Osteoclast 0 student response b osteoblast 100 c

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Unformatted text preview: nergic, nicotinic B. cholinergic, muscarinic C. adrenergic, alpha D. adrenergic, beta Score: Value 0% 0% 0% 100% Feedback Value Feedback 0.5/0.5 7. bone repair The first step in bone repair is the formation of a: Student Response A. external callus of bone B. bud of new blood vessels C. hematoma D. internal callus Score: 0% 0% 100% 0% 0.5/0.5 8. Impulse reaches the axon terminus What is the first thing that happens when an impulse reaches the axon terminus of a neuromuscular junction? Student Response Calcium ions enter the axon A. B. Calcium ions enter the sarcoplasm from the sarcoplasmic reticulum. C. Acetylcholine is released into the synaptic cleft by exocytosis. D. Acetylcholine binds to post-synaptic receptors on the sarcolemma. E. Na+ moves across the sarcolemma into the muscle cell. F. Opening of the chemically-gated sodium channels. G. Opening of the voltage-gated sodium channels. H. Opening of potassium channels. I. Binding of calcium ions to Troponin C. J. Uptake of ATP by the myosin heads. K. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. Score: 9. neural tube 0.5/0.5 Value 100% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% Feedback The _____ is derived from the canal within the primitive neural tube. Student Response A. ventricles of brain B. spinal canal C. subdural and subarachnoid spaces D. all of the above E. #1 and #2 only. Score: Value Feedback 0% 0% 0% 0% 100% 0.5/0.5 10. Curare Curare acts as a muscle relaxant by competing with this process: Student Response A. Calcium ions enter the axon B. Calcium ions are pumped back into the sarcoplasmic reticulum. C. Acetylcholine is released into the synaptic cleft by exocytosis. D. Acetylcholine binding 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: Value Feedback 0% 0% 0% 100% 0% 0% 0% 0% 0% 0% 0% 0.5/0.5 11. basal nuclei Repetitive movements of a skilled nature are facilitated in the: Student Response A. pre-motor cortex B. basal nuclei 0% 100% C. pre-central gyrus D. post-central gyrus E. pre-frontal lobes 0% 0% 0% Score: Value Feedback 0.5/0.5 12. series elastic elements The series elastic elements of a muscle are composed of the various connective tissues and proteins including the protein _____. Student Response A. myosin B. actin Value 0% 0% Feedback Student Response C. titin D. collagen E. elastin Score: Value 100% Feedback 0% 0% 0.5/0.5 13. receptive region criterion The criterion for an area being the neuron receptive region is: Student Response possessing chemically-gated ion channels A. Value 100% B. possessing voltage-gated ion channels C. having both chemically-gated and voltagegated ion channels D. being able to propagat...
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