Skeletal System and Bone Structure Quiz

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32 Questions

What is the main function of bone in the skeletal system?

Protection and support

Which of the following is a predominant mineral found in bone?

Calcium

What term is used for bone's ability to resist deformation under a load?

Stiffness

In the context of bone biomechanics, what does anisotropy refer to?

Variation in strength depending on direction of load

During which loading mode is bone subjected to forces causing elongation?

Tension

What term is used to describe bone's capacity to absorb energy before failing?

Toughness

What is the primary factor influencing bone geometry and biomechanical behavior?

Mechanical demand

What is the effect of repetitive loading on bone?

Fatigue

Which factor contributes to degenerative changes in bone with aging?

Altered hormonal balance

What type of loading combines tension, compression, and shear?

Combined Loading

Which bone feature enhances its strength and stiffness?

Trabeculae

What is the primary response of bone to increased mechanical demands?

Increased density

Bone's behavior under different loading modes includes all EXCEPT:

Elasticity

Viscoelasticity in bone refers to its:

Time-dependent deformation under load

In the context of bone biomechanics, stress raisers are:

Points where stress is concentrated

Which aspect primarily influences the biomechanical properties of bone?

Bone's structural organization

Which of the following statements about torque is true?

Torque is a vector quantity.

What term is used to describe the rate of change in angular velocity?

Angular acceleration

Which type of lever has the resistance between the applied force and the fulcrum?

First-class lever

What does stability refer to in the context of biomechanics?

Resistance to the disruption of equilibrium

Which method is used to determine the total-body center of mass location?

Segmental method

What term is used for the change in linear speed for a body traveling on a curved path?

Tangential acceleration

Which of these statements about equilibrium is true?

Equilibrium is a state characterized by balanced forces and torques.

What is the definition of moment arm?

The distance between a force's line of action and the axis of rotation.

In biomechanics, what does increasing the size of the base of support in the direction of an external force do?

Increases stability.

What is the primary characteristic of third-class levers in human movement?

They are common for concentric contractions.

Which statement about the center of gravity (CG) of an object is true?

The center of gravity (CG) of an object can be located physically outside of the object.

What is torque in biomechanics?

'The presence of equal torques on opposite sides of an axis of rotation necessitates the presence of equal weights on opposite sides of the axis.'

Which statement about balance is true?

'Balance is resistance to the disruption of equilibrium.'

'Quantitative analysis involves stick-man animation.' Is this statement true or false?

'Quantitative analysis involves stick-man animation.'

'Stick-man animation can be used to plot force and torque at each phase of movement.' Is this statement true or false?

'Stick-man animation can be used to plot force and torque at each phase of movement.'

'The segmental method is used to determine the total-body center of mass location.' Is this statement true or false?

'The segmental method is used to determine the total-body center of mass location.'

Test your knowledge about the functions, components, and minerals of the skeletal system and bone structure with this quiz. Questions cover topics such as bone function, organic matrix components, and bone minerals.

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