Bones

What does compact bone have that spongy bone does not? A) Trabeculae B) Osteons C) Cartilage D) Adipose tissue

B) Osteons

Where is articular cartilage found on a long bone? A) On the epiphysis B) On the diaphysis C) Inside the bone D) At the marrow cavity

A) On the epiphysis

What is the process of bone growing in thickness called? A) Interstitial growth B) Appositional growth C) Endochondral ossification D) Intramembranous ossification

B) Appositional growth

What is the process by which a bone grows in length? A) Increased activity of osteoclasts B) Increased activity within the epiphyseal plate C) Decreased secretion of hormones D) Bone remodeling

B) Increased activity within the epiphyseal plate

What are osteoblasts and osteocytes? A) Bone-forming cells and nerve cells B) Bone-forming cells and mature bone cells C) Immature bone cells and bone-destroying cells D) Cartilage cells and connective tissue cells

B) Bone-forming cells and mature bone cells

What does a vitamin D deficiency result in for a child? A) Osteoporosis B) Rickets C) Osteomalacia D) Scurvy

B) Rickets

What hormone's deficiency results in pituitary dwarfism? A) Thyroid hormone B) Insulin C) Growth hormone D) Estrogen

C) Growth hormone

What is not a step in endochondral bone formation? A) Hyaline cartilage changes to bone B) Bone remodeling occurs C) Hyaline cartilage changes to adipose tissue D) Osteoblasts deposit bone matrix

C) Hyaline cartilage changes to adipose tissue

What happens if the secondary ossification center never forms? A) The bone becomes longer B) The ends of the bone remain cartilaginous C) The whole bone is cartilage D) The bone grows thicker

B) The ends of the bone remain cartilaginous

What does the presence of an epiphyseal plate indicate? A) Bone stop growing B) Bone is lengthening C) Bone is remodeling D) Bone is calcifying

B) Bone is lengthening.

What is the main function of osteoblasts? A) To destroy bone B) To deposit bone matrix and become osteocytes C) To maintain bone tissue D) To regulate calcium levels

B) To deposit bone matrix and become osteocytes.

What differentiates endochondral ossification from intramembranous ossification? A) One replaces bone with cartilage B) One occurs in the skull C) One replaces hyaline cartilage with bone D) One only occurs in children

C) One replaces hyaline cartilage with bone.

What happens if the ossification center is removed during intramembranous ossification? A) Bone grows at a normal rate B) Bone would stop growing C) Bone becomes fragile D) There would be no effect

B) Bone would stop growing.

What do red bone marrow cells produce? A) Hormones B) Red blood cells, white blood cells, and platelets C) Adipose tissue D) Osteons

B) Red blood cells, white blood cells, and platelets.

Which of the following does not describe the function(s) of the skeletal system? A) Provides structure B) Protects organs C) Generates movements of the limbs D) Stores minerals

C) Generates movements of the limbs.

Which bones are found within the axial skeleton? A) Tibia and fibula B) Skull, hyoid bone, thoracic cage, and vertebral column C) Scapula and clavicle D) Femur and pelvis

B) Skull, hyoid bone, thoracic cage, and vertebral column.

What three bones fuse to form the hip bone? A) Ilium, ischium, and pubis B) Femur, tibia, and fibula C) Radius, ulna, and humerus D) Coccyx, sacrum, and pelvis

A) Ilium, ischium, and pubis.

What shape is the zygomatic bone classified as? A) Round bone B) Long bone C) Irregular bone D) Flat bone

C) Irregular bone.

The calcaneus bone is an example of which type of bone? A) Long bone B) Short bone C) Flat bone D) Irregular bone

B) Short bone.

Which is not associated with spongy bone? A) Trabeculae B) Osteocytes C) Osteons D) Bone marrow

C) Osteons.

What shape of bone has an incorrect example listed? A) Flat bone - thigh bone B) Long bone - tibia C) Irregular bone - vertebrae D) Short bone - carpal bone

A) Flat bone - thigh bone.