Question 1

Which type of bone cells have processes that lie in canaliculi?

Accepted Answer

A)  osteocytes
B)  osteoblasts
C)  osteoclasts
D)  osteochondral progenitor cellE) C) and D)
F) All of the above

Question 2

What strengthens the attachment of the tendons or ligaments to bone?

Accepted Answer

A)  growth plate
B)  epiphysis
C)  Sharpey fibers
D)  medullary cavity
E)  endosteumF) B) and D)
G) A) and D)

Question 3

Which of the following occurs in the formation of mineralized bone matrix?

Accepted Answer

A)  Blood calcium is elevated.
B)  Hydrogen ions form an acid environment in bone matrix.
C)  Ca2+ is actively transported from bone matrix to the blood.
D)  The protein components of bone matrix are digested.
E)  Osteoblasts form collagen and proteoglycans.F) C) and E)
G) B) and D)

Question 4

An example of a long bone would be

Accepted Answer

A)  the sternum.
B)  the tibia.
C)  a rib.
D)  the clavicle.
E)  a carpal bone.F) A) and B)
G) C) and D)

Question 5

The primary mineral in bone is

Accepted Answer

A)  iron.
B)  sodium.
C)  potassium.
D)  calcium.
E)  oxygen.F) A) and B)
G) D) and E)

Question 6

Miguel falls out of a tree and breaks his fall by putting his arm out,fracturing his radius and ulna.What specific type of bone fracture is Miguel most likely to have?

Accepted Answer

A)   dentate fracture
B)   impaction fracture
C)   spiral fracture
D)   complicated fracture
E)   none of theseF) B) and C)
G) A) and B)

Question 7

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

Accepted Answer

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

Question 8

Chondroblasts produce

Accepted Answer

A)  ligaments.
B)  blood cells.
C)  bone tissue.
D)  cartilage matrix.
E)  synovial fluid.F) A) and C)
G) B) and E)

Question 9

A bone fracture in which the two bone sections do not separate is a(an)

Accepted Answer

A)  closed fracture.
B)  hairline fracture.
C)  open fracture.
D)  impaction fracture.
E)  comminuted fracture.F) C) and D)
G) B) and D)

Question 10

Define basic multicellular unit (BMU) .

Accepted Answer

A)   The clusters of chondrocytes within the metaphysis that will be converted to bone
B)   A group of osteoblasts and osteoclasts that work together during bone remodeling
C)   The osteoblasts found in the deepest layer of the periosteum,involved in appositional growthD) A) and C)
E) A) and B)

Question 11

Bone growth of the epiphysis occurs at the

Accepted Answer

A)  diaphysis.
B)  joint cavity.
C)  epiphyseal plate.
D)  perichondrium.
E)  articular cartilage.F) None of the above
G) A) and B)

Question 12

Which of the following is NOT an effect of parathyroid hormone (PTH) ?

Accepted Answer

A)  increased Ca2+ uptake by the small intestine
B)  increased vitamin D formation in the kidneys
C)  increased Ca2+ reabsorption by the kidneys
D)  decreased Ca2+ loss by the kidneys
E)  All of these are effects of PTH.F) A) and C)
G) C) and D)

Question 13

Brittle bone disorder is another name for

Accepted Answer

A)  scurvy.
B)  osteomyelitis.
C)  osteoporosis.
D)  osteomalacia.
E)  osteogenesis imperfecta.F) A) and E)
G) C) and D)

Question 14

What is the site of longitudinal growth in long bones?

Accepted Answer

A)  epiphyseal plate
B)  epiphysis
C)  medullary cavity
D)  Sharpey's fibers
E)  endosteumF) A) and E)
G) A) and D)

Question 15

Which type of bone cells package calcium and phosphate ions?

Accepted Answer

A)  osteochondral progenitor cell
B)  osteoclasts
C)  osteoblasts
D)  osteocytesE) A) and D)
F) B) and D)

Question 16

Collagen and calcium hydroxyapatite are the primary constituents of

Accepted Answer

A)  bone matrix.
B)  blood.
C)  fibrous cartilage.
D)  hyaline cartilage.
E)  ligaments.F) D) and E)
G) B) and C)

Question 17

The processes of intramembranous and endochondral ossification are similar in several respects.Which of the following statements applies to both intramembranous and endochondral ossification?

Accepted Answer

A)  Both processes require a precursor of connective tissue membranes.
B)  Both processes form woven bone.
C)  Both only form flat bones.
D)  Chondrocytes participate in both processes.
E)  In both processes,bone replaces cartilage.F) A) and D)
G) All of the above

Question 18

Which type of bone cells possess extensive ER and ribosomes?

Accepted Answer

A)  osteocytes
B)  osteoblasts
C)  osteoclasts
D)  osteochondral progenitor cellE) A) and B)
F) All of the above

Question 19

When blood calcium levels are low

Accepted Answer

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

Question 20

What effects can be attributed to increased pressure on a bone?

Accepted Answer

A)   increased osteoclast activity
B)   increased osteoblast activityC) A) and B)
D) undefined

Exam 6: Skeletal System: Bones and Bone Tissue

What is the site of longitudinal growth in long bones?

Correct AnswerverifiedShow Answer

Collagen and calcium hydroxyapatite are the primary constituents of

Correct AnswerverifiedShow Answer

Which type of bone cells possess extensive ER and ribosomes?

Correct AnswerverifiedShow Answer

What strengthens the attachment of the tendons or ligaments to bone?

Correct AnswerverifiedShow Answer

A bone fracture in which the two bone sections do not separate is a(an)

Correct AnswerverifiedShow Answer

Which of the following occurs in the formation of mineralized bone matrix?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

An example of a long bone would be

Correct AnswerverifiedShow Answer

Which type of bone cells package calcium and phosphate ions?

Correct AnswerverifiedShow Answer

Bone growth of the epiphysis occurs at the

Correct AnswerverifiedShow Answer

Define basic multicellular unit (BMU) .

Correct AnswerverifiedShow Answer

When blood calcium levels are low

Correct AnswerverifiedShow Answer

Which type of bone cells have processes that lie in canaliculi?

Correct AnswerverifiedShow Answer

Chondroblasts produce

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The processes of intramembranous and endochondral ossification are similar in several respects.Which of the following statements applies to both intramembranous and endochondral ossification?

Correct AnswerverifiedShow Answer

The primary mineral in bone is

Correct AnswerverifiedShow Answer

Miguel falls out of a tree and breaks his fall by putting his arm out,fracturing his radius and ulna.What specific type of bone fracture is Miguel most likely to have?

Correct AnswerverifiedShow Answer

Which of the following is NOT an effect of parathyroid hormone (PTH) ?

Correct AnswerverifiedShow Answer

What effects can be attributed to increased pressure on a bone?

Correct AnswerverifiedShow Answer

Brittle bone disorder is another name for

Correct AnswerverifiedShow Answer

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