ATI RN
Questions for Skeletal System Questions
Question 1 of 5
Identify the four paranasal sinuses associated with the skull.
Correct Answer: D
Rationale: The paranasal sinuses are frontal (forehead), maxillary (cheek), sphenoidal (behind eyes), and ethmoidal (between eyes), all skull-related. Temporal and mastoid are not sinuses, mandibular is the jaw, making 'frontal, maxillary, sphenoidal and ethmoidal' correct.
Question 2 of 5
What is the name of the U-shaped bone located superior to the larynx?
Correct Answer: A
Rationale: The hyoid, a U-shaped bone in the neck above the larynx, supports the tongue and lacks articulation with other bones. The thyroid is cartilage, zygomatic arch is facial, and clavicle is pectoral, making 'hyoid' correct.
Question 3 of 5
There are vertebrosternal ribs, vertebrochondral ribs and vertebral ribs.
Correct Answer: C
Rationale: Ribs are classified: 7 vertebrosternal (true, attach directly to sternum via cartilage), 3 vertebrochondral (false, attach via shared cartilage), and 2 vertebral (floating, no sternal attachment). '7-3-2' is correct.
Question 4 of 5
The wrist bones are the:
Correct Answer: A
Rationale: The carpals are the 8 wrist bones, forming the carpus. Metacarpals are hand, metatarsals are foot, and tarsals are ankle, making 'carpals' correct.
Question 5 of 5
The depression of the coxal bones where the head of the femur articulates with the coxal bone is called the:
Correct Answer: A
Rationale: The acetabulum, a deep depression in the coxal bone, articulates with the femur head, forming the hip joint. The obturator foramen, sciatic notch, and pubic symphysis have other roles, making 'acetabulum' correct.