NURS 2750 Exam 3 Questions and Correct
Detailed Answers (Verified Answers)
Question: Functions of the musculoskeletal system
Ans: •Protection of vital organs
•Mobility and movement
•Facilitate return of blood to the heart
•Production of blood cells (hematopoiesis)
•Reservoir for immature blood cells
•Reservoir for vital minerals
Question: Coordinated efforts of the musculoskeletal and nervous
systems
Ans: body mechanics
Question: force that occurs in a direction to oppose movement
Ans: friction
Question: regulating factors of bone formation and maintenance
Master01 | 2025/2026 | Latest update
, 2
Ans: -Stress and weight bearing
-Vitamin D
-Parathyroid hormone and calcitonin
-Blood supply
Question: normal calcium level
Ans: 9-10.5 mg/dL
Question: developmental changes in infants, toddlers, and
preschoolers
Ans: •Prolonged immobility delays gross motor skills, intellectual development,
or musculoskeletal development
very bow-legged and top heavy - unsteady gait so increased risk for injury
Question: developmental changes in adolescents
Master01 | 2025/2026 | Latest update
, 3
Ans: •Delayed in gaining independence and in accomplishing skills
•Social isolation can occur if there is trauma, illness, surgery, etc
"risk-takers"
Question: developmental changes in adults
Ans: •Physiological systems are at risk
•Changes in family and social structures
^^ with prolonged immobility because they tend to have sedentary lifestyles
Question: developmental changes in older adults
Master01 | 2025/2026 | Latest update
, 4
Ans: •Decreased physical activity
•Hormonal changes
Bone reabsorption
more comorbidities; bones more brittle and weak
spinal changes (kyphosis), side to side gait ... encourage them to look up
Question: ability to move about freely
Ans: mobility
Question: inability to move about freely
Ans: immobility
Question: an intervention that restricts patients for therapeutic
reasons
Ans: bed rest
Question: metabolic effects due to impaired mobility
Master01 | 2025/2026 | Latest update