Question 1

For most individuals the main source of vitamin D is dietary intake of milk.

Accepted Answer

A) True 
 B)False

Question 2

What would be the effect on bone growth of insufficient dietary calcium

Accepted Answer

A)  There would be no effect,because the body is able to synthesize calcium.
B)  The matrix would be softer.
C)  The bone would be less flexible.
D)  The epiphyseal plates would ossify earlier in development.
E)  There would be increased formation of spongy bone.F) A) and D)
G) None of the above

Question 3

Describe the stimulus for bone resorption and how resorption is carried out at the cellular and chemical levels.

Accepted Answer

When blood calcium is low,reso...

Question 4

Where does hemopoiesis occur

Accepted Answer

A)  Epiphyseal line
B)  Endosteum
C)  Red bone marrow
D)  Yellow bone marrow
E)  Nutrient foraminaF) C) and E)
G) A) and B)

Question 5

Since cartilage must be continuously replaced in the body,appositional and interstitial growth of cartilage continues throughout life.

Accepted Answer

A) True 
 B)False

Question 6

Glucocorticoids increase bone ________;high levels of serotonin lead to _____ bone density.

Accepted Answer

A)  formation;high
B)  formation;low
C)  loss;high
D)  loss;lowE) B) and C)
F) All of the above

Question 7

Calcitriol stimulates absorption of calcium in the small intestine.

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A)  hyaline cartilage.
B)  compact bone.
C)  mesenchyme.
D)  elastic cartilage.
E)  spongy bone.F) All of the above
G) D) and E)

Question 9

The bones of the fingers and toes (phalanges) are categorized as _____ bones.

Accepted Answer

A)  long
B)  irregular
C)  short
D)  flat
E)  sesamoidF) A) and B)
G) A) and C)

Question 10

The type of bone tissue that is replaced more frequently is ________ bone;the part of the femur that is replaced more frequently is the __________.

Accepted Answer

A)  compact;distal epiphysis
B)  compact;diaphysis
C)  spongy;distal epiphysis
D)  spongy;diaphysisE) C) and D)
F) A) and B)

Question 11

Calcitonin _________ osteoclast activity,which will _________ blood calcium levels.

Accepted Answer

A)  stimulates;increase
B)  stimulates;decrease
C)  inhibits;increase
D)  inhibits;decreaseE) A) and B)
F) A) and C)

Question 12

-This figure illustrates the microscopic anatomy of spongy bone.Which number indicates a central canal

Accepted Answer

A)  1
B)  2
C)  4
D)  5
E)  None of the choices is correct.F) None of the above
G) A) and E)

Question 13

Which is characteristic of cartilage connective tissue

Accepted Answer

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

Question 14

The bones of the wrist are classified as _____ bones.

Accepted Answer

A)  long
B)  regular
C)  short
D)  irregular
E)  flatF) A) and B)
G) C) and D)

Question 15

Parathyroid hormone and calcitriol

Accepted Answer

A)  stimulate osteoclasts to resorb bone and release calcium into the blood.
B)  stimulate osteoblasts to deposit bone by producing calcified matrix.
C)  stimulate osteoblasts to resorb bone and lower blood calcium levels.
D)  stimulate osteoclasts to move calcium from the blood and into the bone.E) None of the above
F) All of the above

Question 16

Which type of cell produces new bone tissue by secreting matrix

Accepted Answer

A)  Osteocytes
B)  Osteoclasts
C)  Osteoblasts
D)  Osteoprogenitor cells
E)  Bone-lining cellsF) A) and E)
G) B) and E)

Question 17

The process of bone repair includes these steps:
A: Fracture hematoma forms
B: Bone is remodeled
C: Fibrocartilaginous callus forms
D: Bony callus forms
The correct chronological order for these steps is

Accepted Answer

A)  a - c - d - b
B)  a - b - d - c
C)  c - d - b - a
D)  d - a - b - c
E)  b - a - c - dF) A) and C)
G) A) and E)

Question 18

Parathyroid hormone release is triggered by _______ levels of calcium in the blood.

Accepted Answer

A)  high
B)  lowC) A) and B)
D) undefined

Question 19

During appositional growth of cartilage,the cells that produce the matrix are the

Accepted Answer

A)  chondrocytes.
B)  osteocytes.
C)  fibroblasts.
D)  chondroblasts.
E)  osteoblasts.F) A) and C)
G) A) and E)

Question 20

Endochondral ossification begins with a(n) _________ model.

Accepted Answer

A)  mesenchyme
B)  dense connective tissue
C)  hyaline cartilage
D)  membranous
E)  osteoidF) B) and C)
G) A) and B)

Exam 7: Skeletal System: Bone Structure and Function

Endochondral ossification begins with a(n) _________ model.

Correct AnswerverifiedShow Answer

Calcitriol stimulates absorption of calcium in the small intestine.

Correct AnswerverifiedShow Answer

Which type of cell produces new bone tissue by secreting matrix

Correct AnswerverifiedShow Answer

The type of bone tissue that is replaced more frequently is ________ bone;the part of the femur that is replaced more frequently is the __________.

Correct AnswerverifiedShow Answer

For most individuals the main source of vitamin D is dietary intake of milk.

Correct AnswerverifiedShow Answer

The bones of the fingers and toes (phalanges) are categorized as _____ bones.

Correct AnswerverifiedShow Answer

Parathyroid hormone and calcitriol

Correct AnswerverifiedShow Answer

Describe the stimulus for bone resorption and how resorption is carried out at the cellular and chemical levels.

Correct AnswerverifiedWhen blood calcium is low,reso...View AnswerShow Answer

Since cartilage must be continuously replaced in the body,appositional and interstitial growth of cartilage continues throughout life.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Calcitonin _________ osteoclast activity,which will _________ blood calcium levels.

Correct AnswerverifiedShow Answer

-This figure illustrates the microscopic anatomy of spongy bone.Which number indicates a central canal

Correct AnswerverifiedShow Answer

During appositional growth of cartilage,the cells that produce the matrix are the

Correct AnswerverifiedShow Answer

What would be the effect on bone growth of insufficient dietary calcium

Correct AnswerverifiedShow Answer

The bones of the wrist are classified as _____ bones.

Correct AnswerverifiedShow Answer

Parathyroid hormone release is triggered by _______ levels of calcium in the blood.

Correct AnswerverifiedShow Answer

Where does hemopoiesis occur

Correct AnswerverifiedShow Answer

The process of bone repair includes these steps: A: Fracture hematoma forms B: Bone is remodeled C: Fibrocartilaginous callus forms D: Bony callus forms The correct chronological order for these steps is

Correct AnswerverifiedShow Answer

Glucocorticoids increase bone ________;high levels of serotonin lead to _____ bone density.

Correct AnswerverifiedShow Answer

Which is characteristic of cartilage connective tissue

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The type of bone tissue that is replaced more frequently is bone;the part of the femur that is replaced more frequently is the __.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
When blood calcium is low,reso...
View Answer

Correct Answer
verified

Correct Answer
verified

Calcitonin _ osteoclast activity,which will _ blood calcium levels.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Glucocorticoids increase bone ____;high levels of serotonin lead to _ bone density.

Correct Answer
verified

Correct Answer
verified