Which of the following statements about the developmental aspects of bone is inaccurate?  a. in children and adolescents, bone formation is greater than bone resorption b. in old age, bone formation is less than bone resorption c. almost all bones are completely ossified by age 25 d. bone mass declines starting at age 40 e. None of the above

identify tissue shown in the image a. compact woven bone b. compact lamellar bone c. hyaline cartilage d. spongy woven bone e. spongy lamellar bone

a) Describe age-associated changes in human bone and their consequences in terms of physiological function  b) Discuss how keeping physically active may help to maintain physiological function in human bone during the ageing process

Chronic vitamin D deficiency results in which of these consequences?a. Bones become brittle.b. The percentage of bone composed of hydroxyapatite increases.c. Bones become soft and pliable.d. Scurvy occurs.e. Both a and b are correct.

The long bone structure includes epiphyses, diaphysis, and membranes.  Which of following statements relating to long bone structure is incorrect?  a. the epiphyses are made up of the internal spongy bone surrounded by compact bone b. the epiphyseal plate is the remnant of the growth line, where bone growth occurs c. the diaphysis has a marrow cavity containing yellow marrow in adults d. a and b e. a, b, and c

Spongy bone tissue: Select one: a. Is formed of concentric lamellae without a central canal b. Is formed of an osteon with a central canal c. Is not resistant to stress d. Is formed of trabeculae with a central canal

Which of the following hormones is not known to directly affect bone growth?   a. insulin     b. estrogen     c. testosterone     d. growth hormone

a) Briefly explain the concept of Wolff's law (bone adaptation). b) Explain what might happen if someone were to wear a leg cast for 12 weeks (no weight bearing on the leg). You can either describe in the textbox or attach a drawing to demonstrate your explanations.

Which of the following is the organic components in the solid bone tissue? A. Phosphorous B. Collagen C. Fat D. Calcium

1. A) What kind of cartilage tissue is found supporting the trachea wall?   A. Fibrocartilage   B. Elastic cartilage   C. Hyaline cartilage   D. All of the above B) A bone with approximately the same width, length, and height is most likely a(n) _________________.   A. long bone   B. short bone   C. flat bone   D. medullary   E. A and B C) The Haversian (central) canal in each osteon contains ______________.   A. hydroxyapatite   B. synovial fluid   C. osteoblasts   D. blood vessels   E. chondroitin sulfate D) What makes bones strong?   A. Silica   B. Calcium and phosphorus   C. Blood and marrow   D. Cartilage E) Which of the following cells is primarily responsible for bone resorption?   A. Osteoblasts   B. Osteoclasts   C. Chondroblasts   D. Chondrocytes   E. Osteocytes F) The remodeling of bone is a function of _________________.   A. chondrocytes and osteocytes…