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Unformatted text preview: only. 0% Score: 0/0.5 11. calcium absorption Increased calcium absorption is produced by: Student Response Value Feedback A. calcitonin 0% B. parathyroid hormone 0% C. estrogen 0% D. growth hormone 0% Student Response E. Vitamin D3 100% Score: 0.5/0.5 12. internal capsule Fibers of the _____ carry stimuli from the motor cortex to the corticospinal tracts. Student Response Value Feedback A. corona radiata 0% Student Response B. internal capsule 100% C. corpus callosum 0% D. fornix 0% Score: 0.5/0.5 13. 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 14. first, second, and third order neurons Which of the following tracts has first order, second order, and third order neurons? Student Response Value Feedback A. spinocerebellar tract 0% B. Fasciculus cuneatus and fasciculus gracilis 0% C. spinothalamic tract 0% Student Response D. both #2 and #3 100% Score: 0.5/0.5 15. intracapsular ligaments The _____ are intracapsular ligaments which help to prevent anteroposterior displacement and twisting of the knee. Student Response Value Feedback A. medial and lateral collateral ligaments 0% B. medial and lateral retinacula 0% C. medial and lateral menisci 0% Student Response D. anterior and posterior cruciate ligaments 100% Score: 0.5/0.5 16. 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 Value Feedback Student Response A. Calcium ions enter the axon 100% B. Calcium ions enter the sarcoplasm from the sarcoplasmic reticulum. 0% 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. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. 0% Score: 0.5/0.5 17. negative feedback In order for a regulatory process to be self controled it must utilize: Student Response Value Feedback Student Response A. Negative feedback 100% B. Positive feedback 0% C. External control through the nervous system. 0% D. Hormones 0% Score: 0.5/0.5 18. syndesmosis A syndesmosis is actually a small _____ which connects bones in a non-movable way. Student Response Value Feedback A. tendon 0% Student Response B. ligament 100% C. aponeurosis 0% D. retinaculum 0% Score: 0.5/0.5 19. Binding of the ACh to the post-synaptic receptors. What event causes opening of the chemically-gated Na+ channels? 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% Stu...
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This note was uploaded on 01/29/2013 for the course BIOL 239 taught by Professor Swan during the Fall '12 term at New Mexico.

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