ATI RN
Questions About the Skeletal System Questions
Question 1 of 5
In anatomical position, identify the forearm bone that is most lateral?
Correct Answer: A
Rationale: In anatomical position (palms forward), the radius is lateral (thumb side) and the ulna medial (pinky side) in the forearm. Tibia and fibula are leg bones, making 'radius' correct.
Question 2 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 3 of 5
A freely movable joint is called a joint.
Correct Answer: D
Rationale: Freely movable joints are synovial (e.g., knee) and termed diarthrotic. Cartilaginous joints are slightly movable, so 'Both B and C are correct' reflects the synonymy of synovial and diarthrotic.
Question 4 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 5 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.