Bio exam 4

  1. The cup shaped blind end of a nephon
    Glomerular capsule
  2. Originates from afferent arteriole
  3. reabsorption of glucose.
    proximal convoluted tubule
  4. target of ADH
    collecting duct
  5. Primary site of tubular secreation
    distal convoluted tubule
  6. located between proximal and distal convoluted tubules
    loop of the nephron
  7. Most mammals excreated nitrogenous wastes primarily in the form of ______, which is produced in the _____.
    urea, liver
  8. Into which part of the nephron does the filtarate flow from the flomerular capsule?
    Proixmal convoluted tubule
  9. When blood enters the flomerulus, blood pressure is sufficient to cause small moleucules, such as nutrients, water, salts and wastes to move from the flomerulus to the inside of the glomerular capsule.
    This process is called filtration.
  10. The water in which marine bony fish live is hypertonic to their bloos plasma, and they are prone to produce an isontonic urine.
  11. Which of the following would NOT excrete uric acid as the primary nitrogenous waste?
    adult amphibians
  12. The loop of the nephron consists of an ascending limb that allows the movement of water into the renal medulla and a descending limb that allows movement of salt into the renal medulla
  13. Which duct carries urine away from the unirnary bladder?
  14. The process by which nonfilterable wastes such as toxins and some antibitotics are added to the fluid in the nephron is knows as
    tubular secretion
  15. Which of the following is not an action of aldosterone?
    reabsorption of potassium
  16. The cranial and spinal nerves make up the ____
    peripheral nervous system.
  17. The nerves that control the activity of the muscle within the walls of blood vessels are part of the
    autonomic nervous system.
  18. Acetycholine is the neurotransmitter of which of the following?
    • Both B and C.
    • Parasymphatetic division of the autonomic nervous system.
    • Neuromuscular junction.
  19. Which part of the peripheral nervous system contains erves that control skeletal muscles
    Somatic system
  20. When an axon is at rest, which of the folliwng is true?
    the inside of the axon is more negative than the outside.
  21. The second argers part of the brain, which functions in muscle tone and coordination and maintenance of posture, is the ________
  22. Nodes of Ranvier exist where:
    one Schwann cell ends and the next begins
  23. The sensory of a spinal nerve includes a ganglion.
  24. Neurtransmitters always excite (stimulate the postsynaptic membrane
  25. The sympathetic system accelerates the heartbeat, increases the breathing rate, and speeding up intestinal botility.
  26. Realy for the most sensory information
    Thalamus (matching)
  27. Reflex centers for head movements in response to bisual and auditory stimuli
    midbrain (matching)
  28. Sensory ares for hearing and smelling?
    temporal love of cerebrum (matching)
  29. Primary motor complex
    frontal love of cerebrum (matching)
  30. Link between the nervous and endocrine system
    hypothalamus (matching)
  31. Vital centers for regulating heartbeat, breathing, and blood pressure-
    medulla oblongata. (matching)
  32. Which of the following can be classified as gray matter?
    cerebral cortext
  33. Which of the following have a calcium carbonate exoskeleton?
  34. Which of the following is not part of the axial skeleton
  35. Growth plates are zones of cartilage whtin the epophyses of long bones that are responsible for the growth of bones in length during fetal development and childhood.

    What type of cell inhabits these growth plates prior to ossification?
    None of the above.
  36. Growth plates are zones of cartilage whtin the epophyses of long bones that are responsible for the growth of bones in length during fetal development and childhood.

    Which of the following bones are found in pairs?
    Zygomatic and Temporal
  37. The foramen magnum is an opening in which bone?
  38. Pectoral girdle
  39. Part of the hip joint
    femur (matching)
  40. Prominent elbow bone
    ulna (matching)
  41. Promience on the lateral aspect of the ankle.
    fibula (matching)
  42. Which connective tissue structure attaches muscles to bones
  43. The plasma membrane of a muscle fiber is called the:
  44. Which of the following are needed for muscle contraction>
    Actin, myosin,

    (all of the above)
  45. The fermentation can only supply ATP for a short time because of the build-up of:
    lactic acid
  46. Which neurtansmitter is active at the neuromuscular junction to cause the muscle action potential.
  47. Which of the following does not shorten during muscle contaction
    A band
  48. The calcium storage of a muscle cell are part of the
    sarcoplasmic reticulum
  49. In a relaxed muscle, which of the folliwng directly obstructs the binding sites on the actin filaments?
  50. An animal with a brain and dosale hollow nerve cord is the
  51. If you add the numbers of cervial, thoraci, and lumbar verebra, the sum is equal to the numbers of hours in a day
  52. The bones of the ankle are called
  53. Which part of the saracomere includes a region where thick and thin filiments overlap
    A band
  54. The coxal bones (hipbones) are anchored to which of the following vertebral regions
  55. A neuromuscular junction consists of the dendrites of a neuron, a synaptic cleft, and the sarcolemma.
  56. Short answer:
    Name the specidic active transport proteiin of the plasma membrans that maintains cells resting emmbrane potential by constant regulation of the ion concentration on either side of the cell membran.
    Sodium Potassium pump (short answer)
  57. Name the process of shedding an exoskeleton that has become too smal.
    Molting (short answeR)
  58. Name the paired excretory organst hat are found in almost every segment of the earthwroms body.
  59. Name the tissue that caps the end of long bones.
  60. What bone cell would increase its activity in order to correct a low calcium concentration in the blood?
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Bio exam 4