Aphy 101 ivytech Exam 3 Ch 7-9 with Complete Solutions

Which of the following groups of bones, based on shape, is associated with an incorrect example? Long bones - forearm bones Flat bones - thigh bones Short bones - wrist and ankle bones Irregular bones - vertebrae - ANSWER-Flat bones - thigh bones The capitulum and trochlea are located - ANSWER-at the distal end of the humerus. Bones in the human body are non-living. True False - ANSWER-False The zygomatic bone is an example of a(n) - ANSWER-irregular bone. Osteoblasts are ______, whereas osteocytes are ______. - ANSWER-bone-forming cells; mature bone cells The pectoral girdle consists of two scapulae and two clavicles. True False - ANSWER-True The acetabulum is - ANSWER-a depression in the hip bone that receives the head of the femur. Compact bone has ________, whereas spongy bone has __________. - ANSWER-osteons; trabeculae The number of bones in most people is 206. True False - ANSWER-true The sternum is part of the - ANSWER-axial skeleton. At what age are nearly all bones completely ossified? - ANSWER-25 years The parietal bones meet each other along the sagittal suture. True False - ANSWER-True Which of the following is not found associated with spongy bone? - ANSWER-Osteons Which three bones fuse to form the hip bone? - ANSWER-the ilium, the ischium, and the pubis. Men and women begin to lose bone at the same rate by about age 70. True False - ANSWER-True All of the following are functions of bones except: to provide a set point for the control of blood pressure and body temperature. to protect certain internal organs. to store inorganic salts. to provide a source for red and white blood cells. - ANSWER-to provide a set point for the control of blood pressure and body temperature Endochondral ossification ______, whereas intramembranous ossification ______. - ANSWER-replaces hyaline cartilage; replaces undifferentiated connective tissue In a child, a vitamin D deficiency results in ______, whereas a vitamin A deficiency results in ______. - ANSWER-rickets; retardation of bone development Ribs that join the sternum directly by costal cartilages are called - ANSWER-true ribs. Synovial fluid moistens and lubricates the cartilaginous surfaces in a joint. True False - ANSWER-True A synovial membrane - ANSWER-secretes synovial fluid. Movement that brings the foot farther from the shin is a(n) - ANSWER-plantar flexion. A meniscus cushions articulating surfaces of bones. True False - ANSWER-True Which of the following movements could occur at the hip joint? Abduction and adduction Rotation Flexion and extension All of the above - ANSWER-All of the above