Thyroid Dysfunction

29 Questions | Total Attempts: 859

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Thyroid Dysfunction

Terri's content.   Once again, be advised there may be multiple right answers.   I know this makes it more difficult, but, will help with testing on the real test.


Questions and Answers
  • 1. 
    T3 and T4 are similar, but different produced in equal amounts?
    • A. 

      True

    • B. 

      False

  • 2. 
    T3 and T4 are produced in which type of cell?
    • A. 

      Follicle

    • B. 

      Squamous

    • C. 

      Epithelial

    • D. 

      Glandular

  • 3. 
    What does tyrosine combine with to make T3 and T4?
    • A. 

      Serum K

    • B. 

      Serum Na

    • C. 

      Serum Iodine

    • D. 

      Serum Phosphoruse

  • 4. 
    A nurse understand T3 and T4 affects when the nurse states:
    • A. 

      They help regulate heat.

    • B. 

      They help protein synthesis.

    • C. 

      They help metabolism

    • D. 

      They help break down liver glycogen.

    • E. 

      None of the above.

  • 5. 
    When T3 and T4 are low TRH is excreted from:
    • A. 

      Anterior pituitary

    • B. 

      Hypothalamus

    • C. 

      Thyroid gland

  • 6. 
    When T3 and T4 are low TSH is released from:
    • A. 

      Anterior pituitary

    • B. 

      Hypothalamus

    • C. 

      Thyroid gland

  • 7. 
    When T3 and T4 are low, T3 and T4 are released from:
    • A. 

      Anterior pituitary

    • B. 

      Hypothalamus

    • C. 

      Thyroid gland

  • 8. 
    What is the correct order of negative feedback loop for T3 and T4 production?
    • A. 

      T3/T4, TRH, TSH

    • B. 

      TRH, TSH, T3/T4

    • C. 

      TSH, TRH, T3/T4

  • 9. 
    A nurse understands calcitonin and parathormone when the nurse states:
    • A. 

      They work separately on calcium balance.

    • B. 

      They work together for blood clotting.

    • C. 

      They work together on bone growth.

    • D. 

      Calcitonin works on cellular function while parathormone works on neuromuscular function.

  • 10. 
    When serum Ca is over 11, calcitonin is released and has what affect?
    • A. 

      Increases Ca released from the bones.

    • B. 

      Increases renal release of Ca.

    • C. 

      Decreases amount of Ca in the blood.

    • D. 

      Increases glucose production.

  • 11. 
    Serum Ca under 9 will cause the release of parathormone which has what affect on the body?
    • A. 

      Increased renal and intestinal absorption of Ca.

    • B. 

      Decreased Ca in the blood

    • C. 

      Decreased glycogen production

    • D. 

      Increased Ca stored in bones.

  • 12. 
    A nurse gets back results on a pt who may have hypothyroidism.  What lab values might the nurse expect?
    • A. 

      Decreased T3 and Increased T4

    • B. 

      Increased TSH and Increased T3 and T4

    • C. 

      Increased TSH and decreased T3 and T4

    • D. 

      Increased T3 and Decreased T4

  • 13. 
    A nurse gets back results on a pt who may have hyperthyroidism.  What lab values might the nurse expect?
    • A. 

      Decreased T3 and Increased T4

    • B. 

      Decreased TSH and Increased T3 and T4

    • C. 

      Increased TSH and decreased T3 and T4

    • D. 

      Increased T3 and Decreased T4

  • 14. 
    A pt is given radioactive iodine for a thyroid scan.  How often are the tests taken?
    • A. 

      One hour after ingestion

    • B. 

      4-8-24 hours

    • C. 

      2-4-24 hours

    • D. 

      2-6-24 hours

  • 15. 
    A pt has taken radioactive iodine.  What will be a factor in determining hyperthyroidsim?
    • A. 

      Decreased uptake

    • B. 

      Increased uptake

    • C. 

      Increased serum Ca

    • D. 

      Decreased serum Ca

  • 16. 
    Thyrotoxicosis is understood when the nurse states:
    • A. 

      Hypermetabolism from decrease in T3 and T4.

    • B. 

      Hypometabolism from decrease in T3 and T4.

    • C. 

      Hypermetabolism from increase in T3 and T4.

    • D. 

      Hypometabolism from increase in T3 and T4.

  • 17. 
    • A. 

      Hypothyroidsim

    • B. 

      Hyperthyroidism

    • C. 

      Graves disease

  • 18. 
    Graves disease is classified as:
    • A. 

      A consistently under performing pituitary gland.

    • B. 

      A hyperactive hypothalamus

    • C. 

      An autoimmune disease

    • D. 

      A lack of follicles to release T3 and T4.

  • 19. 
    Michael comes into the ED.  His HR is 150 and has a fever of 104.5.  He is confused and anxious. What could be Michael's problem?
    • A. 

      Thyroid infection.

    • B. 

      Thyroid Fire

    • C. 

      Thyroid Storm

    • D. 

      Thyroid Shut Down.

  • 20. 
    PTU's main function is to:
    • A. 

      Rapidly inhibits the synthesis/release of T3 & T4

    • B. 

      Blocks conversion of T4 to T3

    • C. 

      Damages or destroys thyroid tissue

    • D. 

      Decreases HR, BP, CO2, and O2 requirements

  • 21. 
    Iodine's main function in therapy is to:
    • A. 

      Rapidly inhibits the synthesis/release of T3 & T4

    • B. 

      Blocks conversion of T4 to T3

    • C. 

      Damages or destroys thyroid tissue

    • D. 

      Decreases HR, BP, CO2, and O2 requirements

  • 22. 
    Radioactive Iodine's main function in therapy is to:
    • A. 

      Rapidly inhibits the synthesis/release of T3 & T4

    • B. 

      Blocks conversion of T4 to T3

    • C. 

      Damages or destroys thyroid tissue

    • D. 

      Decreases HR, BP, CO2, and O2 requirements

  • 23. 
    Propanol (inderal) main function in therapy is to:
    • A. 

      Rapidly inhibits the synthesis/release of T3 & T4

    • B. 

      Blocks conversion of T4 to T3

    • C. 

      Damages or destroys thyroid tissue

    • D. 

      Decreases HR, BP, CO2, and O2 requirements

  • 24. 
    When teaching a preop pt for a thrroidectomy, coughing is going to be encouraged to lessen the chances of blood clots forming.
    • A. 

      True

    • B. 

      False

  • 25. 
    Thyroxine (Synthroid) is:
    • A. 

      Synthetic steroid to encourage thyroid T3, T4 production.

    • B. 

      T3 replacement

    • C. 

      T4 replacement

    • D. 

      Increase metabolism and promotes tissue growth

  • 26. 
    Cretinism affects infants and young children how?
    • A. 

      Mental retardation

    • B. 

      Dwarfism

    • C. 

      Neurological insufficiency

    • D. 

      Anorexia

  • 27. 
    Treatment for cretinism is :
    • A. 

      Held until testing is done

    • B. 

      Initiated when TSH is up and T3 is down.

    • C. 

      Begun before confirmation testing is completed

    • D. 

      Treated only in older adults

  • 28. 
    Hashimoto's disease is when:
    • A. 

      Rapid degeneration of the thyroid

    • B. 

      Slow degeneration of the thyroid

    • C. 

      Excess thyroid tissue growth impair production of T3 and T4

    • D. 

      Damage to the thyroid through over medicated juvenile pts.

  • 29. 
    When a hypothyroid enlarges to compensate for lack of production, it is called:
    • A. 

      Hashimoto's disease

    • B. 

      Goiter

    • C. 

      Lumpy Thyroid

    • D. 

      Balloon Thyroid