The hormones that coordinate the storage, absorption, and excretion of calcium ions are (a) growth hormone and thyroxine, (b) calcitonin and parathyroid hormone, (c) calcitriol and cholecalciferol, (d) estrogens and androgens.

Multiple ChoiceMore than one choice may apply.Which of the following would you expect to be prominent in osteoclasts?a. Golgi apparatusb. Lysosomesc. Microfilamentsd. Exocytosis

Exposure to optimum amounts of sunlight is necessary for proper bone maintenance and growth in children. (a) What does sunlight do to promote bone maintenance and growth?

Exposure to optimum amounts of sunlight is necessary for proper bone maintenance and growth in children. (b) If a child lives in an area where exposure to sunlight is rare because of pollution or overcast skies, what can be done to minimize impaired maintenance and growth of bone?

The presence of an epiphyseal line indicates (a) epiphyseal growth has ended, (b) epiphyseal growth is just beginning, (c) growth of bone diameter is just beginning, (d) the bone is fractured at the location, (e) no particular event.

What is the primary difference between endochondral ossification and intramembranous ossification?

a. What nutritional factors are essential for normal bone growth and maintenance?

b. What hormonal factors are necessary for normal bone growth and maintenance?

Which three organs or tissues interact to assist in the regulation of calcium ion concentration in body fluids?