Orthopaedic Nurse Test Orthopaedic Nurse Test Musculoskeletal Anatomy & Physiology

Question 1

Which type of cartilage covers the articulating surfaces of bones in synovial joints?

Accepted Answer

Hyaline cartilage

Answer

Hyaline cartilage covers articular surfaces in synovial joints, providing a smooth, low-friction surface for movement.

Question 2

The rotator cuff of the shoulder is composed of which four muscles?

Accepted Answer

Supraspinatus, infraspinatus, teres minor, subscapularis

Answer

The rotator cuff consists of the supraspinatus, infraspinatus, teres minor, and subscapularis muscles, which stabilize the glenohumeral joint.

Question 3

Which bone is the largest and strongest bone in the human body?

Accepted Answer

Femur

Answer

The femur (thigh bone) is the longest and strongest bone in the human body, bearing full body weight during ambulation.

Question 4

The Lachman test is used to assess the integrity of which structure?

Accepted Answer

Anterior cruciate ligament

Answer

The Lachman test evaluates anterior cruciate ligament (ACL) integrity by assessing anterior tibial translation with the knee at 20–30° of flexion.

Question 5

Which term describes the bone-forming cells responsible for synthesizing bone matrix?

Accepted Answer

Osteoblasts

Answer

Osteoblasts are bone-forming cells that synthesize and secrete the organic components of bone matrix, including type I collagen.

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