ATI RN
Multiple Choice Questions Skeletal System Questions
Question 1 of 5
Where are blood vessels in compact bone found?
Correct Answer: D
Rationale: Blood vessels in compact bone are in the central (Haversian) canal of osteons, supplying osteocytes via canaliculi. Canaliculi, periosteum, and lacunae don’t house vessels. Answer is D, per the document.
Question 2 of 5
The formula for the inorganic salts in bone is
Correct Answer: C
Rationale: Hydroxyapatite, Ca₁₀(PO₄)₆OH₂, is the primary inorganic salt in bone, containing calcium and phosphorus. Others are organic molecules. Answer is C, per the document.
Question 3 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 4 of 5
Articulating bones are joined by
Correct Answer: D
Rationale: Ligaments connect bone to bone at articulations (joints). Aponeuroses and tendons connect muscle to bone, fasciculi are muscle bundles. Answer is D, per the document.
Question 5 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.