0 maximum possible score 10 1 haversian systems

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Unformatted text preview: ally-gated and voltage-gated ion channels D. being able to propagate an action potential 0% Score: 0.5/0.5 100% 0% View Attempt 30 of unlimited Title: Alternate Substitute Quiz Started: December 7, 2008 4:49 PM Submitted: December 7, 2008 4:53 PM Time spent: 00:03:45 Total score: 9.5/10 = 95% Total score adjusted by 0.0 Maximum possible score: 10 1. 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 2. Cartilage and bone Both cartilage and bone possess: Student Response Value Feedback Student Response A. lacunae 100% B. a basement membrane 0% C. canaliculi 0% D. internal blood vessels 0% Score: 0.5/0.5 3. medulla The centers which control the heart, respiratory muscle contraction, and vascular smooth muscle are located in the: Student Response Value Feedback Student Response A. medulla oblongata 100% B. pons varoli 0% C. pineal body 0% D. midbrain 0% E. corpora quadrigemia 0% Score: 0.5/0.5 4. Calcium homeostasis The primary hormone for calcium homeostasis is: Student Response Value Feedback A. calcitonin 0% Student Response B. parathyroid hormone C. estrogen 0% D. growth hormone 0% E. Vitamin D3 0% Score: 0.5/0.5 100% 5. 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 6. Voltage gated Na+ channels open. As a result of threshold depolarization at the neuromuscular junction, what happens on the adjacent sarcolemma? Student Response Value Feedback A. Calcium ions enter the axon 0% 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% Student Response G. Opening of the voltage-gated sodium channels. 100% 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 7. crossed extensor reflex The crossed extensor reflex consists of: Student Response Value Feedback A. A withdrawal reflex on one side of the body and a stretch reflex on the other side. 0% B. A withdrawal reflex on one side of the body and a tendon reflex on the other side. 0% Student Response C. A withdrawal reflex on one side of the body and extension on the other side. D. A withdrawal reflex on one side of the body and a flexor reflex on the other side. 0% Score: 0.5/0.5 100% 8. desmosomes Which type of cell junction is important in preventing cells from tearing apart from one another when subjected to stre...
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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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