ATI RN
Questions About Skeletal System with Answers Questions
Question 1 of 5
The process of the formation of blood cells is called:
Correct Answer: B
Rationale: Hematopoiesis is the process of blood cell formation, occurring in red bone marrow. Endochondral and intramembranous ossification form bones, and remodeling reshapes them, making 'hematopoiesis' the correct answer.
Question 2 of 5
Which type of fracture occurs when the break is ragged due to twisting of the bone?
Correct Answer: D
Rationale: A spiral fracture results from twisting forces, creating a ragged, helical break (e.g., in sports injuries). Compressed fractures shorten bones, comminuted fractures shatter them, and impacted fractures involve ends driven together, making 'spiral' correct.
Question 3 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 4 of 5
The lower jaw is formed by the:
Correct Answer: A
Rationale: The mandible, the only movable skull bone, forms the lower jaw and holds lower teeth. The maxillae are upper jaw, vomer is nasal, and zygomatic is cheek, making 'mandible' correct.
Question 5 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.