ATI RN
Multiple Choice Questions Skeletal System Questions
Question 1 of 5
What is the name given to the central tunnel of an osteon that contains blood vessels?
Correct Answer: C
Rationale: The Haversian (central) canal in an osteon contains blood vessels. Canaliculi connect osteocytes, endosteum lines cavities, medullary canal is larger in long bones. Answer is C, per the document.
Question 2 of 5
The appendicular skeleton groups together which sets of bones?
Correct Answer: A
Rationale: Appendicular skeleton: arms/hands, legs/feet, shoulder (pectoral) girdle, pelvic girdle—limbs and supports. Others include axial parts. Answer is A, per the document.
Question 3 of 5
Compact bone differs from spongy (cancellous) bone because compact bone:
Correct Answer: D
Rationale: Compact bone has osteons with Haversian canals for vessels, unlike spongy bone’s trabeculae. Both have marrow, short bones vary. Answer is D, per the document.
Question 4 of 5
The tibia articulates distally with which one of the following?
Correct Answer: A
Rationale: Distally, the tibia articulates with tarsals (e.g., talus) at the ankle, not metatarsals, phalanges, or femur (proximal). Answer is A, per the document.
Question 5 of 5
On what bone does the acetabulum occur?
Correct Answer: C
Rationale: The acetabulum, a socket in the pelvis (coxal bone), articulates with the femur. Not occipital, humerus, or tibia. Answer is C, per the document.