ATI RN
Questions About Skeletal System with Answers Questions
Question 1 of 5
The cranial bone(s) that forms the forehead, a portion of the nose and the superior portion of the orbits is/are the bone(s).
Correct Answer: B
Rationale: The frontal bone forms the forehead, part of the nasal cavity roof, and the superior orbit rims. The ethmoid is internal, parietal forms the sides, and sphenoid is deeper, making 'frontal' the correct answer.
Question 2 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 3 of 5
Identify the bones that form the pectoral girdle.
Correct Answer: A
Rationale: The pectoral girdle, supporting the upper limbs, comprises the scapulae (shoulder blades) and clavicles (collarbones). Radii/ulnae are forearm, coxal bones are pelvic, and tibiae/fibulae are leg, making 'Scapulae and clavicles' correct.
Question 4 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 5 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.