Inversion 100 b eversion 0 c supination 0 d pronation

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Unformatted text preview: 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 2. Cartilage and bone Both cartilage and bone possess: Student Response Value Student Response A. lacunae B. a basement membrane C. canaliculi 0% D. internal blood vessels Score: 0.5/0.5 Feedback 100% 0% 0% 3. Adipose Which tissue is important in being an insulator and shock absorber for the organs? Student Response Value Feedback A. Elastic connective tissue. 0% B. Elastic cartilage. 0% Student Response C. Adipose tissue 100% D. Areolar tissue 0% Score: 0.5/0.5 4. Ca<sup>+2</sup> release Ca+2 is released into the sarcoplasm when an action potential stimulates the: Student Response Value Feedback Student Response A. sarcolemma 0% B. T-tubules 0% C. sarcoplasmic reticulum 100% D. myosin heads 0% Score: 0/0.5 5. contractile elements In the structural hierarcy of a muscle, each cell is filled with contractile structures called: 100% Student Response A. myofilaments B. myofibrils Student Response C. D. myosin 0% Score: 0/0.5 Value Feedback 0% 100% myofibers 0% 6. Breakdown of ACh by Achase Which event, required for continued function of the neuromuscular junction, is prevented by certain pesticide and nerve gas poisons? 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% D. Acetylcholine binds to post-synaptic receptors on the sarcolemma. 0% E. Na+ moves across the sarcolemma into the muscle cell. 0% Student Response F. Breakdown of ACh by AChase. 100% 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 7. fibrocartilage Which of the following forms the structure of the intervertebral disks? Student Response Value Feedback Student Response A. fibrocartilage 100% B. elastic cartilage 0% C. hyaline cartilage 0% D. elastic connective tissue 0% Score: 0.5/0.5 8. myosin head reset In order for myosin heads to detach from actin and reset, _____ must be available. Student Response Value Feedback A. Ca+2 0% Student Response B. ATP 100% C. ADP and Pi 0% D. ACh 0% Score: 0.5/0.5 9. Positive feedback A process which requires rapid response will usually utilize: Student Response Value Feedback A. Negative feedback 0% Student Response B. Positive feedback 100% C. Neural controls 0% D. Hormonal Controls 0% Score: 0.5/0.5 10. graded potential A small local depolarization or hyperpolarization is known as: Student Response Value Feedback A. EPSP 0% B. IPSP 0% Student Response C. graded potential 0% D. all of the above 100% E. #1 and #2...
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