BIOL250 Week 12 Unit Exam 4

1. Question: Which type of contraction allows a muscle to produce tension without changing the angle of a skeleton joint all moving a load? 2. Question: Mooth muscle tissue can be found in all but which of the following places? 3. Question: All but which of the following are characteristics of aerobic respiration? 4. Question: Which structures of cardiac muscle allows the cells to contract in waves so the heart can both as a pump? 5. Question: Slow oxidative (SO) muscle fibres: 6. Question: Which of the following is not a type of muscle tissue? 7. Question: A muscle-forming stem cell is called a what? 8. Question: The functional unit of a muscle fibre is called what? 9. Question: Which property allows muscle tissue to pull on its attachment points and short and with force? 10. Question: In the Sliding Filament Model of Contraction, actin and myosin filaments slide part one another using what as an energy source? 11. Question: Where does a muscle fibre first respond to signal in from a motor neuron? 12. Question: Upon Skeletal muscle membrane depolarization, what structures are triggered to open? 13. Question: In muscular hypertrophy, what happens to muscle fibres? 14. Question: Think about the things that you do each day --- talking, walking, sitting, standing, and running --- all of these activities required movement of particular ____. 15. Question: Although a number of muscles may be involved in an action, the principal muscle involved in is called the prime mover, or __. A muscle with the opposite action of the prime movers is called an ___. 16. Question: Anatomists name the skeletal muscles according to a number of criteria, each of which describes the muscle in some way. These include naming it ____. 17. Question: The skeletal muscles are divided into ___ (muscles of the trunk and head) and ___ (muscles of the arms and legs) categories. 18. Question: Which of the following helps an agonist work? 19. Question: Which of the following terms would be used in the name of muscle that moves the leg away from the body? 20. Question: Which of the following statements is correct about what happens during flexion? 21. Question: Which is moved the least during muscle contraction? 22. Question: To pull on bone, that is, to change the angle at its synovial joint, which essentially moves the skeleton, a skeletal muscle must also be attached to a fixed part of the skeleton. The moveable end of the muscle that attaches to the bone being pulled is called the muscle's __, and the end of the muscle attached to a fixed (stabilized) bone is called the ____. 23. Question: The resting membrane potential is primarily due to the differences in concentrations of which ions? 24. Question: Once an action potential is initiated in a neurone, that polarization then is ____. 25. Question: Which of the following cavities contains a component of the central nervous system? 26. Question: The two general types of cells found in the nervous system are ____ and ____. 27. Question: If a thermoreceptor is sensitive to temperature sensations, what are chemoreceptor be sensitive to? 28. Question: The nervous system of our bodies is very, very complex. According to your author how should we work our way through this in order to understand its structure? 29. Question: Sensory neurons have nerve endings in the skin that can sense a stimulus. Which of the following are examples of sensory neurone in the skin? 30. Question: Which of the following is probably going to propagate an action potential fastest? 31. Question: Which part of a neuron transmits an electrical signal to our target cell? 32. Question: The Threshold membrane potential difference is ____. 33. Question: Which of the following voltages would most likely be measured during the relative refractory period? 34. Question: Which part of anuron transmits and electrical signal to a target cell? 35. Question: The nervous system is involved in receiving ___ about the environment around and then generating ____ to that information. 36. Question: Various chemical methods work together to maintain what is called the normal resting membrane potential difference between the inside and the outside of each neuron. This resting membrane potential is ____. 37. Question: The ___ nervous system is responsible for conscious perception and voluntary motor responses. The ___ nervous system is responsible for involuntary control of the body. 38. Question: A synapsis is the location where the axon of a neurone connect with another neuron or a muscle fiber. The following characteristic(s) are always present in chemical synapsis: 39. Question: What type of ganglion contains neurons that control homeostatic mechanisms of the body? 40. Question: The two vertebral arteries merge to form which artery? 41. Question: The phrenic nerve connects to the diaphragm at the base of the thoracic cavity. It is part of which plexus? 42. Question: What region of the diencephealon coordinates hemostasis? 43. Question: Which layer of the meninges surrounds and supports the sinuses that form the route through which blood drains from the CNS? 44. Question: Which non-nervous tissue develops from the neuroectoderm? 45. Question: All of the following are motor nerves EXCEPT? 46. Question: Which portion of the venticular system is found within the diencephalon? 47. Question: Which of these will eventually become the nervous tissue of the eye called the retina? 48. Question: The meninges protrude through the spinal column but nurves may not be involved and few symptoms are present. This describes which of the following? 49. Question: Where does CSF is filtered back into the blood for drainage from the nervous system. 50. Question: What is the name for a bundle of axons within a nerve?