Body Structure and Function TEST #1 ACTUAL EXAM TESTBANK - 3 VERSIONS WITH VERIFIED ANSWERS FINAL EXAM BUNDLE 2026/2027 (REAL EXAM QUESTIONS) 1. Red bone marrow Q1. Red bone marrow is responsible for: A. Fat storage B. Blood cell production

Body Structure and Function TEST #1 ACTUAL EXAM TESTBANK - 3 VERSIONS WITH VERIFIED ANSWERS FINAL EXAM BUNDLE 2026/2027 (REAL EXAM QUESTIONS) 1. Red bone marrow Q1. Red bone marrow is responsible for: A. Fat storage B. Blood cell production C. Bone hardening D. Cartilage formation Answer: B Rationale: Red bone marrow produces red blood cells and is active in children. 2. Yellow bone marrow Q2. Yellow bone marrow primarily functions as: A. Blood production site B. Fat storage C. Bone growth center D. Ligament formation Answer: B Rationale: In adults, it stores fat and replaces red marrow. FOREARM & UPPER LIMB BONES 3. Ulna Q3. The ulna is located on the: A. Thumb side of forearm B. Inner (pinky) side of forearm C. Upper arm D. Shoulder Answer: B Rationale: Ulna is medial and forms the inner forearm. 4. Radius Q4. The radius is located on the: A. Little finger side B. Thumb side C. Shoulder side D. Chest side Answer: B Rationale: Radius is lateral and on the thumb side. 5. Humerus Q5. The humerus is the: A. Bone of the thigh B. Upper arm bone C. Forearm bone D. Wrist bone Answer: B Rationale: It is the long bone of the upper arm. 6. Scapula Q6. The scapula is also known as the: A. Collar bone B. Shoulder blade C. Breastbone D. Hip bone Answer: B Rationale: It forms the back of the shoulder. 7. Carpal bones Q7. Carpal bones are found in the: A. Ankle B. Wrist C. Fingers D. Shoulder Answer: B Rationale: They form the wrist joint. 8. Metacarpals Q8. Metacarpals form the: A. Wrist B. Palm of the hand C. Fingers D. Forearm Answer: B Rationale: They make up the palm region. 9. Phalanges Q9. Phalanges are bones of the: A. Wrist and ankle B. Fingers and toes C. Forearm only D. Spine Answer: B Rationale: They form digits of hands and feet. 10. Femur Q10. The femur is: A. Smallest bone B. Longest and strongest bone C. Shoulder bone D. Wrist bone Answer: B Rationale: It is the longest and strongest bone in the body. 11. Tibia Q11. The tibia is: A. Fibula bone B. Weight-bearing lower leg bone C. Forearm bone D. Skull bone Answer: B Rationale: It is the main weight-bearing bone of the leg. 12. Fibula Q12. The fibula: A. Bears body weight B. Is the largest bone C. Stabilizes the ankle but does not bear weight D. Forms the skull Answer: C Rationale: It supports ankle stability only. 13. Os coxae Q13. The os coxae is formed by: A. Femur and tibia B. Ilium, ischium, pubis C. Radius and ulna D. Scapula and clavicle Answer: B Rationale: These three bones form the hip bone. SKULL & SPINE 14. Hyoid bone Q14. The hyoid bone is unique because it: A. Forms the skull B. Does not articulate with other bones C. Forms the spine D. Bears weight Answer: B Rationale: It is suspended in the neck and not connected to other bones. 15. Atlas Q15. The atlas (C1) vertebra: A. Rotates the head B. Supports the skull C. Forms lower spine D. Is in the lumbar region Answer: B Rationale: It supports the head. 16. Axis Q16. The axis (C2) allows: A. Walking B. Head rotation C. Breathing D. Knee movement Answer: B Rationale: It allows side-to-side head rotation. 17. Thoracic vertebrae Q17. Thoracic vertebrae are: A. Neck vertebrae B. Lower back vertebrae C. Mid-back vertebrae D. Tailbone Answer: C Rationale: They form the mid-back region. 18. Lumbar vertebrae Q18. Lumbar vertebrae are found in the: A. Neck B. Upper back C. Lower back D. Skull Answer: C Rationale: They form the lower back (L1–L5). 19. Sternum Q19. The sternum is also called the: A. Shoulder blade B. Breastbone C. Collar bone D. Hip bone Answer: B Rationale: It forms the center of the chest. 20. Clavicle Q20. The clavicle is the: A. Shoulder blade B. Collar bone C. Jaw bone D. Skull bone Answer: B Rationale: It connects arm to torso.