Thompson ch 9

Bone modeling determines the __________ of our bones.

composition

size

lifetime growth

shape

• composition

• size

• lifetime growth

• shape

Trabecular bone is __________ and accounts for about __________ of our skeleton.

• compact; 20%

• compact; 35%

• porous; 80%

• spongy; 20%

Among other things, calcium assists in maintaining healthy __________.

• lung function

• digestion

• blood pressure

• mental capacity

This results when blood calcium levels reach abnormally high levels.

• diabetes

• osteomalacia

• hypercalcemia

• rickets

Healthy young adults absorb only about __________ of the calcium from most foods.

• 10%

• 30%

• 50%

• 60%

Bone formation involves the action of __________.

• circulation

• osteoblasts

• osteoclasts

• fluorosis

__________ is a fibrous protein that forms the matrix of connective tissue.

• Hydroxyapatite

• Collagen

• Prothrombin

• Scurvy

When do men generally achieve peak bone density?

• 20-30 years of age

• 30-35 years of age

• 40-45 years of age

• puberty

Osteoporosis can increase a person’s risk for __________.

• heart disease

• bone fractures

• cancer

• diabetes

Which patient is at greatest risk for osteoporosis?

• Caucasian female who is underweight with an immediate relative with osteoporosis

• Caucasian female who is overweight with an immediate relative with osteoporosis

• Caucasian male who is overweight with an immediate relative with osteoporosis

• Female of Middle Eastern descent who is normal weight but has a grandmother with osteoporosis