505 16 impulse reaches the axon terminus what is the

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: nts 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. D. collagen 0% E. elastin 0% Score: 0.5/0.5 titin 100% 14. sodium pump The sarcolemma is polarized because more _____ are pumped out than ___ are pumped in. Student Response Value Feedback Student Response A. Na+, and K+ 100% B. K+ and Na+ 0% C. Na+ and Ca+2 0% D. Ca+2 and Na+ 0% Score: 0.5/0.5 15. central sulcus The _____ separates the mainly motor from the mainly sensory portions of the cerebrum. Student Response Value Feedback A. longitudinal sulcus 0% B. transverse sulcus 0% Student Response C. central sulcus 100% D. lateral sulcus 0% Score: 0.5/0.5 16. 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 17. Impulse enters the T-Tubules What is the next thing which happens after an impulse enters the T tubules? Student Response Value Feedback A. Calcium ions enter the axon 0% Student Response B. Calcium ions enter the sarcoplasm from the sarcoplasmic reticulum. 100% C. Acetylcholine is released into the synaptic cleft by exocytosis. 0% 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. Score: Attachment of actin-myosin crossbridges and swiveling of the myosin heads. 0.5/0.5 0% 18. Broca's area Broca's area is located alongside the: Student Response Value Feedback A. Upper portion of the pre-central gyrus. 0% Student Response B. Lower portion of the pre-central gyrus. 100% C. Upper portion of the post-central gyrus. 0% D. Lower portion of the post-central gyrus. 0% Score: 0.5/0.5 19. The first cervical vertebra The first cervical vertebra is called the: Student Response Value Feedback A. occipitum 0% B. axis 0% Student Response C. atlas 100% D. manubrium 0% E. gladiolus 0% Score: 0.5/0.5 20. 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 chemic...
View Full Document

Ask a homework question - tutors are online