MUSCULOSKELETAL (MSK) PRACTICE EXAM
2025|REAL 220 QS& AS WITH
RATIONALES|100% VERIFIED|A+GRADE
Q1. Which type of joint allows for the greatest range of motion?
a) Syndesmosis (fibrous)
b) Symphysis (cartilaginous)
c) Synovial joint (e.g., shoulder, knee)
d) Sutures of the skull
Correct Answer: c) Synovial joint
Rationale: Synovial joints (diarthroses) are freely movable due to
synovial fluid and articular cartilage. Fibrous and cartilaginous
joints have limited or no movement.
Q2. The rotator cuff consists of four muscles. Which of the
following is NOT a rotator cuff muscle?
a) Supraspinatus
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b) Infraspinatus
c) Teres major
d) Subscapularis
Correct Answer: c) Teres major
Rationale: Rotator cuff: supraspinatus, infraspinatus, teres minor,
subscapularis (SITS). Teres major is an adductor and internal
rotator but not part of the rotator cuff.
Q3. The primary weight-bearing bone of the lower leg is the:
a) Fibula
b) Tibia
c) Patella
d) Talus
Correct Answer: b) Tibia
Rationale: The tibia (shinbone) bears approximately 85% of body
weight. The fibula provides muscle attachment and ankle stability.
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Q4. The ligament that prevents anterior translation of the tibia
on the femur is the:
a) Posterior cruciate ligament (PCL)
b) Anterior cruciate ligament (ACL)
c) Medial collateral ligament (MCL)
d) Lateral collateral ligament (LCL)
Correct Answer: b) Anterior cruciate ligament (ACL)
Rationale: ACL prevents anterior tibial displacement relative to the
femur. PCL prevents posterior displacement.
Q5. The hip joint is a ball-and-socket joint formed by the:
a) Acetabulum and femoral head
b) Acromion and humeral head
c) Glenoid fossa and humeral head
d) Patella and femoral condyles
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Correct Answer: a) Acetabulum and femoral head
Rationale: The acetabulum of the pelvis articulates with the femoral
head. Glenohumeral joint is the shoulder.
Q6. Which type of bone cell is responsible for bone resorption?
a) Osteoblast
b) Osteocyte
c) Osteoclast
d) Chondrocyte
Correct Answer: c) Osteoclast
Rationale: Osteoclasts break down bone (resorption). Osteoblasts
build bone. Osteocytes maintain bone matrix. Chondrocytes are
cartilage cells.
Q7. The muscle primarily responsible for elbow flexion is the:
a) Triceps brachii
b) Biceps brachii