BIO201_MH_V3: Bones and Skeletal System

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Page path  BIO201_MH_V3  Topic 7: Bones and Skeletal System Started on Thursday, September 9, 2021, 5:04 AM State Finished Completed on Thursday, September 9, 2021, 5:34 AM Time taken 30 m ... ins 14 secs Grade 35.00 out of 35.00 (100%) Question 1 Correct 1.75 points out of 1.75 Flag question Question text Which type of bone is considered dense bone? Select one: a. spongy bone b. compact bone c. both spongy and compact Question 2 Correct 1.75 points out of 1.75 Flag question Question text A passageway connecting neighboring osteocytes in an osteon is a Select one: a. central canal. b. lamella. c. canaliculus. d. lacuna. e. osteocanal. Question 3 Correct 1.75 points out of 1.75 Flag question Question text What does structure "A" represent on the bone diagram? Select one: a. cancellous bone b. diaphysis c. epiphyseal lines d. articular cartilage e. epiphysis Question 4 Correct 1.75 points out of 1.75 Flag question Question text The proportion of collagen to hydroxyapatite in bone determines the Select one: a. thickness of the bone. b. length of the bone. c. strength of the bone. d. ability of the bone to heal. e. growth rate of bone. Question 5 Correct 1.75 points out of 1.75 Flag question Question text When blood calcium levels are low Select one: a. osteoclast activity increases. b. calcitonin secretion increases. c. calcium absorption is reduced. d. bones produce more bone tissue. e. osteoblast activity increases. Question 6 Correct 1.75 points out of 1.75 Flag question Question text The connective tissue sheath of cartilage is called the Select one: a. matrix. b. chondrocyte. c. ligamentous cord. d. lacuna. e. perichondrium. Question 7 Correct 1.75 points out of 1.75 Flag question Question text A connective tissue sheath around cartilage is the Select one: a. endosteum. b. perichondrium. c. periosteum. d. epiphyseal line. e. ligament. Question 8 Correct 1.75 points out of 1.75 Flag question Question text This is a diagram of calcium homeostasis. What process is represented by "E"? Select one: a. PTH promotes calcium release into blood by osteoclast. b. Calcium is removed from blood by osteoblasts. c. Vitamin D promotes calcium absorption. d. Calcium is lost in urine. e. PTH promotes calcium reabsorption from urine. Question 9 Correct 1.75 points out of 1.75 Flag question Question text Osteoclasts have projections that cause bone reabsorption called Select one: a. canaliculi. b. lacunae. c. ruffled borders. d. lamellae. e. crossroads. Question 10 Correct 1.75 points out of 1.75 Flag question Question text How does the respiratory system contribute to osteoporosis? Select one: a. Lack of exposure to sunlight reduces vitamin D production and decreases calcium absorption. b. Immune cells resist infections and release chemicals that promote tissue repair. c. Excessive smoking lowers estrogen levels, which increases bone loss. d. Calcium ions released from the bones are excreted. e. Decreased estrogen levels following menopause contribute to the disease. Question 11 Correct 1.75 points out of 1.75 Flag question Question text The pelvic girdle and lower limb are part of the Select one: a. axial skeleton. b. appendicular skeleton. Question 12 Correct 1.75 points out of 1.75 Flag question Question text Shannon, a boxer, is informed after a fight that she has a broken ethmoid bone, and that due to its location she may have difficulty with which of these special senses? Select one: a. equilibrium b. hearing c. vision d. smell Question 13 Correct 1.75 points out of 1.75 Flag question Question text Which of the following facial bones is correctly matched with its function? Select one: a. maxilla - possesses sockets for teeth b. vomer - forms the hard palate c. inferior nasal conchae - contain nasolacrimal canals d. zygomatic - provides attachment point for temporalis muscle e. temporal - is part of the orbit. Question 14 Correct 1.75 points out of 1.75 Flag question Question text Which of the following is a function of the vertebral column? Select one: a. It supports the weight of the body. b. It allows spinal nerves to exit the spinal cord. c. It serves as a passageway for the cranial nerves. d. It contains numerous foramens for the passageway of blood vessels. e. It protects the brain. Question 15 Correct 1.75 points out of 1.75 Flag question Question text The ligamentum nuchae Select one: a. protects the brain. b. is a part of the nose. c. moves the eye. d. supports the jaw. e. helps keep the head erect. Question 16 Correct 1.75 points out of 1.75 Flag question Question text What results from damage to annulus fibrosus and release of nucleus pulposus? Select one: a. lordosis b. kyphosis c. scoliosis d. spina bifida e. herniated disk Question 17 Correct 1.75 points out of 1.75 Flag question Question text The humerus articulates with the ulna at the Select one: a. medial epicondyle. b. lateral epicondyle. c. capitulum. d. radial fossa. e. trochlea. Question 18 Correct 1.75 points out of 1.75 Flag question Question text The upper limb and its girdle are attached rather loosely to the rest of the body. This arrangement Select one: a. results in a disjointed appearance. b. limits fine coordination of the hands. c. allows a wide range of movements. d. restricts the amount of weight the upper limb can support. e. results in a limited range of motion. Question 19 Correct 1.75 points out of 1.75 Flag question Question text The loss of height that occurs with aging is due to compression of the Select one: a. pelvic girdle. b. vertebral arches. c. vertebral bodies. d. vertebral foramen. e. intervertebral discs. Question 20 Correct 1.75 points out of 1.75 Flag question Question text A cleft palate results from incomplete development of the _______ Select one: a. palatine bones. b. lacrimal bones. c. mandible. d. vomer bone. e. frontal bone [Show More]

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