Endocrinology Questions, Part 2

50 questions | Total Attempts: 75

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Endocrinology Quizzes & Trivia

Based on USMLE notes


Questions and Answers
  • 1. 
    5 Functions of T3: 1) _____ bone growth 2) CNS _____ 3) Increases _____ receptors in the heart --> _____ CO, HR, SV, contractility 4) _____ basal metabolic rate 5) _____ glycogenolysis, gluconeogenesis, lipolysis
  • 2. 
    Episodic hyperadrenergic symptoms of pheochromocytoma: (Hint - 5P's) 1) 2) 3) 4) 5)
  • 3. 
    Pheochromocytoma Rule of 10's: 10% _____ 10% _____ 10% _____ 10% _____ 10% _____ 10% _____
  • 4. 
    Hypothyroidism signs/symptoms: 1) ____ intolerance 2) Weight _____ 3) _____-activity 4) Constipation 5) _____ reflexes 6) _____ myxedema 7) _____ skin, _____ hair 8) _____-cardia, dyspnea on exertion
  • 5. 
    Hyperthyroidism signs/symptoms: 1) ____ intolerance 2) Weight _____ 3) _____-activity 4) Diarrhea 5) _____ reflexes 6) _____ myxedema 7) _____ skin, _____ hair 8) Chest pain, palpitations, arrhythmias
  • 6. 
    Hypothyroidism lab findings: 1) _____ TSH 2) _____ total T4 3) _____ free T4 4) _____ T3 uptake
  • 7. 
    Hyperthyroidism lab findings: 1) _____ TSH 2) _____ total T4 3) _____ free T4 4) _____ T3 uptake
  • 8. 
    DKA labs: 1) _____-glycemia 2) _____ HCO3- 3) _____ serum ketones 4) Leukocytosis 5) _____-kalemia
  • 9. 
    DKA treatment: 1) 2) 3) 4)
  • 10. 
    Vitamin D, estrogen, testosterone, cortisol, aldosterone, and progesterone signal via...
    • A. 

      CAMP

    • B. 

      CGMP

    • C. 

      IP3

    • D. 

      Cytosolic steroid receptor

    • E. 

      Nuclear steroid receptor

    • F. 

      Tyrosine (MAP) kinase pathway

    • G. 

      JAK/STAT pathway

  • 11. 
    T3 and T4 signal via...
    • A. 

      CAMP

    • B. 

      CGMP

    • C. 

      IP3

    • D. 

      Cytosolic steroid receptor

    • E. 

      Nuclear steroid receptor

    • F. 

      Tyrosine (MAP) kinase pathway

    • G. 

      JAK/STAT pathway

  • 12. 
    Insulin and IGF-1 signal via...
    • A. 

      CAMP

    • B. 

      CGMP

    • C. 

      IP3

    • D. 

      Cytosolic steroid receptor

    • E. 

      Nuclear steroid receptor

    • F. 

      Tyrosine (MAP) kinase pathway

    • G. 

      JAK/STAT pathway

  • 13. 
    GnRH, oxytocin, ADH, and TRH signal via...
    • A. 

      CAMP

    • B. 

      CGMP

    • C. 

      IP3

    • D. 

      Cytosolic steroid receptor

    • E. 

      Nuclear steroid receptor

    • F. 

      Tyrosine (MAP) kinase pathway

    • G. 

      JAK/STAT pathway

  • 14. 
    GH and prolactin signal via...
    • A. 

      CAMP

    • B. 

      CGMP

    • C. 

      IP3

    • D. 

      Cytosolic steroid receptor

    • E. 

      Nuclear steroid receptor

    • F. 

      Tyrosine (MAP) kinase pathway

    • G. 

      JAK/STAT pathway

  • 15. 
    Calcitonin has the _____ (same/opposite) effects as PTH.
  • 16. 
    In men, _____ (high/low) levels of SHBG cause gynecomastia.
  • 17. 
    In women, _____ (high/low) levels of SHBG cause hirsutism.
  • 18. 
    TBG levels are _____ in hepatic failure.
    • A. 

      Reduced

    • B. 

      Higher

    • C. 

      The same

  • 19. 
    TBG levels are _____ in pregnancy.
    • A. 

      Lower

    • B. 

      Higher

    • C. 

      The same

  • 20. 
    T3 binds receptors with _____ affinity as T4.
    • A. 

      The same

    • B. 

      Higher

    • C. 

      Lower

  • 21. 
    T4 is converted to T3 by _____.
    • A. 

      TBG

    • B. 

      Thyroglobulin

    • C. 

      Peripheral tissue

  • 22. 
    The most common cause of non-iatrogenic Cushing's syndrome is _____.
  • 23. 
    The only non-iatrogenic "ACTH independent" cause of Cushing's syndrome is _____.
    • A. 

      Pituitary adenoma

    • B. 

      Adrenal neoplasia

    • C. 

      Ectopic ACTH secreting tumor

  • 24. 
    HTN, moon facies, pendulous abdomen, buffalo hump , hyperglycemia, purple striae, osteoporosis, amenorrhea, immune suppression are clinical findings of _____.
    • A. 

      Addison's

    • B. 

      Cushing's

    • C. 

      Conn's

    • D. 

      Waterhouse-Friderichsen syndrome

  • 25. 
    Conn's syndrome aka _____ _____ causes HTN, hypokalemia, metabolic alkalosis, and low plasma/renin. (Hint: the first word is either primary or secondary)
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