ATI RN
Multiple Choice Questions About Skeletal System Questions
Question 1 of 5
The thigh bone is the:
Correct Answer: A
Rationale: The femur, the longest bone, forms the thigh, from hip to knee. The humerus is arm, tibia is shin, and ulna is forearm, making 'femur' correct.
Question 2 of 5
The knee and elbow are joints.
Correct Answer: A
Rationale: The knee and elbow are hinge joints, allowing flexion/extension in one plane. Ball-and-socket is multi-directional, saddle is thumb-specific, and gliding is sliding, making 'hinge' correct.
Question 3 of 5
Which of the following is an autoimmune disorder that results in damage to joints?
Correct Answer: A
Rationale: Rheumatoid arthritis is an autoimmune disorder attacking synovial joints, causing inflammation and damage. Osteoarthritis is wear-and-tear, osteoporosis is bone loss, and bursitis is bursa inflammation, making 'rheumatoid arthritis' correct.
Question 4 of 5
Bones of the skull develop from the process of intramembranous ossification.
Correct Answer: A
Rationale: Skull bones (e.g., frontal, parietal) form via intramembranous ossification from fibrous membranes, unlike long bones (endochondral). This is standard development, making 'True' correct.
Question 5 of 5
There are seven cervical, fourteen thoracic, and five lumbar vertebrae.
Correct Answer: B
Rationale: The correct count is 7 cervical, 12 thoracic, and 5 lumbar vertebrae (24 total movable). 'Fourteen thoracic' is incorrect, making 'False' the answer.