Question 1

How does the cardiovascular system contribute to osteoporosis?

Accepted Answer

A)   inadequate amounts of calcium and vitamin D in the diet
B)   lack of exercise reduces muscle stress on bone
C)   pain following injury helps prevent further injury
D)   blood clotting starts repair process
E)   calcitonin is used to treat osteoporosisF) B) and D)
G) B) and C)

Question 2

How does the endocrine system affect osteoporosis?

Accepted Answer

A)   inadequate amounts of calcium and vitamin D in the diet
B)   lack of exercise reduces muscle stress on bone
C)   pain following injury helps prevent further injury
D)   blood clotting starts repair process
E)   calcitonin is used to treat osteoporosisF) A) and E)
G) B) and E)

Question 3

The cell type that is responsible for maintaining bone once it has been formed is the

Accepted Answer

A)   osteoclast.
B)   osteoblast.
C)   chondrocyte.
D)   osteocyte.
E)   chondroblast.F) C) and D)
G) None of the above

Question 4

-What does structure "C" represent on the bone diagram?

Accepted Answer

A)   cancellous bone
B)   diaphysis
C)   epiphyseal lines
D)   articular cartilage
E)   epiphysisF) A) and C)
G) B) and E)

Question 5

Which of the following matrix molecules in cartilage tends to trap large quantities of water?

Accepted Answer

A)   collagen
B)   proteoglycan
C)   hyaluronic acid
D)   elastin
E)   chondrocytesF) D) and E)
G) B) and E)

Question 6

Woven bone

Accepted Answer

A)   has its collagen fibers randomly oriented.
B)   has a porous appearance.
C)   is organized into thin sheets of tissue.
D)   is very light in weight.
E)   is not easily restructured.F) A) and C)
G) A) and D)

Question 7

Normal bone growth requires adequate amounts of _____, _____, and _____ in the diet.

Accepted Answer

A)   sodium, calcium, and vitamin E
B)   potassium, calcium, and vitamin D
C)   calcium, phosphate, and vitamin D
D)   vitamin D, phosphate, and chloride
E)   vitamin E, vitamin B, and vitamin AF) None of the above
G) B) and C)

Question 8

Ligaments attach

Accepted Answer

A)   muscle to muscle.
B)   bone to bone.
C)   muscle to bone.
D)   nerve to bone.
E)   nerve to muscle.F) A) and B)
G) A) and C)

Question 9

Interconnecting rods of bone are

Accepted Answer

A)   lamellae.
B)   lacunae.
C)   canaliculi.
D)   periosteum.
E)   trabeculae.F) D) and E)
G) A) and E)

Question 10

Which type of bone cells package calcium and phosphate ions?

Accepted Answer

A)   osteochondral progenitor cell
B)   osteoblasts
C)   osteocytes
D)   osteoclastsE) A) and D)
F) C) and D)

Question 11

The type of lamellae found between osteons (Haversian systems)  is

Accepted Answer

A)   circumferential.
B)   concentric.
C)   interstitial.
D)   appositional.
E)   oppositional.F) A) and D)
G) B) and C)

Question 12

The collar that forms around the opposing ends of bone fragments is called a(n)

Accepted Answer

A)   osteon.
B)   external callus.
C)   hematoma.
D)   epiphysis.
E)   internal callus.F) A) and E)
G) A) and D)

Question 13

How does the respiratory system contribute to osteoporosis?

Accepted Answer

A)   Lack of exposure to sunlight reduces vitamin D production and decreases calcium absorption.
B)   Immune cells resist infections and release chemicals that promote tissue repair.
C)   Excessive smoking lowers estrogen levels, which increases bone loss.
D)   Calcium ions released from the bones are excreted.
E)   Decreased estrogen levels following menopause contribute to the disease.F) A) and B)
G) C) and D)

Question 14

When blood calcium levels are low

Accepted Answer

A)   ostoclast activity increases.
B)   calcitonin secretion increases.
C)   calcium absorption is reduced.
D)   bones produce more bone tissue.
E)   osteoblast activity increases.F) All of the above
G) A) and E)

Question 15

Osteoclasts have projections that cause bone reabsorption called

Accepted Answer

A)   canaliculi.
B)   lacunae.
C)   ruffled borders.
D)   lamellae.
E)   crossroads.F) A) and B)
G) A) and C)

Question 16

Small channels extending through the bone matrix are

Accepted Answer

A)   lamellae.
B)   lacunae.
C)   canaliculi.
D)   periosteum.
E)   trabeculae.F) A) and E)
G) A) and D)

Question 17

Which of the following cell types is responsible for breaking down bone matrix?

Accepted Answer

A)   chondroclast
B)   osteoclast
C)   chondroblast
D)   fibroblast
E)   osteocyteF) A) and B)
G) B) and C)

Question 18

Long bones grow in length at the

Accepted Answer

A)   epiphyseal plate.
B)   articular cartilage.
C)   center of the shaft.
D)   endosteum-periosteum junction.
E)   center of the epiphysis.F) A) and C)
G) A) and D)

Question 19

-This is a diagram of calcium homeostasis. What process is represented by "E"?

Accepted Answer

A)   PTH promotes calcium release into blood by osteoclast.
B)   Calcium is removed from blood by osteoblasts.
C)   Vitamin D promotes calcium absorption.
D)   Calcium is lost in urine.
E)   PTH promotes calcium reabsorption from urine.F) A) and D)
G) None of the above

Question 20

The covering of the outer surface of bone is the

Accepted Answer

A)   lamellae.
B)   lacunae.
C)   canaliculi.
D)   periosteum.
E)   trabeculae.F) A) and B)
G) C) and D)

Exam 6: Skeletal System: Bones and Bone Tissue

Osteoclasts have projections that cause bone reabsorption called

Correct AnswerverifiedShow Answer

Long bones grow in length at the

Correct AnswerverifiedShow Answer

Which type of bone cells package calcium and phosphate ions?

Correct AnswerverifiedShow Answer

Normal bone growth requires adequate amounts of _____, _____, and _____ in the diet.

Correct AnswerverifiedShow Answer

Ligaments attach

Correct AnswerverifiedShow Answer

How does the cardiovascular system contribute to osteoporosis?

Correct AnswerverifiedShow Answer

How does the endocrine system affect osteoporosis?

Correct AnswerverifiedShow Answer

-What does structure "C" represent on the bone diagram?

Correct AnswerverifiedShow Answer

Woven bone

Correct AnswerverifiedShow Answer

When blood calcium levels are low

Correct AnswerverifiedShow Answer

The cell type that is responsible for maintaining bone once it has been formed is the

Correct AnswerverifiedShow Answer

The covering of the outer surface of bone is the

Correct AnswerverifiedShow Answer

-This is a diagram of calcium homeostasis. What process is represented by "E"?

Correct AnswerverifiedShow Answer

The type of lamellae found between osteons (Haversian systems) is

Correct AnswerverifiedShow Answer

Small channels extending through the bone matrix are

Correct AnswerverifiedShow Answer

Which of the following cell types is responsible for breaking down bone matrix?

Correct AnswerverifiedShow Answer

The collar that forms around the opposing ends of bone fragments is called a(n)

Correct AnswerverifiedShow Answer

Interconnecting rods of bone are

Correct AnswerverifiedShow Answer

How does the respiratory system contribute to osteoporosis?

Correct AnswerverifiedShow Answer

Which of the following matrix molecules in cartilage tends to trap large quantities of water?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Normal bone growth requires adequate amounts of ___, _, and ___ in the diet.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified