ATI RN
Multiple Choice Questions About Skeletal System Questions
Question 1 of 5
An immovable joint is called a/an
Correct Answer: D
Rationale: A synarthrosis is an immovable joint (e.g., skull sutures). Diarthrosis is freely movable, amphiarthrosis is slightly movable, and osteoarthrosis is a condition, making 'synarthrosis' correct.
Question 2 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 3 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 4 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.
Question 5 of 5
The female pelvis is wider and more shallow than the male pelvis.
Correct Answer: A
Rationale: The female pelvis is wider and shallower to accommodate childbirth, with flared ilia and a broader pubic angle. This is accurate, making 'True' correct.