ATI RN
Multiple Choice Questions Skeletal System Questions
Question 1 of 5
Which one of the following is a bone that is embedded within a tendon?
Correct Answer: D
Rationale: Sesamoid bones (e.g., patella) ossify within tendons, enhancing leverage. Sphenoid and ethmoid are cranial, hyoid is free-floating—none are in tendons. Answer is D, per the document.
Question 2 of 5
Where is the epiphyseal plate of a long bone located?
Correct Answer: B
Rationale: The epiphyseal plate (growth plate) is hyaline cartilage between the diaphysis (shaft) and epiphysis (end), ossifying into a line in adults. Answer is B, per the document.
Question 3 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 4 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 5 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.