Patho Exam 4 Thyroid Disease

20 Questions | Total Attempts: 299

SettingsSettingsSettings
Please wait...
Thyroid Disease Quizzes & Trivia

Questions and Answers
  • 1. 
    The appearance of cells in an active thyroid include....
    • A. 

      Large follicles and cuboidal lining

    • B. 

      Small follicles and cuboidal lining

    • C. 

      Small follicles and flat lining

    • D. 

      Large follicles and flat lining

  • 2. 
    The thyroid has one of the lowest rates of blood flow per gram of tissue of any organ.  
    • A. 

      True

    • B. 

      False

  • 3. 
    Thyroid follicular cells collect and transport what to the colloid?
    • A. 

      Iodide

    • B. 

      T4

    • C. 

      Iodine

    • D. 

      T3

  • 4. 
    T4 is composed of what types of molecules coupled together? 
    • A. 

      Two di-iodotyrosine

    • B. 

      4 mono-iodotyrosine

    • C. 

      One di-iodotyrosine and one mono-iodotyrosine

    • D. 

      I have no idea.

  • 5. 
    T3 and T4 are synthesized in the colloid by a process called 
  • 6. 
    The approximate half-life of T4 and T3 respectively are
    • A. 

      30 hours and 6-7 days

    • B. 

      8 hours and 2 days

    • C. 

      6-7 days and 30 hours

    • D. 

      2 days and 8 hours

  • 7. 
    Thyroid-stimulating hormone is secreted by 
    • A. 

      Anterior pituitary

    • B. 

      Posterior pituitary

    • C. 

      Hypothalamus

    • D. 

      Thyroid gland

  • 8. 
    TSH secretion is 
    • A. 

      Enhanced by stress

    • B. 

      Inhibited by stress

  • 9. 
    An abnormal enlargement of the thyroid gland is known as 
  • 10. 
    Normal TSH secretion exhibits a circardian pattern.  When does TSH secretion typically peak?
    • A. 

      Before PA school finals

    • B. 

      Afternoon and evening

    • C. 

      During the day

    • D. 

      After midnight

  • 11. 
    T3 induces increased production of what type of receptors?
    • A. 

      Beta-adrenergic

    • B. 

      G-protein coupled receptors

    • C. 

      Membrane receptors

  • 12. 
    TSH receptor autoantibody (TSH-R Ab) is 
    • A. 

      Antagonist

    • B. 

      Agonist

  • 13. 
    Germ cell tumors are a less common cause of hyperthyroidism.  These types of tumors contain small quantities of hCG.  
    • A. 

      True

    • B. 

      False

  • 14. 
    Trasient hyperthyroid preceds the development of 
    • A. 

      Fulminant hyperthyroidism

    • B. 

      Cytokine storm

    • C. 

      Hypothyroidism

    • D. 

      Death

  • 15. 
    Patients with Graves disesea typically suffer from what other types of disorders?
    • A. 

      Autoimmune

    • B. 

      Metabolic

    • C. 

      Hematologic

    • D. 

      Cancer

  • 16. 
    One possible mechanism for Graves disease/hyperthyroidism is an immune response against a viral antigen that shares homology with the TSH receptors.  The term for this situation would be
  • 17. 
    Patients with hyperthryoidism show an increase in osteoblastic and osteoclastic activity. 
    • A. 

      True

    • B. 

      False

  • 18. 
    In men with hyperthyroidism mean sperm counts are..
    • A. 

      Undetectable

    • B. 

      Normal

    • C. 

      Normal but with increased motility

    • D. 

      Normal but with decreased motility

  • 19. 
    The most common cause of hypothryoidism is 
    • A. 

      Hashimotos thyroiditis

    • B. 

      Graves Disease

    • C. 

      Thyroid storm

    • D. 

      Abnormal iodine metabolism

  • 20. 
    What test is the most sensitive for early hypothyroidism?
    • A. 

      Serum LH

    • B. 

      Serum TSH

    • C. 

      Serum FSH

    • D. 

      Serum TH

Back to Top Back to top