give me 40 mcq questions with options only provide key at last. topic is anatomy of musculoskeletal system. take reference from grays and moore anatomy
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I now have sufficient reference material from Gray's Anatomy for Students. Let me generate the 40 MCQs based on the musculoskeletal anatomy content I've collected.
40 MCQ Questions: Anatomy of the Musculoskeletal System
Reference: Gray's Anatomy for Students & Moore's Clinically Oriented Anatomy
1. Which of the following is the largest sesamoid bone in the body?
- A) Fabella
- B) Patella
- C) Os naviculare
- D) Pisiform
2. Compact bone forms:
- A) The inner core of all bones
- B) Only the diaphysis of long bones
- C) The outer shell of all bones surrounding spongy bone
- D) The epiphyseal plates only
3. The nutrient artery of a bone typically supplies:
- A) Only the periosteum
- B) The outer layers of compact bone
- C) The marrow, spongy bone, and inner layers of compact bone
- D) Only the endosteum
4. Which of the following is NOT a function of bone?
- A) Calcium and phosphorus reservoir
- B) Blood cell production
- C) Synthesis of thyroid hormone
- D) Support and protection of vital organs
5. Endochondral ossification involves:
- A) Direct ossification of mesenchymal models
- B) Ossification of a cartilaginous model derived from mesenchyme
- C) Ossification only in flat bones
- D) Appositional growth from the periosteum only
6. Short bones are characterized by:
- A) Tubular shape (e.g., humerus)
- B) Two compact plates separated by spongy bone
- C) Cuboidal shape (e.g., carpal and tarsal bones)
- D) Irregular shapes with no consistent form
7. The periosteum is sensitive to injury because it is supplied by:
- A) Vasomotor fibers only
- B) Numerous sensory nerve fibers
- C) Sympathetic fibers exclusively
- D) Branches of the cranial nerves
8. A "greenstick" fracture is:
- A) A fracture with complete cortical disruption
- B) A fracture across the growth plate in adults
- C) A partial cortical disruption fracture seen in children
- D) A fracture in osteoporotic bone
9. Avascular necrosis of the femoral head most commonly follows:
- A) Intertrochanteric fracture
- B) Femoral neck fracture
- C) Subtrochanteric fracture
- D) Patellar fracture
10. The epiphyseal growth plate is an example of which type of joint?
- A) Symphysis
- B) Syndesmosis
- C) Synchondrosis
- D) Suture
11. Synovial joints are characterized by:
- A) Absence of a joint cavity
- B) Connection by fibrocartilage only
- C) Presence of an articular cavity and a joint capsule
- D) Immobility between adjacent bones
12. The synovial membrane:
- A) Forms the outer fibrous layer of the capsule
- B) Is poorly vascularized
- C) Produces synovial fluid that lubricates the joint
- D) Contains dense regular collagen only
13. Articular discs within synovial joints are typically composed of:
- A) Hyaline cartilage
- B) Fibrocartilage
- C) Elastic cartilage
- D) Dense regular connective tissue
14. Which of the following is classified as a fibrous joint?
- A) Pubic symphysis
- B) Intervertebral disc
- C) Suture of the skull
- D) Knee joint
15. A symphysis joint is found:
- A) Only in the skull
- B) Predominantly in the midline (e.g., pubic symphysis, intervertebral discs)
- C) Between the tooth root and bony socket
- D) Between adjacent vertebral laminae via ligamentum flavum
16. In osteoarthritis, reactive bony nodules formed at joint margins are called:
- A) Chondromas
- B) Osteophytes
- C) Exostoses
- D) Enthesophytes
17. Which type of synovial joint allows movement in all axes (multiaxial)?
- A) Hinge joint
- B) Pivot joint
- C) Ball and socket joint
- D) Plane joint
18. The ligamentum flavum connecting adjacent vertebral laminae is an example of:
- A) Synchondrosis
- B) Symphysis
- C) Syndesmosis
- D) Suture
19. Skeletal muscle consists of:
- A) Single uninucleated cells with branching
- B) Smooth spindle-shaped fibers
- C) Parallel bundles of long, multinucleated fibers
- D) Involuntary non-striated fibers
20. Cardiac muscle differs from skeletal muscle in that it:
- A) Is striated and voluntary
- B) Consists of a branching network of individual cells linked electrically and mechanically
- C) Contains multinucleated giant cells
- D) Is found in the walls of arteries
21. Smooth muscle is found in all of the following EXCEPT:
- A) Walls of blood vessels
- B) Associated with hair follicles
- C) Walls of the gastrointestinal tract
- D) Skeletal muscle fascicles
22. Deep fascia that thickens near joints to hold tendons in place is called:
- A) Periosteum
- B) Synovial sheath
- C) Retinaculum
- D) Investing fascia
23. Intermuscular septa are extensions of:
- A) Superficial fascia
- B) Periosteum
- C) Deep fascia
- D) Epimysium
24. The glenohumeral joint is reinforced superiorly by the:
- A) Coracohumeral ligament only
- B) Deltoid muscle
- C) Rotator cuff muscles (supraspinatus, infraspinatus, teres minor, subscapularis)
- D) Pectoralis major tendon
25. The sternoclavicular joint is the only articulation between:
- A) The clavicle and the scapula
- B) The upper limb and the axial skeleton
- C) The humerus and the thoracic wall
- D) The ribs and the sternum
26. The acromioclavicular joint is reinforced primarily by the:
- A) Sternoclavicular ligament
- B) Coracoclavicular ligament
- C) Glenohumeral ligaments
- D) Transverse humeral ligament
27. The hip joint is a:
- A) Hinge joint
- B) Pivot joint
- C) Ball and socket joint
- D) Saddle joint
28. The acetabular labrum of the hip joint:
- A) Reduces the surface area of the acetabulum
- B) Deepens the acetabulum and improves stability
- C) Produces synovial fluid
- D) Acts as a meniscus between femoral head and acetabulum
29. The knee joint contains all of the following EXCEPT:
- A) Anterior cruciate ligament
- B) Medial and lateral menisci
- C) Infrapatellar fat pad
- D) Glenoid labrum
30. The anterior cruciate ligament (ACL) of the knee prevents:
- A) Posterior displacement of the tibia on the femur
- B) Anterior displacement of the tibia on the femur
- C) Lateral rotation of the femur
- D) Valgus stress at the knee
31. The medial meniscus of the knee is more prone to injury than the lateral meniscus because:
- A) It is larger and more mobile
- B) It is firmly attached to the medial collateral ligament, limiting its mobility
- C) It is thinner and more vascular
- D) It lacks peripheral attachment to the joint capsule
32. The ankle (talocrural) joint is a:
- A) Ball and socket joint
- B) Condylar joint
- C) Hinge joint
- D) Pivot joint
33. Which bone does NOT articulate at the ankle joint?
- A) Tibia
- B) Fibula
- C) Talus
- D) Calcaneus
34. The deltoid ligament is located:
- A) On the lateral side of the ankle
- B) On the medial side of the ankle
- C) Between the tibia and fibula
- D) Posterior to the ankle joint
35. Synovial bursae function to:
- A) Produce bone matrix
- B) Reduce friction between tendons and bone or other structures
- C) Transmit nerve impulses across joints
- D) Anchor tendons to periosteum
36. A gomphosis joint is found:
- A) Between cranial bones
- B) Between adjacent vertebrae
- C) Between tooth roots and their bony sockets
- D) Between the radius and ulna
37. Sesamoid bones develop within:
- A) Articular cartilage
- B) Tendons
- C) Synovial bursae
- D) Joint capsules
38. The interosseous membrane between the radius and ulna is classified as:
- A) Symphysis
- B) Synchondrosis
- C) Syndesmosis
- D) Synostosis
39. Which of the following best describes a saddle joint?
- A) Allows movement in one plane only
- B) Has two saddle-shaped surfaces; allows movement in two planes (biaxial)
- C) Permits rotation only
- D) Found between vertebral bodies
40. The psoas fascia is clinically significant because:
- A) It completely prevents spread of infection
- B) Infection (e.g., from vertebral tuberculosis) can track along it to present as a groin swelling
- C) It forms the inguinal ligament
- D) It is the origin of the femoral nerve
ANSWER KEY
| Q | Answer | Q | Answer |
|---|---|---|---|
| 1 | B | 21 | D |
| 2 | C | 22 | C |
| 3 | C | 23 | C |
| 4 | C | 24 | C |
| 5 | B | 25 | B |
| 6 | C | 26 | B |
| 7 | B | 27 | C |
| 8 | C | 28 | B |
| 9 | B | 29 | D |
| 10 | C | 30 | B |
| 11 | C | 31 | B |
| 12 | C | 32 | C |
| 13 | B | 33 | D |
| 14 | C | 34 | B |
| 15 | B | 35 | B |
| 16 | B | 36 | C |
| 17 | C | 37 | B |
| 18 | C | 38 | C |
| 19 | C | 39 | B |
| 20 | B | 40 | B |
References: Gray's Anatomy for Students (Elsevier), Moore's Clinically Oriented Anatomy — General Anatomy & Musculoskeletal System chapters.
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