E na moves across the sarcolemma into the muscle cell

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Unformatted text preview: olus 20.0% Score: 0.5/0.5 Value 20.0% 0% 18. non-movable joints Joints which non-movable are usually classified structurally as _____ joints. Student Response Value Feedback A. synovial 0% B. cartilaginous 0% Student Response C. fibrous 100% Score: 0.5/0.5 19. 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 20. hypothalamus The brain center which controls much of the endocrine and sympathetic systems is the: Student Response Value Feedback A. thalamus 0% Student Response B. hypothalamus 100% C. substantia nigra 0% D. basal nuclei 0% E. pons 0% Score: 0.5/0.5 View Attempt 29 of unlimited Title: Alternate Substitute Quiz Started: December 7, 2008 4:46 PM Submitted: December 7, 2008 4:49 PM Time spent: 00:02:57 Total score: 9.5/10 = 95% Total score adjusted by 0.0 Maximum possible score: 10 1. eccrine sweat glands Sympathetic stimulation of the eccrine sweat glands is through _____ fibers. Student Response Value Feedback A. cholinergic, nicotinic 0% B. cholinergic, muscarinic 100% C. adrenergic, alpha 0% D. adrenergic, beta 0% Score: 0/0.5 2. Shifting of the troponin-tropomyosin complex. As a direct result of Ca+2 binding to troponin: Student Response Value Feedback A. Calcium ions enter the axon 0% B. Calcium ions are pumped back into the sarcoplasmic reticulum. C. Acetylcholine is released into the synaptic cleft by exocytosis. 0% 0% D. Acetylcholine binds to post-synaptic receptors on the sarcolemma. 0% 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% Student Response I. The troponin-tropomyosin complex shifts, exposing the active sites on actin. 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 3. connective sheath The _____ surrounds a muscle and fuses with a tendon or aponeurosis. Student Response Value Feedback Student Response A. epimysium 100% B. perimysium 0% C. endomysium 0% D. retinaculum 0% Score: 0.5/0.5 4. synovial sack A sack made of synovial membrane which lies between tendons, ligaments, and nearby bones is called: Student Response Value Feedback Student Response A. a bursa 100% B. a retinaculum 0% C. a syndesmosis 0% D. a synchondrosis 0% Score: 0.5/0.5 5. frequency summation High frequency stimuli result from: Student Response Value Feedback A. A stimulus which is broadly spread on the body's soma. 0% Student Response B. A stimulus of high intensity on the body's soma. 100% C. Many neurons functioning at the same time. 0% D. Both #1 and #3. 0% Score: 0.5/0.5 6. Junctions Match the cell junctions and other structures with their descriptions. Junctions may be used more than once....
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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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