Anatomy & Physiology I and II

Anatomy & Physiology Study Guide

7.10 Chapter Seven Practice Exam 1. Blood cell formation occurs in ____________. a. Yellow bone marrow b. Red bone marrow c. The matrix of bone tissue d. The ground substance of bones 2. The membrane found wrapping the bones, except at the joint cavity, is the ______________________. a. Periosteum b. Endosteum c. Perforating fibers d. A, B, and C are correct 3. The basic functional unit of compact bone is the Haversian system or _________. a. Osteocyte b. Osteoclast c. Osteon d. Osseous matrix 4. The vitamins essential for normal adult bone maintenance and repair are ________. a. A and E b. C and D c. B and E d. B complex and K 5. 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

6. 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 7. The primary reason that osteoporosis accelerates after menopause in women is ______________________. a. Reduced levels of circulating estrogens b. Reduced levels of vitamin C c. Diminished osteoclast activity d. Increased osteoblast activity 8. The non-pathologic loss of bone that occurs with aging is called ________________. a. Osteomyelitis b. Osteoporosis c. Osteopenia d. Osteomalacia 9. Two-thirds of the weight of bone is accounted for by ______________________. a. Crystals of calcium phosphate b. Collagen fibers c. Osteocytes d. Calcium carbonate 10. The process of bone growth at the epiphyseal cartilage is similar to __________. a. Intramembranous ossification b. Endochondral ossification c. The process of osteopenia d. The process of calcification

Answer key found on page 365.

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