5 central sulcus the separates the mainly motor from

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Unformatted text preview: % D. Acetylcholine binds to post-synaptic receptors on the sarcolemma. 0% E. Na+ moves across the sarcolemma into the muscle cell. 0% F. Opening of the chemically-gated sodium channels. 0% G. Opening of the voltage-gated sodium channels. 0% H. Opening of potassium channels. 0% I. Binding of calcium ions to Troponin C. 0% J. Uptake of ATP by the myosin heads. 0% K. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. 0% Score: 0.5/0.5 9. neural tube The _____ is derived from the canal within the primitive neural tube. Student Response Value Feedback A. ventricles of brain 0% B. spinal canal 0% C. subdural and subarachnoid spaces 0% D. all of the above 0% Student Response E. #1 and #2 only. 100% Score: 0.5/0.5 10. Curare Curare acts as a muscle relaxant by competing with this process: Student Response Value Feedback A. Calcium ions enter the axon 0% B. Calcium ions are pumped back into the sarcoplasmic reticulum. 0% C. Acetylcholine is released into the synaptic cleft by exocytosis. 0% Student Response D. Acetylcholine binding to post-synaptic receptors on the sarcolemma. 100% E. Na+ moves across the sarcolemma into the muscle cell. 0% F. Breakdown of ACh by AChase. 0% G. Opening of the voltage-gated sodium channels. 0% H. Opening of potassium channels. 0% I. The troponin-tropomyosin complex shifts, exposing the active sites on actin. 0% J. Uptake of ATP by the myosin heads. 0% K. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. 0% Score: 0.5/0.5 11. basal nuclei Repetitive movements of a skilled nature are facilitated in the: Student Response Value Feedback A. pre-motor cortex 0% Student Response B. basal nuclei 100% C. pre-central gyrus 0% D. post-central gyrus 0% E. pre-frontal lobes 0% Score: 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 Value Feedback A. myosin 0% B. actin 0% Student Response C. titin 100% D. collagen 0% E. elastin 0% Score: 0.5/0.5 13. receptive region criterion The criterion for an area being the neuron receptive region is: Student Response Value Feedback Student Response A. possessing chemically-gated ion channels B. possessing voltage-gated ion channels 0% C. having both chemically-gated and voltage-gated ion channels D. being able to propagate an action potential 0% Score: 0.5/0.5 100% 0% 14. articular cartilage damage The type of arthritis which begins with damage to articular cartilage from stress or injury is called: Student Response Value Feedback A. rheumatoid arthritis 0% Student Response B. osteoarthritis 100% C. bursitis 0% D. gouty arthritis 0% Score: 0.5/0.5 15. inhibition Prior sub-threshold hyperpolarization of a reflex pathway produces: Student Response Value Feedback A. facilitation 0% Student Response B. inhibition 100% C. divergence 0% D. convergence 0% Score: 0.5/0.5 18. stretch reflex When a stretch reflex is initiated it pro...
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