J uptake of atp by the myosin heads k attachment of

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Unformatted text preview: 100% 0% D. dense regular tissue 0% Score: 0/0.5 Feedback 9. intracapsular ligaments The _____ are intracapsular ligaments which help to prevent anteroposterior displacement and twisting of the knee. Student Response A. medial and lateral collateral ligaments B. medial and lateral retinacula C. medial and lateral menisci D. anterior and posterior cruciate ligaments Score: Value Feedback 0% 0% 0% 100% 0.5/0.5 10. septum pellucidum The _____ covers the entrance to the lateral ventricle. Student Response A. septum pellucidum Value 100% B. fornix C. choroid plexus D. arbor vitae 0% 0% 0% Score: Feedback 0.5/0.5 11. Curare Curare acts as a muscle relaxant by competing with this process: Student Response Calcium ions enter the axon A. B. Calcium ions are pumped back into the sarcoplasmic reticulum. C. Acetylcholine is released into the synaptic cleft by exocytosis. D. Acetylcholine binding 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. Value 0% 0% 0% 100% 0% 0% 0% 0% Feedback Student Response 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: Value Feedback Value Feedback 0% 0% 0% 0/0.5 12. Ca++ binds to troponin C As soon as Ca++ ions are released into the sarcoplasm: Student Response A. Calcium ions enter the axon B. Calcium ions are pumped back into the 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. Opening of the chemically-gated sodium channels. G. Opening of the voltage-gated sodium channels. H. Opening of potassium channels. I. Binding of calcium ions to Troponin C. J. Uptake of ATP by the myosin heads. K. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. Score: 0% 0% 0% 0% 0% 0% 0% 0% 100% 0% 0% 0/0.5 13. inflammatory arthritis Which type of arthritis involves the greatest degree of inflammation and disability? Student Response rheumatoid arthritis A. Value 100% B. osteoarthritis C. bursitis D. gouty arhtritis 0% 0% 0% Score: 14. 0.5/0.5 Feedback stretch reflex When a stretch reflex is initiated it produces: Student Response A. Muscle contraction in the initiating muscle and reciprocal inhibition. B. Muscle contraction in the initiating muscle and reciprocal activation. C. Muscle relaxation in the initiating muscle and reciprocal inhibition. D. Muscle relaxation in the initiating muscle and reciprocal activation. Score: Value 100% Feedback 0% 0% 0% 0/0.5 15. meissner's corp which of the following is responsible for crude (non-descriminative) touch? Student Response A. Pacinian corpuscle B. Meissner's corpuscle 0% 100% C. histiocyte D. Langihans cell 0% 0% Score: Value Feedback 0.5/0.5 16. Adipose Which tissue is important in being an insulator and s...
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