ATI RN
Questions About the Skeletal System Questions
Question 1 of 5
What is a 'trochanter'?
Correct Answer: A
Rationale: A trochanter is a bony projection on the femur—greater (lateral) and lesser (medial)—for muscle attachment, not articulation or a groove. It’s specific to the femur, not pelvis. Answer is A, per the document.
Question 2 of 5
One of the following lists contains only bones in the appendicular skeleton. Which one?
Correct Answer: B
Rationale: Appendicular skeleton includes limbs/girdles: clavicle, fibula, metatarsal, phalange, radius are all appendicular. Ethmoid, coccyx, occipital, sternum, mandible are axial. Answer is B, per the document.
Question 3 of 5
Which of the following is a NOT a projection from a bone surface?
Correct Answer: C
Rationale: A trabeculum (trabeculae) is an internal structure in spongy bone, not a surface projection. Trochanter, tubercle, and tuberosity are projections. Answer is C, per the document.
Question 4 of 5
Which of the following is a projection from a bone surface?
Correct Answer: D
Rationale: A facet is a flat projection for articulation (e.g., vertebral facets). Fossa (depression), fissure (slit), and foramen (hole) are not projections. Answer is D, per the document.
Question 5 of 5
Which list contains the bones of the pelvic and pectoral girdles?
Correct Answer: C
Rationale: Pelvic girdle: coxal bones; pectoral girdle: clavicles, scapulae. Manubrium, cervical, coccyx, sacrum are axial. Answer is C, per the document.