ATI RN
Multiple Choice Questions on Skeletal System Questions
Question 1 of 5
A joint that allows for up and down movement in one plane is a joint.
Correct Answer: B
Rationale: Hinge joints (e.g., elbow) permit up-and-down movement (flexion/extension) in one plane. Gliding allows sliding, condyloid two planes, and saddle is multi-directional, making 'hinge' correct.
Question 2 of 5
In endochondral ossification, hyaline cartilage turns into bone.
Correct Answer: A
Rationale: Endochondral ossification replaces a hyaline cartilage model with bone (e.g., femur), a key process for long bones. This is accurate, making 'True' correct.
Question 3 of 5
The second cervical vertebra that allows you to shake your head 'no' is the axis.
Correct Answer: A
Rationale: The axis (C2) has the dens, enabling pivot rotation with the atlas (C1) for head shaking 'no.' This is accurate, making 'True' correct.
Question 4 of 5
The male pubic arch is wider than the female pubic arch.
Correct Answer: B
Rationale: The female pubic arch is wider (greater subpubic angle, ~90-100°) than the male’s (~50-60°) for childbirth. This makes 'False' correct.
Question 5 of 5
Slightly movable joints are also called amphiarthroses.
Correct Answer: A
Rationale: Amphiarthroses are slightly movable joints (e.g., pubic symphysis, intervertebral discs), per joint classification. This is correct, making 'True' the answer.