Thyroid Medications Quiz
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Questions and Answers

What is the starting dose for Armour Thyroid?

  • 25 mg daily
  • 30 mg daily (correct)
  • 15 mg daily
  • 50 mg daily

    • Which symptoms should a patient immediately report while taking Cytomel (Liothyronine)?

  • Chest pain and palpitations (correct)
  • Dry skin and hair loss
  • Fatigue and weight gain
  • Constipation and cold intolerance

    • During pregnancy, if a woman is on levothyroxine, how much of an increase in dosage may be needed to maintain euthyroid status?

  • 10-20% increase
  • 5-10% increase
  • No increase needed
  • 30-50% increase (correct)

    • What is the recommended timing for taking T4 in relation to iron, calcium, antacids, and magnesium?

    <p>Take T4 at least 4 hours apart</p> Signup and view all the answers

    What are the potential effects of maternal hypothyroidism on pregnancy?

    <p>Miscarriage and impaired cognitive development in the fetus</p> Signup and view all the answers

    Which of the following signs and symptoms is NOT commonly associated with hyperthyroidism?

    <p>Cold intolerance</p> Signup and view all the answers

    In Graves' disease, which antibodies stimulate the TSH receptors in the thyroid gland to produce and secrete thyroid hormones?

    <p>Thyrotropin receptor antibodies (TRAb)</p> Signup and view all the answers

    Which laboratory parameter is typically found in a patient with hyperthyroidism?

    <p>Decreased TSH, decreased FT4</p> Signup and view all the answers

    What physical finding is characteristic of hyperthyroidism?

    <p>Proptosis (bulging of the eyes)</p> Signup and view all the answers

    Which of the following is NOT a potential symptom of hyperthyroidism?

    <p>Constipation</p> Signup and view all the answers

    Which enzyme attacked by antibodies in Hashimoto's Disease is essential for producing thyroid hormones?

    <p>Thyroid peroxidase (TPO)</p> Signup and view all the answers

    Which symptom is NOT commonly associated with hypothyroidism?

    <p>Weight loss with increased appetite</p> Signup and view all the answers

    Which hormone is usually decreased in primary hypothyroidism?

    <p>Free T4 (FT4)</p> Signup and view all the answers

    What is one of the goals of Thyroid Replacement Therapy (TRT)?

    <p>Normalize labs</p> Signup and view all the answers

    At what TSH level is treatment typically recommended for hypothyroidism?

    <p>&gt; 11 mIU/L</p> Signup and view all the answers

    What is the main function of the thyroid gland?

    <p>Uses iodine to create thyroid hormones</p> Signup and view all the answers

    In primary hypothyroidism, what happens to TSH levels?

    <p>Increase</p> Signup and view all the answers

    What does TRH do in the endocrine system?

    <p>Instructs the thyroid gland to secrete THs</p> Signup and view all the answers

    What is the role of TSH in hyperthyroidism?

    <p>Decreases to undetectable levels</p> Signup and view all the answers

    How does the hypothalamus respond to persistently low thyroid hormones?

    <p>Decreases TRH secretion</p> Signup and view all the answers

    What is the recommended monitoring frequency of TSH levels once they are within normal limits for a patient on thyroid hormone replacement therapy?

    <p>1-2 times per year</p> Signup and view all the answers

    Which of the following is NOT a factor affecting gastrointestinal absorption of levothyroxine?

    <p>Vitamin C supplements</p> Signup and view all the answers

    According to the American Thyroid Association's guidelines, how long should treatment for hypothyroidism be continued?

    <p>Life-long</p> Signup and view all the answers

    What is the recommended supplementation of thyroid hormone for a pregnant woman on thyroid hormone replacement therapy?

    <p>2 extra tablets per week</p> Signup and view all the answers

    Which of the following is NOT a sign/symptom of hyperthyroidism?

    <p>Fatigue</p> Signup and view all the answers

    Which thyroid hormone is solely produced by the thyroid gland and is significantly less biologically active than another thyroid hormone?

    <p>T4 (Thyroxine)</p> Signup and view all the answers

    What percentage of T3 is protein-bound and how does it bind to proteins compared to T4?

    <p>99%, binds more tightly</p> Signup and view all the answers

    What is the half-life of T3 in terms of days?

    <p>1 day</p> Signup and view all the answers

    In thyroid function tests, what does FT4 stand for?

    <p>Free T4</p> Signup and view all the answers

    In hypothyroidism, which of the following values is typically observed in Free T4 (FT4) levels?

    <p>Decreased</p> Signup and view all the answers

    What does a higher-than-normal TSH level usually indicate in thyroid function tests?

    <p>Hypothyroidism</p> Signup and view all the answers

    Which thyroid hormone exhibits greater biological activity compared to another thyroid hormone?

    <p>T3 (Triiodothyronine)</p> Signup and view all the answers

    What happens to TSH levels in cases of hyperthyroidism?

    <p>Decrease</p> Signup and view all the answers

    'Thyroid stimulating hormone' is mainly secreted by which gland?

    <p>Pituitary gland</p> Signup and view all the answers

    What might a high level of FT4 in TFTs indicate?

    <p>Hyperthyroidism</p> Signup and view all the answers

    Which of the following best describes the endocrine physiology of the thyroid gland in regards to feedback regulation?

    <p>The hypothalamus secretes thyrotropin-releasing hormone (TRH) to stimulate the anterior pituitary to release thyroid-stimulating hormone (TSH), which in turn stimulates the thyroid gland to increase the secretion of thyroid hormones.</p> Signup and view all the answers

    Which of the following medications would be most appropriate for a patient with Graves' disease, a form of hyperthyroidism, who is pregnant?

    <p>Propylthiouracil (PTU)</p> Signup and view all the answers

    Which of the following factors can interfere with the absorption of levothyroxine?

    <p>All of the above</p> Signup and view all the answers

    Which of the following is the most common endocrine disorder seen in the postpartum period?

    <p>Postpartum thyroiditis</p> Signup and view all the answers

    Which of the following is the appropriate TSH reference range for a pregnant woman in her third trimester?

    <p>0.1 – 2.5 mIU/L</p> Signup and view all the answers

    Thyroid gland secretes more T4 than T3 into circulation

    <p>True</p> Signup and view all the answers

    T4 is more biologically active than T3

    <p>False</p> Signup and view all the answers

    T4 has a half-life of 1 day

    <p>False</p> Signup and view all the answers

    In hypothyroidism, Free T4 levels are typically above the normal range

    <p>False</p> Signup and view all the answers

    TSH levels are decreased in cases of hyperthyroidism

    <p>True</p> Signup and view all the answers

    Levothyroxine should be administered once-daily 30-60 minutes after breakfast.

    <p>False</p> Signup and view all the answers

    Hashimoto's Disease is characterized by the overproduction of thyroid hormones.

    <p>False</p> Signup and view all the answers

    A patient with hypothyroidism is likely to present with heat intolerance and excessive sweating.

    <p>False</p> Signup and view all the answers

    Thyroid function tests typically include measurement of T3, T4, and T5 levels.

    <p>False</p> Signup and view all the answers

    Diagnosis of hypothyroidism is solely based on symptoms reported by the patient.

    <p>False</p> Signup and view all the answers

    Hypothyroidism can be diagnosed within 2-3 weeks after starting treatment.

    <p>False</p> Signup and view all the answers

    Patients with hypothyroidism should only monitor TSH levels once a year after treatment initiation.

    <p>False</p> Signup and view all the answers

    Signs and symptoms of hyperthyroidism can occur if a patient with hypothyroidism takes too much thyroid hormone replacement.

    <p>True</p> Signup and view all the answers

    Levothyroxine should always be taken with food to enhance absorption.

    <p>False</p> Signup and view all the answers

    Pregnant women on thyroid hormone replacement therapy may need to increase their dosage to maintain euthyroid status.

    <p>True</p> Signup and view all the answers

    Hashimoto's Disease is characterized by an overproduction of thyroid hormones.

    <p>False</p> Signup and view all the answers

    The diagnosis of hypothyroidism is based on elevated levels of TSH and low levels of FT4 in thyroid function tests.

    <p>True</p> Signup and view all the answers

    Hypothyroidism is defined as an overactive thyroid gland that produces excess thyroid hormones.

    <p>False</p> Signup and view all the answers

    A common sign of hypothyroidism is increased sweating.

    <p>False</p> Signup and view all the answers

    In thyroid function tests, a low TSH level along with high FT4 levels usually indicates hypothyroidism.

    <p>False</p> Signup and view all the answers

    Cytomel (Liothyronine) is a synthetic T4 preparation.

    <p>False</p> Signup and view all the answers

    Patients should immediately report chest pain, palpitations, excessive sweating, heat intolerance, and nervousness while taking Armour Thyroid.

    <p>False</p> Signup and view all the answers

    Taking T4 at the same time as iron, calcium, antacids, or magnesium will enhance the absorption of T4.

    <p>False</p> Signup and view all the answers

    In hypothyroidism and pregnancy, maternal thyroid hormones provide the fetus with thyroid hormones only for the first 12 weeks of gestation.

    <p>False</p> Signup and view all the answers

    Levothyroxine is the drug of choice during pregnancy for hypothyroidism.

    <p>True</p> Signup and view all the answers

    Hashimoto's Disease is characterized by the thyroid gland secreting excessive amounts of thyroid hormones.

    <p>False</p> Signup and view all the answers

    TSH levels are increased in cases of hypothyroidism.

    <p>True</p> Signup and view all the answers

    A patient with hypothyroidism might experience symptoms such as weight gain, fatigue, and constipation.

    <p>True</p> Signup and view all the answers

    In thyroid function tests, FT3 stands for Free Thyroxine.

    <p>False</p> Signup and view all the answers

    The diagnosis of hypothyroidism is solely based on symptoms and does not require any laboratory testing.

    <p>False</p> Signup and view all the answers

    Hashimoto's Disease is characterized by antibodies attacking the thyroid gland, including the thyroid peroxidase (TPO) enzyme.

    <p>True</p> Signup and view all the answers

    Primary hypothyroidism is characterized by increased activity of the thyroid gland with compensatory decrease in TSH levels.

    <p>False</p> Signup and view all the answers

    Symptoms of hypothyroidism include heat intolerance, excessive sweating, and weight loss.

    <p>False</p> Signup and view all the answers

    Diagnosis of hypothyroidism can be based solely on symptoms reported by the patient.

    <p>False</p> Signup and view all the answers

    In hypothyroidism, Free T4 (FT4) levels are typically above the normal range.

    <p>False</p> Signup and view all the answers

    Thyroid function tests usually include measurement of T3, T4, and T5 levels.

    <p>False</p> Signup and view all the answers

    Elevated TSH levels are indicative of hyperthyroidism.

    <p>False</p> Signup and view all the answers

    Hashimoto's Disease results in overproduction of thyroid hormones.

    <p>False</p> Signup and view all the answers

    One of the goals of Thyroid Replacement Therapy (TRT) is to prevent neurologic deficits in newborns and children.

    <p>True</p> Signup and view all the answers

    Symptoms of hypothyroidism include excessive sweating, muscle aches/stiffness, and heat intolerance.

    <p>False</p> Signup and view all the answers

    T4 is solely produced by the thyroid gland.

    <p>True</p> Signup and view all the answers

    T3 is significantly less biologically active than T4.

    <p>False</p> Signup and view all the answers

    Hashimoto's Disease is characterized by the overproduction of thyroid hormones.

    <p>False</p> Signup and view all the answers

    Diagnosis of hypothyroidism can be based solely on symptoms reported by the patient.

    <p>False</p> Signup and view all the answers

    Hypothyroidism is defined as an underactive thyroid gland that produces insufficient thyroid hormones.

    <p>True</p> Signup and view all the answers

    Primary hypothyroidism is characterized by decreased activity of the thyroid gland and compensatory increase in TSH levels.

    <p>True</p> Signup and view all the answers

    Hashimoto's Disease is characterized by antibodies attacking various parts of the thyroid gland, including the thyroid peroxidase enzyme.

    <p>True</p> Signup and view all the answers

    A diagnosis of hypothyroidism can be confirmed solely based on reported signs and symptoms without the need for laboratory testing.

    <p>False</p> Signup and view all the answers

    In hypothyroidism, weight gain, fatigue, and constipation are common symptoms experienced by patients.

    <p>True</p> Signup and view all the answers

    The diagnosis of hypothyroidism is based on elevated Free T4 levels in thyroid function tests.

    <p>False</p> Signup and view all the answers

    Thyroid stimulating hormone (TSH) levels are low in cases of hyperthyroidism.

    <p>True</p> Signup and view all the answers

    Hashimoto's Disease results in the underproduction of thyroid hormones.

    <p>False</p> Signup and view all the answers

    In primary hypothyroidism, TSH levels are elevated.

    <p>True</p> Signup and view all the answers

    The diagnosis of hypothyroidism can be solely based on reported symptoms without the need for laboratory testing.

    <p>False</p> Signup and view all the answers

    Hypothyroidism is defined as an underactive thyroid gland that produces insufficient thyroid hormones.

    <p>True</p> Signup and view all the answers

    In hyperthyroidism, TSH level is low to undetectable.

    <p>True</p> Signup and view all the answers

    Heat intolerance is a common symptom of hyperthyroidism.

    <p>True</p> Signup and view all the answers

    Hashimoto's Disease is characterized by antibodies attacking the thyroid gland, including the thyroid peroxidase (TPO) enzyme.

    <p>True</p> Signup and view all the answers

    Diagnosis of hypothyroidism can be based solely on symptoms reported by the patient.

    <p>False</p> Signup and view all the answers

    Hypothyroidism is defined as an overactive thyroid gland that produces excess thyroid hormones.

    <p>False</p> Signup and view all the answers

    Symptom resolution in hypothyroidism may take months/years.

    <p>True</p> Signup and view all the answers

    Treatment for hypothyroidism will be life-long.

    <p>True</p> Signup and view all the answers

    Patients with hypothyroidism should monitor TSH and FT4 levels 6 weeks after starting any dose adjustments.

    <p>True</p> Signup and view all the answers

    Taking thyroid medication on an empty stomach (AM or PM) is recommended.

    <p>True</p> Signup and view all the answers

    Hashimoto's Disease is characterized by the overproduction of thyroid hormones.

    <p>False</p> Signup and view all the answers

    Hypothyroidism can be diagnosed solely based on symptoms reported by the patient.

    <p>False</p> Signup and view all the answers

    Hashimoto's Disease is characterized by the underproduction of thyroid hormones.

    <p>False</p> Signup and view all the answers

    Excessive sweating and heat intolerance are common symptoms of hypothyroidism.

    <p>False</p> Signup and view all the answers

    Elevated TSH levels are indicative of hyperthyroidism.

    <p>False</p> Signup and view all the answers

    Symptoms of hypothyroidism include weight loss and excessive sweating.

    <p>False</p> Signup and view all the answers

    T4 is more potent than T3 replacement in treating hypothyroidism.

    <p>False</p> Signup and view all the answers

    Combining T4 with T5 has been found to be effective in resolving symptoms of hypothyroidism.

    <p>False</p> Signup and view all the answers

    Levothyroxine (Synthroid) provides patients with a stable pool of T3.

    <p>False</p> Signup and view all the answers

    Patients with known cardiac disease should start Levothyroxine at a dose of 50 mcg daily.

    <p>False</p> Signup and view all the answers

    A TSH level of 15 mIU/L typically indicates hyperthyroidism.

    <p>False</p> Signup and view all the answers

    The target TSH range after starting synthetic T4 replacement therapy is 0.4 to 4 mIU/L.

    <p>True</p> Signup and view all the answers

    Symptoms of hypothyroidism begin to resolve once the patient starts hyperthyroidism treatment.

    <p>False</p> Signup and view all the answers

    It is important to monitor for hyperthyroid symptoms when adjusting the dose of synthetic T4 replacement.

    <p>True</p> Signup and view all the answers

    The recommended time to take synthetic T4 replacement is 30 minutes before breakfast.

    <p>False</p> Signup and view all the answers

    One should adjust the dose of synthetic T4 replacement every 2-3 weeks based on symptoms reported by the patient.

    <p>False</p> Signup and view all the answers

    How often should TSH and FT4 levels be monitored after initiating treatment for hypothyroidism or making dose adjustments?

    <p>Every 6-8 weeks</p> Signup and view all the answers

    Which symptom resolution timeline is CORRECT for hypothyroidism?

    <p>Resolution may take months/years</p> Signup and view all the answers

    What should a patient do if they suspect they are taking too much thyroid hormone?

    <p>Report signs/symptoms of hyperthyroidism</p> Signup and view all the answers

    What is the appropriate action for a pregnant woman on thyroid hormone replacement therapy if she becomes pregnant?

    <p>Take 2 additional tablets per week</p> Signup and view all the answers

    Which statement best describes the expected duration of treatment for hypothyroidism?

    <p>Treatment is typically life-long</p> Signup and view all the answers

    What is the primary function of the thyroid gland?

    <p>To create thyroid hormones using iodine</p> Signup and view all the answers

    Which of the following is the most common cause of hypothyroidism?

    <p>Hashimoto's disease</p> Signup and view all the answers

    Which of the following is a common sign or symptom of hypothyroidism?

    <p>Weight gain and fatigue</p> Signup and view all the answers

    What does FT4 stand for in thyroid function tests?

    <p>Free Thyroxine</p> Signup and view all the answers

    Which of the following best describes Hashimoto's disease?

    <p>An autoimmune disorder that causes chronic inflammation of the thyroid gland</p> Signup and view all the answers

    Which of the following statements best describes the laboratory parameters seen in a patient with hyperthyroidism?

    <p>Decreased TSH and increased FT4 levels</p> Signup and view all the answers

    Which of the following is NOT a common sign or symptom of hyperthyroidism?

    <p>Weight gain</p> Signup and view all the answers

    Hashimoto's Disease is characterized by all of the following EXCEPT:

    <p>An overactive thyroid gland</p> Signup and view all the answers

    Diagnosis of hypothyroidism is based on which of the following?

    <p>Symptoms reported by the patient and laboratory tests</p> Signup and view all the answers

    Which of the following is a FALSE statement about thyroid hormones?

    <p>T4 is more potent than T3</p> Signup and view all the answers

    Which of the following is a characteristic sign of Hashimoto's Disease?

    <p>Antibodies attacking various parts of the thyroid gland</p> Signup and view all the answers

    Which of the following laboratory results is NOT typically found in a patient with hypothyroidism?

    <p>Increased Free Triiodothyronine (FT3)</p> Signup and view all the answers

    Which of the following is NOT a common sign or symptom of hypothyroidism?

    <p>Heat intolerance</p> Signup and view all the answers

    Which of the following is the primary goal of Thyroid Replacement Therapy (TRT) in hypothyroidism?

    <p>Restore thyroid hormone levels within tissues</p> Signup and view all the answers

    What is the typical TSH level at which treatment is recommended for hypothyroidism?

    <p>11 mIU/L</p> Signup and view all the answers

    What is the primary cause of Hashimoto's Disease?

    <p>Autoimmune destruction of the thyroid gland</p> Signup and view all the answers

    Which hormone is usually decreased in primary hypothyroidism?

    <p>FT4 (Free Thyroxine)</p> Signup and view all the answers

    Which of the following thyroid function tests is a reliable indicator of hypothyroidism?

    <p>High TSH levels with low FT4 levels</p> Signup and view all the answers

    Which of the following symptoms is associated with hypothyroidism?

    <p>Increased heart rate</p> Signup and view all the answers

    Which of the following statements is true about Hashimoto's Disease?

    <p>It is characterized by the destruction of the thyroid gland by the body's immune system</p> Signup and view all the answers

    What is the primary laboratory finding in a patient with hypothyroidism?

    <p>High TSH and low FT4 levels</p> Signup and view all the answers

    Which of the following is a common symptom of Hashimoto's Disease?

    <p>Enlarged thyroid gland (goiter)</p> Signup and view all the answers

    Which of the following thyroid function tests would indicate hyperthyroidism?

    <p>Low TSH and high FT4 levels</p> Signup and view all the answers

    What is the recommended initial starting dose of synthetic T4 replacement (Levothyroxine) for an adult without cardiac disease and a normal body weight?

    <p>1.6 mcg/kg/day of ideal body weight</p> Signup and view all the answers

    Which of the following statements is true regarding the diagnosis of hypothyroidism?

    <p>The diagnosis of hypothyroidism is confirmed by elevated TSH levels and low FT4 levels.</p> Signup and view all the answers

    Which of the following is NOT a symptom of hypothyroidism?

    <p>Heat intolerance</p> Signup and view all the answers

    Which of the following thyroid hormone preparations contains both T4 and T3?

    <p>Armour Thyroid</p> Signup and view all the answers

    Which of the following statements is TRUE about Hashimoto's Disease?

    <p>It results in the underproduction of thyroid hormones</p> Signup and view all the answers

    Which of the following laboratory findings is typically observed in a patient with hypothyroidism?

    <p>High TSH and low FT4</p> Signup and view all the answers

    Which of the following statements is TRUE about the diagnosis of hypothyroidism?

    <p>Diagnosis of hypothyroidism is based on elevated levels of TSH and low levels of FT4 in thyroid function tests</p> Signup and view all the answers

    Which of the following medications is NOT recommended as first-line treatment for hypothyroidism?

    <p>Cytomel</p> Signup and view all the answers

    Which of the following factors can interfere with the absorption of levothyroxine?

    <p>All of the above</p> Signup and view all the answers

    Which of the following laboratory parameters is typically found in a patient with hyperthyroidism?

    <p>Low TSH</p> Signup and view all the answers

    Which of the following statements is TRUE about the treatment of hypothyroidism in pregnancy?

    <p>Patients with hypothyroidism may need a 30-50% increase in their levothyroxine dosage pre-pregnancy to maintain euthyroid status</p> Signup and view all the answers

    Which of the following statements is TRUE about hypothyroidism in pregnancy?

    <p>Hypothyroidism in pregnancy can lead to miscarriage, spontaneous abortion, and congenital defects</p> Signup and view all the answers

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