NU 327 EXAM 1 LATEST 2025/2026 EXAM CONTENT 100% VERIFIED UNIVERSITY OF SOUTH ALABAMA

NU 327 EXAM 1 LATEST 2025/2026 EXAM CONTENT 100% VERIFIED UNIVERSITY OF
SOUTH ALABAMA

NU 327 Musculoskeletal Questions and Correct
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Quiz: What are the 5 functions of the skeletal system?

Ans: support, storage, produce blood cells, protect organs, provide leverage and
movement



Quiz: What is the osteon (haversian system)?

Ans: - BASIC UNIT OF BONE

- canals allow nutrients to reach osteocytes



Quiz: What is osteoblasts?

Ans: - BONE FORMING CELLS

- responsible for bone growth and repair, estrogen helps regulate, osteocytes are
mature osteoblasts



Quiz: What is osteoclasts?

Ans: - BONE RESORPTION

- tearing down old or excess bone



Quiz: What is the tissue level anatomy of bones?

Ans: cancellous bone (trabecular) - spongy; compact bone (cortical) - solid; periosteum -
covers entire bone except for the ends

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,Quiz: What is Wolff's law?

Ans: bone is laid down where it is needed and resorbed where it is not needed



Quiz: What is important about Wolff's law?

Ans: - immobilized bone are not subject to stress

- osteoclast activity increases

- increased risk for fractures

- increased risk for falls



Quiz: What are geriatric considerations?

Ans: - increased bone resorption and decreased bone formation (osteoporosis)

- increased bone circumference (pelvis widening)

- dehydration of intravertebral disks (kyphosis and decreased height)

- erosion and thinning of cartilage (synovial membrane fibrosis)



Quiz: What is cartilage?

Ans: - dense connective tissue

- supports, shaped, and cushions body structures



Quiz: What is a tendon?

Ans: attaches MUSCLE TO BONES and allows movement




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, NU 327 EXAM 1 LATEST 2025/2026 EXAM CONTENT 100% VERIFIED UNIVERSITY OF
SOUTH ALABAMA

Quiz: What is a ligament?

Ans: connects BONES TO BONES and provides stability to joints



Quiz: What is a bursea?

Ans: - small sac of synovial fluid around joints & between tendons, ligaments, bone

- located in areas of high friction (acts as a cushion)



Quiz: What is the most important trauma assessment?

Ans: ABCDE - airway, breathing, circulation, disability, exposure



Quiz: What is the etiology/patho. of a torn meniscus?

Ans: torn by rotational movements because the meniscus allows the knee to rotate



Quiz: What are the S&S of torn meniscus?

Ans: ACUTE PAIN, SWELLING, "JOINT LOCKING", tenderness



Quiz: What are the treatments for a torn meniscus?

Ans: anti-inflammatory, joint stabilization, PT, surgery



Quiz: What is the etiology of a protruded disk?

Ans: age, lifting/twisting, trauma, structures between vertebrae (annulus fibrosis and
nucleus pulposus)



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, Quiz: What are the S&S of a protruded disk?

Ans: pain, numbness, tingling, motor weakness, diminished reflexes



Quiz: What is the treatment for a protruded disk?

Ans: treat pain, bed rest, and maybe surgery



Quiz: What is subluxation?

Ans: displacement from normal position; not as severe as dislocation



Quiz: What is dislocation?

Ans: articulating surface loses contact (common joints are finger, patella, shoulder)



Quiz: What are the S&S of subluxation/dislocation?

Ans: pain, "joint pop out of socket", change in extremity length, loss of normal mobility



Quiz: What are the treatments for dislocation/subluxation?

Ans: reduction (put it back in place), immobilization (1-3 wks), pain control, ROM



Quiz: What is the etiology/patho. of ligament injuries?

Ans: - ROM is exceeded (knee stabilizer)

- damage to surrounding tissue

- classified by extent of tear

- common site is knee (ACL) - athletes


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