NURS 5433 MODULE 6 MSK QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS) PLUS
RATIONALES Q &A 2026 |INSTANT DOWNLOAD
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1. Which of the following are functions of the musculoskeletal
system?
A. Support and structure
B. Blood cell production
C. Hormone regulation
D. Protection of internal organs
Rationale: The musculoskeletal system provides structural
support, protects organs, allows movement, and participates in
hematopoiesis in bone marrow.
Correct answers: A, B, D
2. Which type of joint allows for the greatest range of motion?
A. Hinge
B. Ball-and-socket
C. Pivot
D. Saddle
,Rationale: Ball-and-socket joints, such as the shoulder and hip,
allow movement in multiple planes including rotation.
Correct answer: B
3. Which muscles are classified as voluntary muscles?
A. Cardiac
B. Skeletal
C. Smooth
D. Diaphragm
Rationale: Skeletal muscles are voluntary and controlled
consciously, whereas cardiac and smooth muscles are
involuntary.
Correct answer: B
4. What is the primary mineral stored in bones?
A. Sodium
B. Calcium
C. Potassium
D. Magnesium
Rationale: Calcium is the main mineral stored in bones and is
essential for bone strength and muscle contraction.
Correct answer: B
5. Which of the following are signs of a fracture?
,A. Pain
B. Swelling
C. Deformity
D. Bruising
E. Nausea
Rationale: Pain, swelling, deformity, and bruising are common
signs of fractures. Nausea is not directly related.
Correct answers: A, B, C, D
6. What nursing interventions are appropriate for a patient in
a cast?
A. Elevate the limb to reduce swelling
B. Insert objects into the cast to scratch
C. Check circulation and sensation regularly
D. Keep cast dry
Rationale: Elevation, neurovascular checks, and keeping the
cast dry prevent complications. Inserting objects can cause
injury and infection.
Correct answers: A, C, D
7. Which conditions are considered degenerative joint
diseases?
A. Osteoarthritis
B. Rheumatoid arthritis
, C. Gout
D. Osteoporosis
Rationale: Osteoarthritis is a degenerative joint disease caused
by cartilage breakdown. Rheumatoid arthritis is autoimmune.
Gout is metabolic. Osteoporosis affects bone density, not the
joint directly.
Correct answer: A
8. Which lab tests are commonly used to evaluate bone
metabolism?
A. Serum calcium
B. Serum phosphate
C. Alkaline phosphatase
D. White blood cell count
Rationale: Calcium, phosphate, and alkaline phosphatase
reflect bone metabolism; WBC count evaluates infection.
Correct answers: A, B, C
9. Which of the following are risk factors for osteoporosis?
A. Female gender
B. Sedentary lifestyle
C. High calcium intake
D. Smoking
CORRECT ANSWERS (VERIFIED ANSWERS) PLUS
RATIONALES Q &A 2026 |INSTANT DOWNLOAD
1. Which of the following are functions of the musculoskeletal
system?
A. Support and structure
B. Blood cell production
C. Hormone regulation
D. Protection of internal organs
Rationale: The musculoskeletal system provides structural
support, protects organs, allows movement, and participates in
hematopoiesis in bone marrow.
Correct answers: A, B, D
2. Which type of joint allows for the greatest range of motion?
A. Hinge
B. Ball-and-socket
C. Pivot
D. Saddle
,Rationale: Ball-and-socket joints, such as the shoulder and hip,
allow movement in multiple planes including rotation.
Correct answer: B
3. Which muscles are classified as voluntary muscles?
A. Cardiac
B. Skeletal
C. Smooth
D. Diaphragm
Rationale: Skeletal muscles are voluntary and controlled
consciously, whereas cardiac and smooth muscles are
involuntary.
Correct answer: B
4. What is the primary mineral stored in bones?
A. Sodium
B. Calcium
C. Potassium
D. Magnesium
Rationale: Calcium is the main mineral stored in bones and is
essential for bone strength and muscle contraction.
Correct answer: B
5. Which of the following are signs of a fracture?
,A. Pain
B. Swelling
C. Deformity
D. Bruising
E. Nausea
Rationale: Pain, swelling, deformity, and bruising are common
signs of fractures. Nausea is not directly related.
Correct answers: A, B, C, D
6. What nursing interventions are appropriate for a patient in
a cast?
A. Elevate the limb to reduce swelling
B. Insert objects into the cast to scratch
C. Check circulation and sensation regularly
D. Keep cast dry
Rationale: Elevation, neurovascular checks, and keeping the
cast dry prevent complications. Inserting objects can cause
injury and infection.
Correct answers: A, C, D
7. Which conditions are considered degenerative joint
diseases?
A. Osteoarthritis
B. Rheumatoid arthritis
, C. Gout
D. Osteoporosis
Rationale: Osteoarthritis is a degenerative joint disease caused
by cartilage breakdown. Rheumatoid arthritis is autoimmune.
Gout is metabolic. Osteoporosis affects bone density, not the
joint directly.
Correct answer: A
8. Which lab tests are commonly used to evaluate bone
metabolism?
A. Serum calcium
B. Serum phosphate
C. Alkaline phosphatase
D. White blood cell count
Rationale: Calcium, phosphate, and alkaline phosphatase
reflect bone metabolism; WBC count evaluates infection.
Correct answers: A, B, C
9. Which of the following are risk factors for osteoporosis?
A. Female gender
B. Sedentary lifestyle
C. High calcium intake
D. Smoking
