Question 1

Bones are classified as irregular, flat, short, or long.

Accepted Answer

A) True 
 B)False

Question 2

Peter receives a blow to the front of the knee on the soccer field and collapses. The bruised bone is the ___________.

Accepted Answer

The answer of Peter receives a blow to the front...

Question 3

Which of the following are components of the pelvic girdle?

Accepted Answer

A)   hip bones.
B)   coxal bones.
C)   sacrum.
D)   all of the above.E) A) and C)
F) A) and B) A

Question 4

Which is true of sex hormones?

Accepted Answer

A)   They inhibit osteoblast activity.
B)   They have no effect on bone.
C)   They stimulate ossification of the epiphyseal plates.
D)   Their action on bone growth is stronger in males than in females.E) A) and B)
F) A) and C) C

Question 5

Which three bones fuse to form the hip bone?

Accepted Answer

A)   the ilium, the femur, and the pubis.
B)   the ilium, the sacrum, and the pubis.
C)   the ischium, the coccyx, and the pubis.
D)   the ilium, the ischium, and the pubis.E) B) and D)
F) A) and C)

Question 6

The number of bones in the skeletal system is

Accepted Answer

A)   the same for everyone.
B)   more for males than females.
C)   more for females than males.
D)   variable.E) None of the above
F) B) and C)

Question 7

The first cervical vertebra is the axis and the second is the atlas.

Accepted Answer

A) True 
 B)False  False

Question 8

Osteoporosis is more severe than osteopenia.

Accepted Answer

A) True 
 B)False

Question 9

A bone lengthens

Accepted Answer

A)   as a result of cell division in the medullary cavity.
B)   due to increased production of bone matrix by osteoclasts.
C)   as a result of increased activity within the epiphyseal plate.
D)   as compact bone is deposited beneath the periosteum of the diaphysis.E) B) and C)
F) A) and B)

Question 10

Which of the following is not a step in endochondral bone formation?

Accepted Answer

A)   Hyaline cartilage develops into the shape of the future bone.
B)   Periosteum forms from connective tissue outside the developing bone.
C)   Hyaline cartilage changes to adipose tissue.
D)   Osteoblasts deposit osseous tissue in place of disintegrating cartilage.E) B) and D)
F) None of the above

Question 11

Osteoclasts are bone-resorbing cells, whereas osteoblasts are bone-forming cells.

Accepted Answer

A) True 
 B)False

Question 12

The thyroid hormone thyroxine ______.

Accepted Answer

A)   increases cartilage production in the epiphyseal plate
B)   stimulates osteoclasts
C)   stimulates replacement of cartilage with bone in the epiphyseal plate
D)   removes calcium from boneE) A) and D)
F) None of the above

Question 13

Testosterone has a stronger effect on epiphyseal plates than estrogens.

Accepted Answer

A) True 
 B)False

Question 14

The zygomatic bone is an example of a(n)

Accepted Answer

A)   long bone.
B)   flat bone.
C)   short bone.
D)   irregular bone.E) B) and D)
F) All of the above

Question 15

Blood cell formation is called osteogenesis.

Accepted Answer

A) True 
 B)False

Question 16

Intervertebral discs are formed of skeletal muscle.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following describes a female's pelvis compared to a male's pelvis?

Accepted Answer

A)   A cavity that is wider in all dimensions, with lighter bones.
B)   A cavity that is narrower in all dimensions, with lighter bones.
C)   A cavity that is wider in all dimensions, with heavier bones.
D)   A cavity that is narrower in all dimensions, with heavier bones.E) None of the above
F) C) and D)

Question 18

Exercise ______ and _______ bones.

Accepted Answer

A)   thickens; elongates
B)   elongates; weakens
C)   thickens; strengthens
D)   thins; atrophiesE) B) and C)
F) B) and D)

Question 19

The sternum develops in three parts: the lower manubrium, middle body, and upper xiphoid.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following groups of bones, based on shape, is associated with an incorrect example?

Accepted Answer

A)   Long bones - forearm bones
B)   Short bones - wrist and ankle bones
C)   Flat bones - thigh bones
D)   Irregular bones - vertebraeE) C) and D)
F) A) and C)

Exam 7: Skeletal System

Bones are classified as irregular, flat, short, or long.

Correct AnswerverifiedShow Answer

Peter receives a blow to the front of the knee on the soccer field and collapses. The bruised bone is the ___________.

Correct AnswerverifiedShow Answer

Which of the following are components of the pelvic girdle?

Correct AnswerverifiedA

Which is true of sex hormones?

Correct AnswerverifiedC

Which three bones fuse to form the hip bone?

Correct AnswerverifiedShow Answer

The number of bones in the skeletal system is

Correct AnswerverifiedShow Answer

The first cervical vertebra is the axis and the second is the atlas.

Correct AnswerverifiedFalse

Osteoporosis is more severe than osteopenia.

Correct AnswerverifiedShow Answer

A bone lengthens

Correct AnswerverifiedShow Answer

Which of the following is not a step in endochondral bone formation?

Correct AnswerverifiedShow Answer

Osteoclasts are bone-resorbing cells, whereas osteoblasts are bone-forming cells.

Correct AnswerverifiedShow Answer

The thyroid hormone thyroxine ______.

Correct AnswerverifiedShow Answer

Testosterone has a stronger effect on epiphyseal plates than estrogens.

Correct AnswerverifiedShow Answer

The zygomatic bone is an example of a(n)

Correct AnswerverifiedShow Answer

Blood cell formation is called osteogenesis.

Correct AnswerverifiedShow Answer

Intervertebral discs are formed of skeletal muscle.

Correct AnswerverifiedShow Answer

Which of the following describes a female's pelvis compared to a male's pelvis?

Correct AnswerverifiedShow Answer

Exercise ______ and _______ bones.

Correct AnswerverifiedShow Answer

The sternum develops in three parts: the lower manubrium, middle body, and upper xiphoid.

Correct AnswerverifiedShow Answer

Which of the following groups of bones, based on shape, is associated with an incorrect example?

Correct AnswerverifiedShow Answer

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C

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False

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Exercise and _ bones.

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