ATI RN
Questions About Skeletal System with Answers Questions
Question 1 of 5
The atlas is also known as the vertebrae.
Correct Answer: A
Rationale: The atlas, the first cervical vertebra (C1), supports the skull and allows nodding. C2 is the axis, C7 is lower cervical, and T1 is thoracic, making 'C1' correct.
Question 2 of 5
Identify the three regions of the coxal bones.
Correct Answer: D
Rationale: The coxal bone (hip) has three regions: ilium (upper), ischium (lower posterior), and pubis (lower anterior), fusing at the acetabulum. The sacrum is separate, making 'Ilium, ischium and pubis' correct.
Question 3 of 5
The pelvis is formed from the
Correct Answer: B
Rationale: The pelvis includes two coxal bones (hips), the sacrum, and coccyx, forming a ring supporting the lower body. Scapulae, clavicles, and sternum are pectoral, making 'coxal bones, sacrum, and coccyx' correct.
Question 4 of 5
Which of the following is NOT a cartilagenous joint?
Correct Answer: B
Rationale: Cartilaginous joints (e.g., vertebrae via discs, rib-sternum via costal cartilage, pubic symphysis) use cartilage. Tooth sockets (gomphosis) are fibrous joints, not cartilaginous, making 'between a tooth root and its socket' correct.
Question 5 of 5
To bow before a king is an example of
Correct Answer: D
Rationale: Bowing involves flexion, bending joints (e.g., knee, hip) forward. Extension straightens, abduction moves away, and adduction moves toward the midline, making 'flexion' correct.