Question 1

Bone growth in length occurs by mitosis of

Accepted Answer

A)   concentric lamellae.
B)   cartilage cells in the epiphyseal side of the metaphysis.
C)   growth of trabeculae.
D)   osteoblasts in the endosteum.
E)   cartilage cells in the diaphyseal side of the metaphysis.F) B) and C)
G) All of the above

Question 2

A calcified skeletal muscle is an example of

Accepted Answer

A)   bone spurs.
B)   osteoporosis.
C)   heterotopic bone formation.
D)   osteodysplasia.
E)   osteomalacia.F) A) and D)
G) C) and E)

Question 3

The interconnecting tiny arches of bone tissue found in spongy bone are called

Accepted Answer

A)   osteons.
B)   trabeculae.
C)   concentric lamellae.
D)   interstitial lamellae.
E)   lacunae.F) A) and C)
G) B) and E)

Question 4

________ marrow is found between the trabeculae of spongy bone.

Accepted Answer

A)   Blue
B)   Yellow
C)   White
D)   Gray
E)   RedF) C) and D)
G) A) and D)

Question 5

Which of the following is true of osteoclasts?

Accepted Answer

A)   Osteoclasts maintain protein and mineral content of matrix.
B)   Osteoclasts are responsible for laying down osteoid.
C)   Osteoclasts form cytoplasmic extensions within canaliculi.
D)   Osteoclasts are located within lacunae.
E)   Osteoclasts secretes protein digesting enzymes and acids that dissolve matrix.F) A) and E)
G) A) and B)

Question 6

Figure 6-2 Endochondral Ossification
 
Use Figure 6-2 to answer the following question(s) :
-Identify the structure labeled "2."

Accepted Answer

A)   epiphysis
B)   diaphysis
C)   metaphysis
D)   marrow cavity
E)   trabeculaeF) All of the above
G) A) and E)

Question 7

Bones that are small, round and tend to develop in tendons are

Accepted Answer

A)   long bones.
B)   flat bones.
C)   sesamoid bones.
D)   short bones.
E)   irregular bones.F) None of the above
G) A) and E)

Question 8

When the epiphyseal plate is replaced by bone,

Accepted Answer

A)   puberty begins.
B)   interstitial bone growth begins.
C)   appositional bone growth begins.
D)   long bones have reached their adult length.
E)   the bone becomes more brittle.F) B) and C)
G) C) and D)

Question 9

Bones that are boxy with approximately equal dimensions are

Accepted Answer

A)   long bones.
B)   flat bones.
C)   sesamoid bones.
D)   short bones.
E)   irregular bones.F) A) and E)
G) B) and D)

Question 10

Where in the body does the production of precursors for the synthesis of calcitriol occur?

Accepted Answer

A)   bone
B)   kidneys
C)   small intestine
D)   liver
E)   skinF) A) and B)
G) B) and D)

Question 11

Asmall rough bump on bone where a tendon attaches is called a

Accepted Answer

A)   tubercle.
B)   trochanter.
C)   trochlea.
D)   tuberosity.
E)   trabecula.F) A) and C)
G) A) and E)

Question 12

A________ is a smooth, grooved bone process shaped like a pulley.

Accepted Answer

A)   tubercle
B)   trochanter
C)   trochlea
D)   tuberosity
E)   trabeculaeF) B) and E)
G) C) and E)

Question 13

The adult skeleton contains ________ major bones.

Accepted Answer

A)   88
B)   115
C)   174
D)   206
E)   251F) None of the above
G) B) and C)

Question 14

Which of the following statements about Marfan's syndrome is false?

Accepted Answer

A)   It results in short, stubby fingers.
B)   It results from a mutation.
C)   It affects connective tissue structures.
D)   It affects epiphyseal cartilages.
E)   It may also cause cardiovascular problems.F) All of the above
G) C) and D)

Question 15

What type of tissue is replaced in the embryo during endochondral ossification?

Accepted Answer

A)   connective tissue membranes
B)   fibrocartilage
C)   mesenchymal tissue
D)   hyaline cartilage
E)   Wharton's jellyF) All of the above
G) A) and D)

Question 16

A shallow depression on a bone is termed a

Accepted Answer

A)   fossa.
B)   sulcus.
C)   facet.
D)   fissure.
E)   line.F) A) and D)
G) B) and D)

Question 17

In a ________ fracture one side of the shaft is split and the other side is bent.

Accepted Answer

A)   comminuted
B)   greenstick
C)   compression
D)   transverse
E)   spiralF) D) and E)
G) C) and E)

Question 18

Would you expect to see changes in blood levels of the hormones calcitonin and PTH as a result of vitaminD3deficiency? Explain.

Accepted Answer

A person deficient in vitamin D? would n...

Question 19

Of the total organic components in bone most of it is

Accepted Answer

A)   collagen.
B)   keratin.
C)   keratohyalin.
D)   elastin.
E)   actin.F) B) and C)
G) A) and D)

Question 20

________ bone reduces the weight of the skeleton and reduces the load on muscles.

Accepted Answer

A)   Short
B)   Irregular
C)   Spongy
D)   Compact
E)   LongF) All of the above
G) A) and D)

Exam 6: Bones and Bone Structure

________ marrow is found between the trabeculae of spongy bone.

Correct AnswerverifiedShow Answer

Bones that are small, round and tend to develop in tendons are

Correct AnswerverifiedShow Answer

What type of tissue is replaced in the embryo during endochondral ossification?

Correct AnswerverifiedShow Answer

A shallow depression on a bone is termed a

Correct AnswerverifiedShow Answer

In a ________ fracture one side of the shaft is split and the other side is bent.

Correct AnswerverifiedShow Answer

When the epiphyseal plate is replaced by bone,

Correct AnswerverifiedShow Answer

Which of the following statements about Marfan's syndrome is false?

Correct AnswerverifiedShow Answer

Asmall rough bump on bone where a tendon attaches is called a

Correct AnswerverifiedShow Answer

Bone growth in length occurs by mitosis of

Correct AnswerverifiedShow Answer

________ bone reduces the weight of the skeleton and reduces the load on muscles.

Correct AnswerverifiedShow Answer

Figure 6-2 Endochondral Ossification Use Figure 6-2 to answer the following question(s) : -Identify the structure labeled "2."

Correct AnswerverifiedShow Answer

Of the total organic components in bone most of it is

Correct AnswerverifiedShow Answer

A________ is a smooth, grooved bone process shaped like a pulley.

Correct AnswerverifiedShow Answer

Where in the body does the production of precursors for the synthesis of calcitriol occur?

Correct AnswerverifiedShow Answer

The adult skeleton contains ________ major bones.

Correct AnswerverifiedShow Answer

Bones that are boxy with approximately equal dimensions are

Correct AnswerverifiedShow Answer

Which of the following is true of osteoclasts?

Correct AnswerverifiedShow Answer

The interconnecting tiny arches of bone tissue found in spongy bone are called

Correct AnswerverifiedShow Answer

A calcified skeletal muscle is an example of

Correct AnswerverifiedShow Answer

Would you expect to see changes in blood levels of the hormones calcitonin and PTH as a result of vitaminD3deficiency? Explain.

Correct AnswerverifiedA person deficient in vitamin D? would n...View AnswerShow Answer

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A person deficient in vitamin D? would n...
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