Question 1

Osteoid tissue is similar to bone except for a lack of minerals.

Accepted Answer

A) True 
 B)False

Question 2

have a ruffled border with many deep infoldings of the plasma membrane, whereas have long, thin, fingerlike cytoplasmic processes.

Accepted Answer

A)  Osteoclasts; osteocytes
B)  Osteocytes; osteoclasts
C)  Osteoblasts; osteoclasts
D)  Osteoblasts; osteocytes
E)  Osteocytes; osteogenic cellsF) A) and D)
G) C) and E)

Question 3

A radiograph (X-ray) of a child's hand will show epiphyseal lines.

Accepted Answer

A) True 
 B)False

Question 4

This image shows the anatomy of a long bone.What does "1" represent?

Accepted Answer

A)  marrow cavity
B)  compact bone
C)  spongy bone
D)  epiphyseal line
E)  articular cartilageF) D) and E)
G) A) and E)

Question 5

Osteoporosis is most common in elderly women because of the lack of , which would otherwise inhibit .

Accepted Answer

A)  dietary calcium; estrogen production
B)  osteoblasts; osteoclast activity
C)  estrogen; osteoclast activity
D)  parathyroid hormone; osteocyte activity
E)  exercise; osteoblast activityF) A) and D)
G) C) and D)

Question 6

are common in compact bone but rarely seen in spongy bone.

Accepted Answer

A)  Lamellae
B)  Osteoclasts
C)  Lacunae
D)  Central canals
E)  OsteocytesF) C) and E)
G) B) and E)

Question 7

If a thyroid tumor secreted an excessive amount of calcitonin, we would expect

Accepted Answer

A)  an elevated level of osteoclast activity.
B)  an elevated level of osteoblast activity.
C)  a reduced rate of endochondral ossification.
D)  a rise in blood calcium concentration.
E)  increasingly brittle bones.F) All of the above
G) A) and E)

Question 8

Intramembranous ossification produces the

Accepted Answer

A)  irregular bones of the vertebrae.
B)  flat bones of the skull.
C)  long bones of the limbs.
D)  short bones of the wrist.
E)  short bones of the ankle.F) A) and B)
G) B) and E)

Question 9

Phosphate is necessary for all of the following except

Accepted Answer

A)  ATP.
B)  DNA.
C)  phospholipids.
D)  RNA.
E)  amino acids.F) B) and D)
G) A) and C) E

Question 10

The skeleton does not

Accepted Answer

A)  store calcium and phosphate ions.
B)  store red blood cells.
C)  provide support for most muscles.
D)  protect the brain.
E)  protect the spinal cord.F) B) and E)
G) All of the above

Question 11

The result of calcium and phosphate levels in blood too low for normal deposition is a softness of the bones called in children and in adults.

Accepted Answer

A)  osteomalacia; rickets
B)  rickets; osteomalacia
C)  osteoporosis; osteomalacia
D)  osteomyelitis; osteosarcoma
E)  osteomyelitis; osteomalaciaF) D) and E)
G) B) and C)

Question 12

Blood Ca₂+ deficiency stimulates secretion, which leads to .

Accepted Answer

A)  calcitonin; more urinary phosphate reabsorption
B)  calcitriol; more urinary phosphate excretion
C)  parathyroid hormone; increased osteoclast activity
D)  growth hormone; increased osteoblast activity
E)  thyroid hormone; less urinary calcium excretionF) A) and B)
G) B) and D)

Question 13

Parathyroid hormone (PTH)  does not

Accepted Answer

A)  promote calcium reabsorption by the kidneys.
B)  stimulate osteoclast activity.
C)  lower blood calcium.
D)  promote calcitriol synthesis.
E)  inhibit osteoblast activity.F) D) and E)
G) A) and B)

Question 14

When become enclosed in lacunae, they become cells called .

Accepted Answer

A)  osteogenic cells; osteoblasts
B)  osteoblasts; osteoclasts
C)  osteoblasts; osteocytes
D)  osteocytes; osteoclasts
E)  osteocytes; osteoblastsF) B) and D)
G) C) and E)

Question 15

Which of the following is the correct sequence of events in the healing of a bone fracture?

Accepted Answer

A)  bone remodeling → soft callus formation → hard callus formation → hematoma formation
B)  bone remodeling → hard callus formation → soft callus formation → hematoma formation
C)  hematoma formation → soft callus formation → hard callus formation → bone remodeling
D)  hematoma formation → hard callus formation → soft callus formation → bone remodeling
E)  soft callus formation → hard callus formation → hematoma formation → bone remodelingF) B) and E)
G) C) and D) C

Question 16

Spicules and trabeculae are found in

Accepted Answer

A)  compact bone.
B)  bone matrix.
C)  yellow bone marrow.
D)  red bone marrow.
E)  spongy bone.F) D) and E)
G) B) and E)

Question 17

Chondrocytes multiply in this zone of the metaphysis.

Accepted Answer

A)  zone of reserve cartilage
B)  zone of cell proliferation
C)  zone of cell hypertrophy
D)  zone of calcification
E)  zone of bone depositionF) C) and D)
G) B) and C)

Question 18

Concentric lamellae within an osteon are connected with each other by lacunae.

Accepted Answer

A) True 
 B)False  False

Question 19

This image shows the anatomy of a long bone.What does "4" represent?

Accepted Answer

A)  marrow cavity
B)  compact bone
C)  spongy bone
D)  epiphyseal line
E)  articular cartilageF) B) and E)
G) All of the above

Question 20

The expanded head at each end of a long bone is called

Accepted Answer

A)  an epiphysis.
B)  a diaphysis.
C)  an articular cartilages.
D)  a periosteum.
E)  an endosteum.F) A) and E)
G) B) and C)

Exam 7: Bone Tissue

Osteoid tissue is similar to bone except for a lack of minerals.

Correct AnswerverifiedShow Answer

have a ruffled border with many deep infoldings of the plasma membrane, whereas have long, thin, fingerlike cytoplasmic processes.

Correct AnswerverifiedShow Answer

A radiograph (X-ray) of a child's hand will show epiphyseal lines.

Correct AnswerverifiedShow Answer

This image shows the anatomy of a long bone.What does "1" represent?

Correct AnswerverifiedShow Answer

Osteoporosis is most common in elderly women because of the lack of , which would otherwise inhibit .

Correct AnswerverifiedShow Answer

are common in compact bone but rarely seen in spongy bone.

Correct AnswerverifiedShow Answer

If a thyroid tumor secreted an excessive amount of calcitonin, we would expect

Correct AnswerverifiedShow Answer

Intramembranous ossification produces the

Correct AnswerverifiedShow Answer

Phosphate is necessary for all of the following except

Correct AnswerverifiedE

The skeleton does not

Correct AnswerverifiedShow Answer

The result of calcium and phosphate levels in blood too low for normal deposition is a softness of the bones called in children and in adults.

Correct AnswerverifiedShow Answer

Blood Ca₂+ deficiency stimulates secretion, which leads to .

Correct AnswerverifiedShow Answer

Parathyroid hormone (PTH) does not

Correct AnswerverifiedShow Answer

When become enclosed in lacunae, they become cells called .

Correct AnswerverifiedShow Answer

Which of the following is the correct sequence of events in the healing of a bone fracture?

Correct AnswerverifiedC

Spicules and trabeculae are found in

Correct AnswerverifiedShow Answer

Chondrocytes multiply in this zone of the metaphysis.

Correct AnswerverifiedShow Answer

Concentric lamellae within an osteon are connected with each other by lacunae.

Correct AnswerverifiedFalse

This image shows the anatomy of a long bone.What does "4" represent?

Correct AnswerverifiedShow Answer

The expanded head at each end of a long bone is called

Correct AnswerverifiedShow Answer

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E

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C

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False

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