Basic Biomechanics 8Th Edition By Susan – Test Bank

 

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Sample Test

Basic Biomechanics, 8e (Hall)

Chapter 3   Kinetic Concepts for Analyzing Human Motion

 

1) Which of the following defines center of gravity?

1.   A) intersection of the 3 cardinal planes

2.   B) the point around which a body’s weight is equally balanced regardless of body position

3.   C) both intersection of the 3 cardinal planes and the point around which a body’s weight is equally balanced regardless of body position

4.   D) neither intersection of the 3 cardinal planes nor the point around which a body’s weight is equally balanced regardless of body position

 

Answer:  C

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2) Which of the following relationships is correct?

2.   A) 1 kg = 2.2 lb

3.   B) 1 lb = 4.45 N

4.   C) both 1 kg = 2.2 lb and 1 lb = 4.45 N are correct

5.   D) neither 1 kg = 2.2 lb nor 1 lb = 4.45 N is correct

 

Answer:  C

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3) Which of the following relationships is correct?

1.   A) m = F/a

2.   B) F = m/a

3.   C) a = m/F

4.   D) None of these answers are correct.

 

Answer:  A

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4) Which of the following statements is true?

1.   A) weight is always a force

2.   B) force is always a weight

3.   C) pressure is synonymous with force

4.   D) pressure is synonymous with weight

 

Answer:  A

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5) Which of the following is a correct unit of pressure?

1.   A) Newton’s

2.   B) kg/cm2

3.   C) N/cm2

4.   D) slugs

 

Answer:  C

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6) Which of the following characteristics of a vector represents magnitude?

1.   A) its angle of orientation

2.   B) its length

3.   C) its direction

4.   D) All of these answers are correct.

 

Answer:  B

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7) Which of the following types of force act parallel to a surface?

1.   A) shear

2.   B) compression

3.   C) tension

4.   D) All of these answers are correct.

 

Answer:  A

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8) Which of the following types of force exerts a squeezing effect on the body?

1.   A) shear

2.   B) compression

3.   C) tension

4.   D) All of these answers are correct.

 

Answer:  B

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9) Which of the following quantities is calculated the same as pressure?

1.   A) stress

2.   B) strain

3.   C) shear

4.   D) tension

 

Answer:  A

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10) Which of the following is a correct unit of torque?

1.   A) N-m

2.   B) N/s

3.   C) Ns

4.   D) kg m

 

Answer:  A

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11) Which of the following is/are true regarding a shot put and a softball of equal diameter?

1.   A) they have the same volume

2.   B) they have the same density

3.   C) both they have the same volume and they have the same density

4.   D) None of these answers are correct.

 

Answer:  A

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12) The “rotary effect created by an eccentric force” defines what?

1.   A) torque

2.   B) moment of force

3.   C) rotary force

4.   D) All of these answers are correct.

 

Answer:  D

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13) Which of the following is/are scalar quantities?

1.   A) force

2.   B) mass

3.   C) velocity

4.   D) All of these answers are correct.

 

Answer:  B

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14) The “quantity of matter composing a body” defines what?

1.   A) weight

2.   B) momentum

3.   C) mass

4.   D) inertia

 

Answer:  C

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15) Inertia is directly proportional to which quantity(ies)?

1.   A) mass

2.   B) force

3.   C) acceleration

4.   D) All of these answers are correct.

 

Answer:  A

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16) A free body diagram includes which of the following?

1.   A) sketch of an object, body, or body part being analyzed

2.   B) vectors representations of all forces acting on the system

3.   C) both sketch of an object, body, or body part being analyzed and vectors representations of all forces acting on the system

4.   D) None of these answers are correct.

 

Answer:  C

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17) In a free body diagram of the human body, where would the vector representing weight of the body originate?

1.   A) contact between the feet and the ground

2.   B) center of gravity

3.   C) head

4.   D) need more information

 

Answer:  B

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18) Which of the following is true regarding volume?

1.   A) units are cm3

2.   B) units are liters

3.   C) directly proportional to mass

4.   D) both units are cm3and units are liters

5.   E) All of these answers are correct.

 

Answer:  D

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19) The formula for torque includes force and what other variable?

1.   A) perpendicular distance from the axis of rotation

2.   B) moment arm

3.   C) force arm

4.   D) all of these answers are correct

 

Answer:  D

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20) A bending force can result in which of the following types of stress?

1.   A) compression

2.   B) tension

3.   C) torsion

4.   D) both compression and tension

5.   E) All of these answers are correct.

 

Answer:  D

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21) When injury results from a single large force application, such as a tackle, the injury is usually termed what?

1.   A) acute

2.   B) chronic

3.   C) repetitive

4.   D) All of these answers are correct.

 

Answer:  A

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22) Which of the following is the angular equivalent of linear force?

1.   A) pressure

2.   B) stress

3.   C) torque

4.   D) tension

 

Answer:  C

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23) Choose the term that describes the tendency of a body to resist a change in its state of motion.

1.   A) impulse

2.   B) inertia

3.   C) mass

4.   D) net force

 

Answer:  B

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24) Choose the term that describes the quantity of matter contained in an object.

1.   A) impulse

2.   B) inertia

3.   C) mass

4.   D) net force

 

Answer:  C

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25) Choose the term that describes the force per unit of area over which a force acts.

1.   A) pressure

2.   B) repetitive loading

3.   C) scalar

4.   D) shear

 

Answer:  A

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26) Choose the term that describes the mass per unit of volume.

1.   A) deformation

2.   B) density

3.   C) failure

4.   D) force

 

Answer:  B

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27) Choose the term that describes the rotary effect of a force.

1.   A) shear

2.   B) tension

3.   C) torsion

4.   D) torque

 

Answer:  D

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28) Choose the term that describes the product of force and the time over which the force acts.

1.   A) impulse

2.   B) inertia

3.   C) mass

4.   D) net force

 

Answer:  A

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29) Choose the term that describes the pressing or squeezing force directed axially through a body.

1.   A) combined loading

2.   B) compression

3.   C) deformation

4.   D) density

 

Answer:  B

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30) Choose the term that describes the load-producing twisting of a body around its long axis.

1.   A) shear

2.   B) tension

3.   C) torsion

4.   D) torque

 

Answer:  C

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31) Choose the term that describes the application of a single force of sufficient magnitude to cause injury.

1.   A) acute loading

2.   B) bending

3.   C) repetitive loading

4.   D) combined loading

 

Answer:  A

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32) Choose the term that describes the process of determining a single vector from two or more vectors by vector addition.

1.   A) tension

2.   B) torsion

3.   C) torque

4.   D) vector composition

 

Answer:  D

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33) One ________ is the amount of force required to accelerate 1 kg of mass at 1 m/s2.

 

Answer:  Newton

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34) EMG is the abbreviation for ________.

 

Answer:  electromyography

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35) The amount of inertia possessed by a body is directly proportional to the ________ of the body.

 

Answer:  mass

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36) The opposite of tensile force (tension) is ________ force.

 

Answer:  compressive

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37) Describe the differences between weight and mass using examples and including units of measurement.

 

Answer:  Answer may vary.

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38) Draw a free-body diagram for a tennis player executing a forehand stroke under very windy conditions. Include all forces acting on the player.

 

Answer:  Answer may vary.

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39) Compare the compressive stress affecting the cervical vertebrae and the lumbar vertebrae.

 

Answer:  Answer may vary.

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40) Explain the difference between acute and repetitive loading, including examples and injury implications.

 

Answer:  Answer may vary.

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41) Describe two different tools used to collect and analyze kinetic data and provide the strengths and weaknesses of each tool. Include both high tech and low tech examples.

 

Answer:  Answer may vary.

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42) The amount of three-dimensional space occupied by a body defines volume.

 

Answer:  TRUE

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43) The metric units for mass and weight are the same.

 

Answer:  FALSE

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Basic Biomechanics, 8e (Hall)

Chapter 5   The Biomechanics of Human Skeletal Articulations

 

1) Which of the following is not associated with synarthrodial joints?

1.   A) typically weak

2.   B) fibrous

3.   C) immovable

4.   D) sutures of the skull

 

Answer:  A

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2) The knee is an example of which type joint?

1.   A) fibrous

2.   B) synarthroses

3.   C) synovial

4.   D) amphiarthroses

 

Answer:  C

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3) Which of the following are functions of articular cartilage?

1.   A) minimize friction and wear at a joint

2.   B) protect against joint dislocation

3.   C) both minimize friction and wear at a joint and protect against joint dislocation

4.   D) neither minimize friction and wear at a joint nor protect against joint dislocation

 

Answer:  C

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4) Which of the following are examples of articular fibrocartilage?

1.   A) the intervertebral discs

2.   B) the menisci of the knee

3.   C) both the intervertebral discs and the menisci of the knee

4.   D) none of these answers is correct

 

Answer:  C

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5) Which of the following characterizes the “close-packed position” at a joint?

1.   A) joint stability is minimum

2.   B) muscular tension is maximum

3.   C) both joint stability is minimum and muscular tension is maximum

4.   D) neither joint stability is minimum nor muscular tension is maximum

 

Answer:  D

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6) Which of the following is/are true regarding amphiarthrodial joints?

1.   A) Hyaline cartilage holds the bones together.

2.   B) They are slightly moveable.

3.   C) Both hyaline cartilage holds the bones together and they are slightly moveable.

4.   D) Neither hyaline cartilage holds the bones together nor they are slightly moveable.

 

Answer:  C

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7) Which of the following refers to the stretching of muscles, tendons, and ligaments by a force other than tension in the antagonist muscles?

1.   A) active stretching

2.   B) passive stretching

3.   C) ballistic stretching

4.   D) none of these answers is correct

 

Answer:  B

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8) Which type of flexibility accompanies the ROM achieved by actively contracting the antagonist muscle?

1.   A) static flexibility

2.   B) dynamic flexibility

3.   C) passive stretching

4.   D) none of these answers is correct

 

Answer:  B

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9) Where are Golgi tendon organs located?

1.   A) in tendons

2.   B) in the junctions between muscles and their tendons

3.   C) interspersed throughout the fibers of muscles

4.   D) both in tendons and in the junctions between muscles and their tendons

5.   E) all of these answers are correct

 

Answer:  D

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10) The stretch reflex, or myotatic reflex, is provoked by activation of which of the following in a stretched muscle?

1.   A) muscle spindles

2.   B) golgi tendon organs

3.   C) both muscle spindles and golgi tendon organs

4.   D) neither muscle spindles nor golgi tendon organs

 

Answer:  A

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11) The technique of muscle stretching known as proprioceptive neuromuscular facilitation (PNF) is based on responses elicited from which of the following?

1.   A) golgi tendon organs

2.   B) muscle spindles

3.   C) both golgi tendon organs and muscle spindles

4.   D) neither golgi tendon organs nor muscle spindles

 

Answer:  A

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12) Proprioceptive neuromuscular facilitation is an example of what type of stretching?

1.   A) active stretching

2.   B) passive stretching

3.   C) ballistic stretching

4.   D) none of these answers is correct

 

Answer:  B

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