PHYSIO TIM TEST 1 SPRING 2013

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PHYSIO TIM TEST 1 SPRING 2013
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2013-02-20 14:01:56
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PHYSIO TIM TEST SPRING 2013
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PHYSIO TIM TEST 1 SPRING 2013
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  1. Endocrine glands secret product into blood and do not have___
    DUCTS
  2. Which of the following are not types of tissue:
    GLANDULAR
  3. What is considered a type of connective tissue:
    blood, bone, tendon, fat
  4. What is negative feedback?
    When a variable moves away from a set point the body moves it back to the set point.
  5. Oxytocin causes an increased contraction which causes an increase of Oxytocin is an example of____ feed back
    Positive
  6. An amino acid is a monomer for___
    Proteins
  7. Phospholipids are considered
    Amphipathic
  8. Phosphate is hydrophilic fatty acid which means it is also____
    hydrophobic
  9. In 2 glucose molecules from together via dehydration synthesis there is local disaccharide and what other small molecule:
    H2O
  10. Pancreas secretes multiple protein hormones and enzymes.  Based only on this information what organelle would you expect to see a great abundance of pancreatic tissue? 
    ROUGH ER
  11. Which of the following bases is not considered a premadine: 
    Adpremadine
  12. Translation is MRNA being converted into a____
    PROTEIN
  13. Transcription is DNA being converted into
    RNA
  14. DNA being converted into protein is
    PRTEIN SYNTHESIS
  15. Which molecule used in the creation of protein recognizing codon recognizes the codon on MRNA and is also physically bound on the amino acids
    TRNA
  16. What is the breakdown of the molecule?
    CATABOLISM
  17. Anabolism is the synthesis of ___
    ATP
  18. Which of the following is not affecting an enzymes reaction rate.
    ALL
  19. Glycolysis takes place in the____
    CYTOSOL
  20. Which step in the metabolism of glucose takes ACH and produces electron barrier Co2 and ATP?
    KREBS CYCLE
  21. According to the lecture how many ATP are created in phosphorylation ____
    34
  22. … acid is broken down by beta oxidation into ACH which can then be plugged into the___
    KREBS CYCLE
  23. If you hold your breath as long as you can the result is a small increase in blood co2 concentration.  What would be the effect on blood ph and on the h+ concentration? 
    If co2 increases,  h+ increases and ph decreases
  24. If a molecule X moves across a membrane from low concentration of X to a low concentration of X it is what type of transport?
    ACTIVE TRANSPORT
  25. 2 solutions are placed in a beaker and separated by a membrane permeable to potassium and you let it set for 5 mins the concentration of h+ and potassium
    BE EQUAL
  26. Which is Isotonic to body fluids:
    9% NACL
  27. In the last 15 years or som there’re have been a handful of reported cases in which people died from drinking too much water.  How is this possible? 
    Too much water taken into the body causes the body to become hypotonic and causes the cell to swell.
  28. Pinocytosis
    drinking
  29. Phagocytosis
    eating
  30. t-cells with no extracellular signals involved Which of the following protein structure would you expect to find present in both of these cells?
    Conexons are part of the gap junctions and results no extracellular signal is gap junctions that allow communication
  31. eyrotheropoetean released from kidneys and travels through the blood and the receptors on the stem cells would be
    endocrine messaging aka hormonal
  32. dopamine epinephrine or norepinephrine is what type of chemical messenger
    neurotrasmitter   
  33. smooth muscle cell needs to send a signal to another cell it will create a fast nearly immediate response by using:
    GAP JUNCTIONS
  34. steroid hormones are lipophilic and will bind to receptors in 2 possible places
    nucleus or cytoplasm
  35. Activation of g protein coupled receptors can elicit multiple responses in the target cells can DO
    ALL
  36. Schwan cells are glial cells in the:
    PNS
  37. Normal neuron in the human body has the resting membrane potential of:
    -70
  38. Threshold is:
    -50 TO -55
  39. In terms of all cells hypo-polarized is
    -60
  40. Sensory signal goes through a(n)
    AFFERENT NEURON
  41. Motor signals go through what kind of neuron
    efferent neuron
  42. Sodium potassium & ATPase will pump ___
    against its concentration gradient into the cell the potassium
  43. What is the most influential ion in resting membrane potential
    potassium because of the linked channels.
  44. If you artificially add potassium into the extracellular environment this will:
    have a drastic effect.  It will result in a strong hypo-polarization and result in depolarization.
  45. If the following drugs are toxins it causes a single action potential:
    TTS
  46. The volume that would cause hyper polarization in a resting membrane:
    increasing the potassium leak channels. 
  47. Assuming normal physicaloigical conditions movement of sodium down its concentration gradient moves always goes
    outside to in
  48. Which ion channel is responsible for repolarization
    potassium voltage gated
  49. During a relative refractory period what is the main reason a stronger signal is required to enable the cell to reach threshold:
    Potassium is more permeable during the relative refractory period than at rest.
  50. What is the main determining factor discerning which ion will have the greatest influence
    Permeability
  51. What ion is most important during the depolarization:
    sodium due to the voltage gated channels
  52. Of the following steps of the excitatory synaptic transmission or form earliest to latest
    3. action potential on presynaptic neuron. 1. Opening the voltage gated channels binding the ligand
  53. Signaling the synapse can go in
    ONLY ONE DIRECTION
  54. What mechanism ensures ACH released from the synaptic cliff
    all of the above
  55. IPSP will result in which of the following
    opening of the sodium channel
  56. 4 Neurons all synapse on the neuron resulting in a Hyperpolarization membrane
    Inhibitory spatial summation.
  57. Which of the following is not considered a part of the autonomic nervous system
    Central
  58. When would the sympathetic most likely be activated?
    While fighting a bear
  59. When would the parasympathetic NS most likely be activated
    after a thanksgiving dinner
  60. What would not be the result of parasympathetic NS activation
    increased heart rate
  61. Where is the majority of the blood delivered in a parasympathetic response?
    Brain only
  62. Chromatin cells are in the adrenal medulla and release:
    Epinephrine
  63. Albuterol is a drug prescribed to patients who have asthma.  What receptor is activated? 
    BETA 2
  64. Which of the following is a result of beta one alnergic receptor:
    Beta one is increased heart rate
  65. What type of receptor is located on cell body of post ganglionic neurons in the parasympathetic and sympathetic receptors of the of the autonomic NS
    receptors
  66. Which of the following are classified as cholinergic receptor:
    nicotinic and muslerinic cholinergic
  67. After taking the drug inhibit the parasympathetic NS by blocking musolerinic receptors. The pt suffered from which of the following__________

    What side effects might they have?
    • Help with severe heart burn.
    • side effect would be increased heart rate.

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