Musculoskeletal System Flashcards
6 cards from real Anatomy and Physiology practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Musculoskeletal System flashcards as text
Which bone forms the posterior portion of the hard palate?
Answer: Palatine bone
The palatine bone forms the posterior one-third of the hard palate, while the maxilla forms the anterior two-thirds.
What is the term for the connective tissue sheath surrounding an individual muscle fascicle?
Answer: Perimysium
The perimysium is the connective tissue layer that surrounds each fascicle, a bundle of muscle fibers.
Which cells are responsible for bone formation?
Answer: Osteoblasts
Osteoblasts synthesize and deposit the bone matrix (osteoid) and are the primary cells responsible for new bone formation.
At what joint does the radius articulate with the carpal bones of the wrist?
Answer: Radiocarpal joint
The radiocarpal joint is the main wrist joint where the distal radius articulates with the proximal row of carpal bones.
What is the functional unit of skeletal muscle contraction?
Answer: Sarcomere
The sarcomere is the basic contractile unit of skeletal muscle, extending from one Z-line to the next.
Which type of bone marrow is responsible for hematopoiesis (blood cell production) in adults?
Answer: Red bone marrow
Red bone marrow contains hematopoietic stem cells and is the site of blood cell production in adults, found primarily in flat and irregular bones.