ATI RN
Skeletal System Questions Questions
Question 1 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.
Question 2 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 3 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 4 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.
Question 5 of 5
What are the bones of the fingers known as?
Correct Answer: D
Rationale: Phalanges are the finger (and toe) bones, long bones in digits. Metacarpals are hand, carpals are wrist—neither are fingers. Answer is D, per the document.