Acetylcholine binds to post synaptic receptors on the

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Unformatted text preview: ne sweat glands, (C) sebaceous glands, (D) synovial glands. 12. The _____ are glands which secrete a viscous fluid containing pheromones. (A) eccrine sweat glands, (B) apocrine sweat glands, (C) sebaceous glands, (D) synovial glands. 13. The skin cancer with the greatest danger of metastasis is: (A) basal cell carcinoma, (B) squamous cell carcinoma, (C) melanoma. 14. The _____ secrete an oil important in waterproofing the skin. (A) eccrine sweat glands, (B) apocrine sweat glands, (C) sebaceous glands, (D) synovial glands. 15. The _____ raise the hair follicles to produce “goosebumps” on the surface of the skin. (A) hair papillae, (B) vellus hairs, (C) arrector pili muscles, (D) merkel disks. The Skeletal System 1. The very last cranial region to harden is the: (A) anterior fontanel, (B) posterior fontanel, (C) wormian bones, (D) epiphyseal plate, (E) sella turcica. 2. The tiny canals which allow osteocytes to connect with one another: (A) lacunae, (B) Sharpey’s fibers, (C) Haversian canals, (D) canaliculus. 3. The unit of structure of cortical bone tissue is the: (A) lacuna, (B) osteon, (C) Haversian canal, (D) canaliculus. ____________________________________________________________________________________ 4 through 8 Matching: Use each answer once only. (A) macrophages, (B) osteoblasts, (C) osteoclasts, (D) osteocytes, (E) fibroblasts. 4. These cells perform phagocytosis in the early stages of bone repair. B 5. These cells produce new bone tissue.C 6. These cells are stimulated by parathryroid hormone.C 7. These cells aid in calcium homeostasis but neither break down nor produce bone tissue.C 8. These cells are important in producing an early bone callus.B ____________________________________________________________________________________ 9. The very last bone region of the following to harden is the: (A) anterior fontanel, (B) diaphysis, (C) distal epiphyseal plate, (D) proximal epiphyseal plate, (E) pubic symphysis. 10. The type of osteoporosis related to excess parathyroid hormone secretion is: (A) senile, (B) post-menopausal. 11. Lacunae are spaces enclosing the _____: (A) macrophages, (B) osteoblasts, (C) osteoclasts, (D) osteocytes, (E) fibroblasts. 12. Which of the following exhibits endochondral ossification? (A) the vertebrae, (B) the scapulae, (C) the ribs, (D) the cranial bones, (E) all of the above, (F) all except D. ____________________________________________________________________________________ Mechanism for Control of Adult Calcium Homeostasis Stimulus Sensor, Control Center and Effector Response Effects Questions 13 through 16 are based on the diagram at left. 13. What is the stimulus for this mechanism? (A) low blood calcium, (B) high blood calcium, (C) low rates of bone formation, (D) exercise. 14. The sensor, control center, and effector are all located in the: (A) thyroid gland, (B) parathyroid gland, (D) adrenal gland, (E) pituitary gland. 15. The response of the effector is to secrete: (A) calcitonin, (B) parathyroid hormone, (C) adren...
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