Which of the following is true about the biomechanical properties of a ligament (or tendon) if the width of the ligament is doubled?
a. Greater elongation before failure
b. Less elongation before failure
c. Increased strength before failure
d. Decreased strength before failure
ANS: C
The radiocarpal joint allows for motion in two different planes. Flexion and extension occur in the
sagittal plane about a coronal axis, and radial/ulnar deviation occurs in the frontal plane about a
sagittal axis. All of the other joints listed are uniaxial joints with only one degree of freedom.
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A(n) ____ is usually caused by a tearing force that rends the limb from the body, often leaving a jagged or tattered stump behind.
A. avulsion B. fasciitis C. amputation D. keloid
Which of the following contributory factors are likely responsible for the development of respiratory failure in patients who have myasthenia gravis? I. inspiratory muscle weakness II. expiratory muscle weakness III. susceptibility to venous thromboembolic disease IV. poor clearance of pulmonary secretions
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A) NP B) RN C) CNM D) CNS