Chapter 47 Mobility and Immobility

Chapter 47 Mobility and Immobility - Chapter 47 Mobility...

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Chapter 47: Mobility and Immobility 1. What is meant by "concentric tension" of muscles? a. Increased muscle contraction results in movement. b. The speed and direction of movement are controlled. c. Tension causes no shortening or active movement. d. Tension does not result in isotonic contraction. 2. Muscles that attach to bones to provide the needed strength to move an object use which of the following to obtain their objective? a. Posture b. Leverage c. Isometric contraction d. Muscle tone 3. During voluntary movement, impulses descend from the motor strip to the spinal cord. Impulses stimulate muscles by way of 4. Although isometric contractions do not result in muscle shortening, the nurse understands that isometric contractions 5. Joints are the connections between bones. The joint that is freely movable is known as the _____ joint. 6. The term body alignment refers to positioning of the joints, tendons, ligaments, and muscles while standing, sitting, and lying. A term that is similar to body alignment is a. Weight. b. Posture. c. Friction. d. Body mechanics. 7. Without balance control, the center of gravity is displaced, thus creating risk for falls and subsequent injuries. Balance is enhanced by 8. Immobilized patients frequently have hypercalcemia, placing them at risk for 9. Patients on bed rest or otherwise immobile are at risk for
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10. In caring for a patient who is immobile, it is important for the nurse to understand that a. The effects of immobility are the same for everyone. b. Immobility helps maintain sleep-wake patterns. c. Changes in role and self-concept may lead to depression. d. Immobile patients are often eager to help in their own care. 11. Immobility is a major risk factor for pressure ulcers. In caring for the patient who is immobilized, the nurse needs to be aware that
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