超星 - Chapter Four Passage One 章节测试

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What are the functions of the skeletal system?

A. protection
B. support
C. mineral storage
D. blood cell production

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when it comes to the protection of skeletal system, which are the following statements CORRECT?

A. cranial bones protect the brain
B. vertebrae protects the spinal cord
C. sternum protects the heart and lungs
D. pelvis protects the internal reproductive organs

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_ and _ are principal minerals that are stored in bones.

A. manganese
B. calcium
C. phosphorus
D. magnesium

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On the basis of shape, almost all the bones may be classified into four main types: ___, _, _, and ___.

A. long
B. short
C. irregular
D. flat

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Examples of flat bones include _____.

A. sternum
B. ribs
C. cranial bones
D. scapulae

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Irregular bones are bones of _____.

A. vertebrae
B. face
C. thorax
D. pelvis

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______ are the additional types of bones that are not included in classification by shapes.

A. sutural bones
B. wormian bones
C. sesamoid bones
D. collar bones

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The following statements , _____, illustrate the functions of calcium.

A. nerve cells need calcium for nerve impulse conduction
B. muscle needs calcium to contract
C. blood needs calcium to clot
D. bone needs calcium to make itself hard

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If the hemostasis maintained between the action of osteoblasts and osteoclasts is broken, what might happen?

A. The surplus of calcium in the bone may form spurs.
B. A loss of too much calcium weakens the bones.
C. A loss of too much calcium might cause the bone to break easily
D. if bone loses two much tissue, it may become very flexible.

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What are the influential factors that affect normal bone growth?

A. hormones
B. minerals
C. vitamins
D. enzymes

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What are the functions of the skeletal system?

when it comes to the protection of skeletal system, which are the following statements CORRECT?

_____ and _____ are principal minerals that are stored in bones.

On the basis of shape, almost all the bones may be classified into four main types: _____, _____, _____, and _____.

Examples of flat bones include _____.

Irregular bones are bones of _____.

______ are the additional types of bones that are not included in classification by shapes.

The following statements , _____, illustrate the functions of calcium.

If the hemostasis maintained between the action of osteoblasts and osteoclasts is broken, what might happen?

What are the influential factors that affect normal bone growth?

_ and _ are principal minerals that are stored in bones.

On the basis of shape, almost all the bones may be classified into four main types: ___, _, _, and ___.