A epimysium student response value 100 b perimysium c

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Unformatted text preview: e 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. 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: 16. 0.5/0.5 Value 0% 0% 0% 0% 0% 0% 0% 0% 100% 0% 0% Feedback relative refractory period The period during which the trigger region is effectively inhibited but not prevented from generating an action potential is the: Student Response A. absolute refractory period B. relative refractory period 0% 0% C. D. E. F. 0% 0% 0% 100% period of depolarization period of hyperpolarization Both answers 1 and 3 Both answers 2 and 4 Score: Value Feedback 0/0.5 17. graded potential A small local depolarization or hyperpolarization is known as: Student Response A. EPSP B. IPSP C. graded potential 0% 0% 0% D. all of the above E. #1 and #2 only. 100% 0% Score: Value Feedback 0/0.5 18. 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: 0.5/0.5 19. elastic connective tissue Value 0% 0% 0% 0% 100% Feedback The stroma of the lungs contains _____ which permits its expansion and recoil. Student Response A. areolar connective tissue B. elastic connective tissue Value 0% 100% C. fibrous connective tissue D. dense irregular connective tissue 0% 0% Score: Feedback 0.5/0.5 20. myogenic The type(s) of muscle which have myogenic cells: Student Response skeletal muscle cardiac muscle smooth muscle Both 1 and 2 E. Both 2 and 3 A. B. C. D. Score: Value 0% 0% 0% 0% 100% Feedback 0.5/0.5 1. central sulcus The _____ separates the mainly motor from the mainly sensory portions of the cerebrum. Student Response A. longitudinal sulcus B. transverse sulcus C. central sulcus D. lateral sulcus Score: Value Feedback 0% 0% 100% 0% 0.5/0.5 2. non-movable joints Joints which non-movable are usually classified structurally as _____ joints. Student Response Value A. synovial 0% B. cartilaginous C. fibrous 0% 100% Feedback Score: 0/0.5 3. sympathetic effect on glands Most glands are _____ by the sympathetic nervous system. Student Response A. activated B. inhibited Score: Value Feedback 0% 100% 0.5/0.5 4. Gates at Nodes In myelinated peripheral nerves the voltage gates are located only at the Nodes of Ranvier. A. True Student Response Value 100% B. False 0% Score: Feedback 0.5/0.5 6. substantia nigra The brain region involved when insufficient dopamine production produces Parkinson's disease: Student Response A. thalamus B. hypothalamus C. substantia nigra Value 0% 0% 100% D. basal nuclei E. pons 0% 0% Score: 0.5/0.5 8. Tissues vs. Characteristics 1 Fe...
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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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