D a withdrawal reflex on one side of the body and 0 a

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Unformatted text preview: ine binds to post-synaptic receptors on the sarcolemma. E. Na+ moves across the sarcolemma into the muscle cell. F. Breakdown of ACh by AChase. G. Opening of the voltage-gated sodium channels. H. Opening of potassium channels. I. The troponin-tropomyosin complex shifts, exposing the active sites on actin. J. Uptake of ATP by the myosin heads. K. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. Score: 9. Value Feedback 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 100% 0.5/0.5 cell hierarchy The cell derived from osteoprogenitor cels which produces ossification is the: Student Response Value A. osteoclast 0% B. osteoblast C. osteocyte D. mesenchyme cell 100% 0% 0% Score: 0/0.5 Feedback 11. internal capsule Fibers of the _____ carry stimuli from the motor cortex to the corticospinal tracts. Student Response A. corona radiata B. internal capsule Value 0% 100% C. corpus callosum D. fornix 0% 0% Score: 12. Feedback 0.5/0.5 Descending tract A tract with the name vestibulospinal would be: Student Response A. ascending and sensory B. ascending and motor C. descending and sensory D. descending and motor Score: 13. Value 0% 0% 0% 100% Feedback Value 0% 0% 0% 0% 100% Feedback 0.5/0.5 osteoclasts Osteoclasts are derived at some point from: Student Response mesenchyme cells monocytes osteoprogenitor cells all of the above E. Answers 1 and 2 only. A. B. C. D. Score: 14. 0.5/0.5 inhibition of heart The fibers which control the heart at all times in the absence of stress are: Student Response A. cholinergic, nicotinic B. cholinergic, muscarinic C. adrenergic, alpha Value 0% 100% 0% D. adrenergic, beta 0% Score: 15. Feedback 0/0.5 The first location of ossification in long bones The first location of ossification in long bones is the: Student Response A. diaphysis bone collar Value 100% Feedback Student Response epiphyseal plate B. 0% C. proximal epiphysis D. distal epiphysis 0% 0% Score: 18. Value Feedback Value Feedback 0/0.5 pupilary dilation The receptors which produce pupilary dilation are: Student Response A. cholinergic, nicotinic B. cholinergic, muscarinic 0% 0% C. adrenergic, alpha D. adrenergic, beta 100% 0% Score: 19. 0/0.5 disk structure The intervertebral disks are which type of joint classified according to structure? Student Response A. fibrous B. cartilaginous C. synovial Score: 20. Value Feedback 0% 100% 0% 0/0.5 Calcium homeostasis The primary hormone for calcium homeostasis is: Student Response A. calcitonin B. parathyroid hormone Value 0% 100% C. estrogen D. growth hormone E. Vitamin D3 0% 0% 0% Score: 0.5/0.5 1 In-Class Quiz Neurology Which of the following cells produces the myelin sheath in the CNS? 1)Schwann cells 2)Oligodendrocytes Feedback 3)Ependymal cells 4)Astrocytes Answer 2 Which of the following cells is important in nerve fiber regeneration? 1)Schwann cells 2)Oligodendrocytes 3)Ependymal cells 4)Astrocytes Answer 1 A structure in the CNS that is analogous with a nerve? 1)Ganglion 2)Center 3)Tract 4)Fasciculus Answer 3 Which tract carries pain, temperature, touch and pressure? 1)Spinothalamic 2)Spinocerebellar 3)Fasciculus grac...
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