ATI RN
Questions About the Skeletal System Questions
Question 1 of 5
Which of the following is NOT a part of the coxal bone?
Correct Answer: A
Rationale: The coxal bone comprises ilium, ischium, and pubis, fusing at the acetabulum. The sacrum is a separate pelvic bone, not part of the coxal bone, making 'sacrum' correct.
Question 2 of 5
To flap your arms like a bird involves
Correct Answer: C
Rationale: Flapping arms involves abduction (raising arms laterally) and adduction (lowering them), mimicking wings. Flexion/extension bends/straightens, supination/pronation rotates, and elevation/depression is shoulders, making 'abduction and adduction' correct.
Question 3 of 5
The shaft of a long bone is called the diaphysis.
Correct Answer: A
Rationale: The diaphysis is the shaft of a long bone, a cylindrical region of compact bone. This is standard anatomy, making 'True' correct.
Question 4 of 5
A fontanelle is a cavity or hollow space in a bone.
Correct Answer: B
Rationale: A fontanelle is a soft, membranous gap between fetal cranial bones, not a cavity in bone (sinuses are cavities). This makes 'False' correct.
Question 5 of 5
Rib pairs 11 and 12 are the true ribs.
Correct Answer: B
Rationale: True ribs (vertebrosternal, 1-7) attach directly to the sternum. Ribs 11-12 are floating (vertebral), with no sternal connection, making 'False' correct.