ATI RN
Skeletal System Questions Questions
Question 1 of 5
Doing arm circles is an example of
Correct Answer: B
Rationale: Arm circles involve circumduction, a circular motion combining flexion, extension, abduction, and adduction (e.g., shoulder). Rotation is single-axis, flexion bends, and pronation rotates the palm, making 'circumduction' correct.
Question 2 of 5
The cribriform plate of the sphenoid bone allows access to the olfactory sensors in the upper nasal cavity.
Correct Answer: B
Rationale: The cribriform plate of the ethmoid bone (not sphenoid) has foramina for olfactory nerves from the nasal cavity to the brain. This error makes 'False' correct.
Question 3 of 5
The pectoral girdle is made up of the clavicle and sternum.
Correct Answer: B
Rationale: The pectoral girdle comprises the clavicle and scapula, supporting the arms. The sternum is axial, not part of the girdle, making 'False' correct.
Question 4 of 5
The tibia articulates with the calcaneus of the ankle.
Correct Answer: B
Rationale: The tibia articulates with the talus (not calcaneus) at the ankle joint. The calcaneus (heel) is below, making 'False' correct.
Question 5 of 5
The bones do not assist the lymphatic system.
Correct Answer: B
Rationale: Bones assist the lymphatic system via bone marrow, producing lymphocytes (immune cells). This makes 'False' correct.