightly movable joint
-Define the movement of the diarthrotic joint - -Freely movable joint
-What is thin skin? - -Covers MOST of the body
Has FOUR layers of keratinocytes in the epidermis
-What is thick skin? - -Truly HAIRLESS skin
Covers the palms and soles of the feet
Has FIVE layers of keratinocytes in the epidermis
-What are the five layers of keratinocytes from deepest to surface layer? - -Stratum basale
Stratum spinosum
Stratum granulosum
Stratum lucidum
Stratum corneum
-Hair growth cycle phases - -Anagen (active growth phase)
Catagen (transition phase)
Telogen (resting phase)
-Three layers of hair - -Medulla (innermost layer)
Cortex (middle layer: provides strength, color, and texture)
Cuticle (thin outer layer: protects the cortex)
-Name the 3 layers that make up the skin in their proper order. - -Epidermis
Answers
Define Bone Remodeling - -The process of mature bone adding and removing from the
thickness of bone
-What are the four stages of bone repair? - -1. Hematoma formation
2. Soft callus formation
3. Hard callus formation
4. Bone remodeling
-What are the known functions of the skeletal system? - -Provides support
Protects the internal organs
Assists with body movement
Calcium homeostasis
Participates in blood cell production
Stores triglycerides
-What type of bone is the pelvic bones? - -Irregular
-What type of bone is the ribs? - -Flat
-What type of bone is the metacarpal bones? - -Long
-What type of bone is the humerus? - -Long
-What type of bone is the carpal bones? - -Short
-What type of bone is the clavicle? - -Long
-What type of bone is the sternum? - -Flat
-What type of bone is the vertebrae? - -Irregular
-What type of bone is the fibula? - -Long
-The outer covering of bone that helps regulate bone thickness is known as the _________. - -
Periosteum
-The two ends of a long bone are known as the ______. - -Epiphysis
-What occurs during endochondral ossification? - -Calcification
Cartilage is replaced by bone
, -What is NOT a true statement regarding the epiphyseal plate closure? - -Osteoblasts are
replaced by chondrocytes.
-Functions of the skin - -Protection
Excretion
Detects touch
Maintains the body temperature
Synthesizes vitamin D
Stores lipids
-The shaft of the long bone is known as ______. - -Diaphysis
-What can cause bones to become weak, fragile, and porous? - -Prolonged period of
inactivity
-Define the movement of the synarthrotic joint - -Immovable joint
-Define the movement of the amphiarthrotic joint - -Slightly movable joint
-Define the movement of the diarthrotic joint - -Freely movable joint
-What is thin skin? - -Covers MOST of the body
Has FOUR layers of keratinocytes in the epidermis
-What is thick skin? - -Truly HAIRLESS skin
Covers the palms and soles of the feet
Has FIVE layers of keratinocytes in the epidermis
-What are the five layers of keratinocytes from deepest to surface layer? - -Stratum basale
Stratum spinosum
Stratum granulosum
Stratum lucidum
Stratum corneum
-Hair growth cycle phases - -Anagen (active growth phase)
Catagen (transition phase)
Telogen (resting phase)
-Three layers of hair - -Medulla (innermost layer)
Cortex (middle layer: provides strength, color, and texture)
Cuticle (thin outer layer: protects the cortex)
-Name the 3 layers that make up the skin in their proper order. - -Epidermis
