ATI RN
Skeletal System Questions Questions
Question 1 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 2 of 5
Which one of the following bones is located in the lower arm?
Correct Answer: B
Rationale: The lower arm (forearm) includes the radius and ulna. The scapula is the shoulder blade, femur is the thigh, and humerus is the upper arm, making 'Radius' the correct answer.
Question 3 of 5
What type of bone is the scapula?
Correct Answer: A
Rationale: The scapula (shoulder blade) is a flat bone, broad and thin, providing protection and muscle attachment. Short bones are cube-like, irregular are complex, and sesamoid are in tendons, making 'Flat' correct.
Question 4 of 5
The ball and socket joint at the shoulder allows which of the following joint actions?
Correct Answer: A
Rationale: The shoulder (ball-and-socket) allows flexion (forward), extension (backward), abduction (away), adduction (toward), and rotation (circular), offering full range. B, C, and D are incomplete, making 'Flexion, extension, abduction, adduction and rotation' correct.
Question 5 of 5
One of the functions of bones is to make red blood cells. What is this process known as?
Correct Answer: B
Rationale: Haemopoiesis (or hematopoiesis) is blood cell formation in bone marrow, including red blood cells. Haemolysis is cell rupture, haematuria is blood in urine, and haemostasis is clotting—none match. Answer is B, per the document.