Biology Forums - Study Force

A movement that increases or decreases the angle between two bones is a(n) __________ motion.
 
  A.  angular
  B.  rotational
  C.  eversion
  D.  sliding

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(Question 2) In general, the movements demonstrated at plane joints between the carpals are
 
  A. rotations.
  B. gliding movements.
  C. flexions and extensions.
  D. circumductions.
  E. pivots.

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(Question 3) The part of a lever from the fulcrum to the point of effort is called the effort arm.
 
  Indicate whether this statement is true or false.

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(Question 4) A _________ is an elongated, rigid object that can be used to alter the distance of movement produced by a force.
 
  Fill in the blank with correct word.

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(Question 5) If a heavy load is at one end of a lever, the distance between the fulcrum and that load is called the
 
  A. effort arm.
  B. resistance arm.
  C. lever length.

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(Question 6) When considering leverage, the part of the bone from the muscle attachment to the joint would be the
 
  A. fulcrum.
  B. effort arm.
  C. resistance arm.

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(Question 7) When considering joints in the human body, the most common lever type is the
 
  A. first-class lever.
  B. second-class lever.
  C. third-class lever.

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(Question 8) The fixed point around which a lever rotates is the
 
  A.  fulcrum.
 
  B.  condyle.
 
  C.  resistance node.
 
  D.  effort arm.
 
  E.  multiaxis.

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(Question 9) The ________ joint is the simplest synovial joint and also the least mobile synovial joint.
 
  A.  pivot
  B.  plane
  C.  hinge
  D.  saddle
  E.  suture

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(Question 10) One of the functions of synovial fluid is to act as a shock absorber that distributes force evenly across the joint surface.
 
  Indicate whether this statement is true or false.

1) A

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2) B

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3) TRUE

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4) lever

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5) B

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6) B

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7) C

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8) A

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9) B

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10) TRUE

Helps a lot