Chapter 35: Bone metabolism

Chapter 35: Bone metabolism

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

MULTIPLE CHOICE

1. Substances that stimulate osteoblasts to express the Receptor Activator of Nuclear factor Kappa B (RANK) ligand include

1. alendronate
2. raloxifene
3. fluoride
4. calcitriol
5. osteoprotegerin

Answer d: calcitriol

1. Which type of vitamin D is formed in the skin by the action of ultraviolet radiation?

1. calcitriol
2. calcifediol
3. ergocalciferol
4. alfacalcidol
5. cholecalciferol

Answer e: cholecalciferol

1. Alendronate is useful in treating osteoporosis because of its ability to

1. stimulate bone formation by osteoblasts
2. inhibit bone resorption by osteoclasts
3. block receptor activator of nuclear factor kappa B
4. cause apoptosis of osteoclasts
5. cause differentiation of osteoblast precursor cells

Answer b: inhibit bone resorption by osteoblasts

1. Activation of calcium-sensing receptors by cinacalcet causes

1. a rise in plasma calcium concentration
2. increased secretion of parathyroid hormone
3. decreased secretion of parathyroid hormone
4. decreased secretion of calcitonin
5. increased formation of calcitriol

Answer c: decreased secretion of parathyroid hormone