Exercise Physiology Chapter 5

80 Questions

Settings
Please wait...
Exercise Quizzes & Trivia

Test basic knowledge


Questions and Answers
  • 1. 
    Steriod Hormones are lipid soluble?
    • A. 

      True

    • B. 

      False

  • 2. 
    Which is a steriod hormone?
    • A. 

      Dopamine

    • B. 

      Epinephrine

    • C. 

      Vitamin D

    • D. 

      Glucagon

  • 3. 
    Catecholamines are secreted by the Adrenal Cortex?
    • A. 

      True

    • B. 

      False

  • 4. 
    Adrenal Cortex secretes?
    • A. 

      Epinephrine

    • B. 

      Minerlocorticoids

    • C. 

      Glucocorticords

    • D. 

      A and B

    • E. 

      B and C

    • F. 

      None of the above

  • 5. 
    What the 3 factors that stimulate endocrine gland activity?
  • 6. 
    Non-Steriod homones are formed by amino acids?
    • A. 

      True

    • B. 

      False

  • 7. 
    GDP binds to the G Protein's beta subunt?
    • A. 

      True

    • B. 

      False

  • 8. 
    When GTP binds to the alpha subunit of the G protein, the G protein is inactivated
    • A. 

      True

    • B. 

      False

  • 9. 
    G protein is a membrane bound protein
    • A. 

      True

    • B. 

      False

  • 10. 
    What is the secondary messanger for the Adenyly cyclase mechanism?
    • A. 

      Protain Kinase A

    • B. 

      CAMP

    • C. 

      CA

    • D. 

      GLUT 4

  • 11. 
    What is the seconday messager for the Phospholipase C mechanism?
    • A. 

      IP3 / CA

    • B. 

      IP3

    • C. 

      CAMP

    • D. 

      5AMP

  • 12. 
    Activated adenylyl cyclase catalyzes the conversion of ATP to cAMP
    • A. 

      True

    • B. 

      False

  • 13. 
    What enzyme degrades cAMP to 5AMP
  • 14. 
    Insulin and Growth Hormone use secondary messengers
    • A. 

      True

    • B. 

      False

  • 15. 
    What mechanism does Insulin and GH use
  • 16. 
    In the Tyrosine mechanism glucose enters the cell via
    • A. 

      Signalling Protein

    • B. 

      Hydrogen Pump

    • C. 

      GLUT4

    • D. 

      Tyrosine Kinase receptor

  • 17. 
    Blood Hormone levels are determined by (check all that apply)
    • A. 

      Rate of Secretion

    • B. 

      Rate of Excretion

    • C. 

      Blood Pressure

    • D. 

      Quantity of Transport Proteins

  • 18. 
    What hormones need transport proteins
    • A. 

      Thyroid homones

    • B. 

      Eprinephrine

    • C. 

      Steriod homones

    • D. 

      Glucagon

    • E. 

      B and C

    • F. 

      A and C

  • 19. 
    Training at higher altitude may increase the number of red blood cells, this is an example of
    • A. 

      Hypertrophy

    • B. 

      Hyperplasia

    • C. 

      Hypoplasia

    • D. 

      Extracellular matrix

  • 20. 
    What hypothalamus hormone triggers the eventuall release of Cortisol
    • A. 

      ACTH

    • B. 

      TRH

    • C. 

      Insulin

    • D. 

      CRH

  • 21. 
    What is the target organ of GH?
    • A. 

      Liver

    • B. 

      Pancreas

    • C. 

      Kidney

    • D. 

      Anterior Adrenal

  • 22. 
    Growth hormone and Insulin have similiar actions?
    • A. 

      True

    • B. 

      False

  • 23. 
    Growth Hormone increases FFA oxidation and Gluconeogenesis in the liver?
    • A. 

      True

    • B. 

      False

  • 24. 
    Growth hormone will increase protein synthesis, muscle growth and strength
    • A. 

      True

    • B. 

      False

  • 25. 
    Muscle growth is?
    • A. 

      Hypoplacia

    • B. 

      Hypotrophy

    • C. 

      Hypertrophy

    • D. 

      Extracelluar matrix

  • 26. 
    T3 and T4 are Pancreas hormones
    • A. 

      True

    • B. 

      False

  • 27. 
    T3 has 3 iodines
    • A. 

      True

    • B. 

      False

  • 28. 
    The thyroid produces mainly T4
    • A. 

      True

    • B. 

      False

  • 29. 
    T3 is move active then T4
    • A. 

      True

    • B. 

      False

  • 30. 
    T4 and T3 both require transport proteins
    • A. 

      True

    • B. 

      False

  • 31. 
    What converts T4 to T3
    • A. 

      Deiodinase

    • B. 

      Iodine Kinase

    • C. 

      Phosphorylation

    • D. 

      T4pase

  • 32. 
    T3 and T4 are needed for?
    • A. 

      Normal GH function

    • B. 

      Lipid synthesis

    • C. 

      O2 consumption

    • D. 

      A and C

    • E. 

      All the above

  • 33. 
    The primary function of T4 and T3 is heat production
    • A. 

      True

    • B. 

      False

  • 34. 
    The elevation of plasma glucose and amino acids will increase insulin secretion?
    • A. 

      True

    • B. 

      False

  • 35. 
    Blood flow to the liver and kidney increase during exercise increasing the hormones to be metabloized
    • A. 

      True

    • B. 

      False

  • 36. 
    The rate of excretion of a hormone is an  indicator to the rate of secretion during exercise
    • A. 

      True

    • B. 

      False

  • 37. 
    Increase in the sympathetic nervous system decreases insulin
    • A. 

      True

    • B. 

      False

  • 38. 
    How many hormones does the hypothalamus secrete
    • A. 

      6

    • B. 

      7

    • C. 

      8

    • D. 

      9

  • 39. 
    How many hormones does the anterior pituitary secrete
    • A. 

      5

    • B. 

      6

    • C. 

      7

    • D. 

      9

  • 40. 
    Oxytocin and LDH are stored in the posterior pituitary
    • A. 

      True

    • B. 

      False

  • 41. 
    Excessive water retention and dilution of sodium may result in hyponatremia
    • A. 

      True

    • B. 

      False

  • 42. 
    Increasing blood volume will increase blood pressure
    • A. 

      True

    • B. 

      False

  • 43. 
    Constricting blood vessels and arteries will decrease bllod pressure
    • A. 

      True

    • B. 

      False

  • 44. 
    ADH can raise blood pressure by increasing blood volume
    • A. 

      True

    • B. 

      False

  • 45. 
    Epinephrine will increase the break down of protein to amino acids (protolysis)
    • A. 

      True

    • B. 

      False

  • 46. 
    Cortisol will promote the breakdown of protein to amino acids for energy
    • A. 

      True

    • B. 

      False

  • 47. 
    Parasympathetic response , ACh binds to which receptor 
    • A. 

      Beta1

    • B. 

      Alpha1

    • C. 

      M

    • D. 

      Beta2

  • 48. 
    If epinephrine/norepinephrine binds to the beta1 receptor the heart rate and force of contraction increases?
    • A. 

      True

    • B. 

      False

  • 49. 
    If E/Ne binds to the alpha receptor the arterioles and veins will dilate?
    • A. 

      True

    • B. 

      False

  • 50. 
    What is the effect of a alpha blocker?
    • A. 

      Enables arterioles and veins constriction

    • B. 

      Bronchioles dilate

    • C. 

      Prevents arterioles and viens constriction

    • D. 

      Blocks the increase of heart rate and force of contraction

  • 51. 
    There is no para-sympathetic nerve to the adrenal medulla?
    • A. 

      True

    • B. 

      False

  • 52. 
    Adrenal medulla secretes 70% epinephrine and 30% norepinephrine
    • A. 

      True

    • B. 

      False

  • 53. 
    What is a false statement about the actions of epinephrine
    • A. 

      Increases protein breakdown

    • B. 

      Increases glycogen breakdown

    • C. 

      Increases lipolysis

    • D. 

      Increases arterioles constriction via alpha receptor

  • 54. 
    What is a false statement about the stimuli to release epinephrine
    • A. 

      Exercise

    • B. 

      Mental Stress

    • C. 

      Hypoglycemia

    • D. 

      Para-sympathetic nerves

  • 55. 
    Aldrosterone is a glucocorticord?
    • A. 

      True

    • B. 

      False

  • 56. 
    Stimuli for Aldrosterone is high K+ in the blood?
    • A. 

      True

    • B. 

      False

  • 57. 
    Which is false about Cortisol?
    • A. 

      Increases gluconenogenesis

    • B. 

      Increases proteolysis

    • C. 

      Increases Insulin sensitivity

    • D. 

      Reduces inflammation

  • 58. 
    Hypersecretion of Cortisol can lead to all but one of the following
    • A. 

      Muscle breakdown

    • B. 

      Hypoglycemia

    • C. 

      Cushing disease

    • D. 

      Bone breakdown

  • 59. 
    At 60% VO2max Cortisol will
    • A. 

      Increase

    • B. 

      Decrease

    • C. 

      Remain at pre-exercise levels

    • D. 

      Depends on epinephrine plasma levels

  • 60. 
    Insullin is secreted by what cells of the kidney
    • A. 

      Alpha

    • B. 

      Beta

    • C. 

      Tumor

    • D. 

      It is not secreted

  • 61. 
    Glucagon is secreted by
    • A. 

      Alpha cells of the pancreas

    • B. 

      Beta cells of the pancreas

    • C. 

      Alpha cells of the liver

  • 62. 
    Insulin initiates anabolic reactions
    • A. 

      True

    • B. 

      False

  • 63. 
    Glucagon will decrease plasma fuel levels
    • A. 

      True

    • B. 

      False

  • 64. 
    Will Glucagon level make you fat
    • A. 

      Yes

    • B. 

      No

    • C. 

      Depends on the plasma level

  • 65. 
    Does a low ratio of Insulin and Glucagon mean
    • A. 

      Favor anabolic reaction

    • B. 

      Favor catabolic reation

  • 66. 
    What statement is true while exercising at 60% VO2max
    • A. 

      Epineephrine and Insulin will increase

    • B. 

      Norepinephrine will decrease

    • C. 

      Growth hormone will increase and insulin will decrease

    • D. 

      Growth hormone will increase and glucagon will decrease

  • 67. 
    Sweat rate may effect hormone concrentration levels by reducing blood volume
    • A. 

      True

    • B. 

      False

  • 68. 
    FFA mobilization is dependent on hormone sensitive lipase (HSL)
    • A. 

      True

    • B. 

      False

  • 69. 
    At the onset of exercise and for the duration of strenuous exercise what is the primary fuel
    • A. 

      ATP-PCr

    • B. 

      Muscle Triglcyrides

    • C. 

      Muscle Glycogen

    • D. 

      FFA

  • 70. 
    Glycogen breakdown to glucose in muscle is under the control of epinephrine-cyclic AMP and ?
    • A. 

      CA++ Calmodulin

    • B. 

      Lipase

    • C. 

      Glucagon

    • D. 

      Propranolol

    • E. 

      No other mechanism

  • 71. 
    Cortisol, Growth hormone and thyroxine are slow acting hormones
    • A. 

      True

    • B. 

      False

  • 72. 
    Without thyroid T3, epinephrine has little effect on the mobilization of free fatty acids from adipose tissue
    • A. 

      True

    • B. 

      False

  • 73. 
    Low levels of T3 and T4 would interfere with other hormones ability to mobilize fuel for exercise
    • A. 

      True

    • B. 

      False

  • 74. 
    Growth Hormone does the following (check all that apply)
    • A. 

      Decreases glucose uptake by tissue

    • B. 

      Enhances gluconeogensis in the liver

    • C. 

      Supports the actions of cortisol

    • D. 

      Preserves plasms glucose concentration

  • 75. 
    GH and cortisol provide a fast acting effect on carbohydrate and fat metabolism during exercise
    • A. 

      True

    • B. 

      False

  • 76. 
    When BP is challanged, during increased heat load, the primary catecholamine involved is
    • A. 

      Epinephrine

    • B. 

      Norepinephrine

    • C. 

      Cortisol

    • D. 

      Aldosterone

  • 77. 
    What is required to maintain plasma glucose levels (check all that apply)
    • A. 

      Insulin

    • B. 

      Glucagon

    • C. 

      ADH

  • 78. 
    Training causes a reduction in E, NE, glucagon and insulin responses to exercise
    • A. 

      True

    • B. 

      False

  • 79. 
    Under light exercise (25% VO2max) FFA is recycled to triglycerides
    • A. 

      True

    • B. 

      False

  • 80. 
    Under intense exercise FFA is recycled to Triglycerides by
    • A. 

      It is not recycled

    • B. 

      Alpha glycerol phosphate

    • C. 

      FFA kinase

    • D. 

      Beta oxidation