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PDF Download HESI A2 A&P SKELETAL SYSTEM EXAM QUESTIONS Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -53 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: Cartilage
Answer:
strong connective tissue that supports the body and is softer and more flexible than bone
Question 2: Flat bones
Answer:
platelike structures with broad surfaces (ex. ribs, scapulae, and some skull bones)
Question 3: Sesamoid bone (round bone)
Answer:
usually small and nodular, embedded in a tendon, adjacent to a joint (ex. patella)
Question 4: Where is yellow marrow found
Answer:
Diaphysis
Question 5: Perforating canal
Answer:
perpendicular to central canal; connects one osteon to another through blood vessels
Question 6: Yellow marrow
Answer:
fat storage tissue in the medullary cavity of long bones
Question 7: How many bones in the skull?
Answer:
-6 paired ear bones (ossicles) -14 facial bones -8 cranial vault bones
Question 8: Synathrotic joints
Answer:
-essentially immovable -mostly fibrous joints
Question 9: Osteoarthritis
Answer:
-When articular cartilage degenerates -Sometimes self inflicted (especially in athletes)
Question 10: Osteoblasts
Answer:
cells the form compact bone
Question 11: Arthritis
Answer:
inflammation of the joints
Question 12: ACL and PCL
Answer:
-two important ligaments in the knee that connect the femur with the tibia -anterior/posterior cruciate ligament
Question 13: What is the only movable bone in the skull?
Answer:
mandible
Question 14: Central canal
Answer:
located at the center of an osteon; contains blood vessels and nerves surrounded by loose connective tissue
Question 15: Ellipsoid joint (condyloid)
Answer:
-between hand and finger bones
Question 16: Where is red marrow found
Answer:
Epiphysis
Question 17: Axial skeleton
Answer:
-skull -vertebral column -12 pairs of ribs -sternum
Question 18: Periosteum
Answer:
tough covering of connective tissue that encloses a long bone
Question 19: Cartilaginous joints
Answer:
-made of cartilage that binds bones together -joints between ribs -joints between vertebral discs
Question 20: How to synovial joints allow movement?
Answer:
-bones are covered with smooth articular cartilage -a thin layer of synovial fluid separates and lubricates the two cartilage covered bone surfaces
Question 21: Suture
Answer:
-Only between flat bones of skull -Synarthrotic (no movement) -Thin layer of fibrous connective tissue connects bones
Question 22: Hinge joint
Answer:
-elbow/knee
Question 23: Two types of bone development
Answer:
-Intramembranous ossification -Endochondral ossification
Question 24: Diarthrotic
Answer:
-freely movable -synovial joints
Question 25: Parts of a long bone
Answer:
-Epiphysis (distal/proximal ends) -Diaphysis (shaft) -Compact bone (middle) -Spongy bone (ends)
Question 26: Osteoclasts
Answer:
large cells that break down the calcified bone matrix
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