Answers & NCLEX-Style Rationales 2026–2027
1. Mobility: - intact musculoskeletal and nervous system are necessary for optimal physical mobility and function-ing
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- body mechanics, body alignment, balance
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2. body alignment: refers to relationship between one body part toanotherbody part along ahorizontal or vertical
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line
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3. age related changes to mobility: -changesinmusclesandjoints
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- decreased strength and flexibility k k k
-decreased ROM k
- gait changes
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- decrease in step height k k k
4. risk factors for alterations in mobility: -posturalabnormalities
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-damagetoCNS k k
- impairedmuscledevelopment k k
-musculoskeletal trauma k
5. Postural abnormalities: may be congenital or acquired and attect the eflciency of the musculoskeletal system
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and body alignment, balance, and appearance
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- somedeformitiesmayattectorlimitROM
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6. damage to CNS: willattectbodyalignment,balance,andmobilityk k k k k k k k k
- damagecanresultfromheadtrauma,stroke,meningitis, orinjurytothe cerebralcortex
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7. musculoskeletal trauma: -lead to many alterations in function k k k k k k k
-any disease that attects muscles or musculoskeletal function will impair muscle development
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8. physiological hazards of immobility: metabolic, respiratory, cardiovascular, musculoskeletal, k k k k k k k
integumentary, and elimination
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9. metabolic hazards of immobility: -decreased metabolic rate k k k k k k
- alteredmetabolismofcarbs,fats,andproteins
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-fluid, electrolyte (imbalances)
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-gastrointestinal disturbances k
- glucose intolerance and negative nitrogen balance
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10. respiratory hazards of immobility: -pulmonary complications k k k k k
- pneumonia, atelectasis, and pulmonary embolism k k k k
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, 11. cardiovascular hazards of immobility: -orthostatichypotension
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- increased cardiac workload
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