Podcast
Questions and Answers
Describe the regulation of pituitary hormones.
Describe the regulation of pituitary hormones.
Which of the following is a circulating form of thyroid hormone?
Which of the following is a circulating form of thyroid hormone?
- T4-TBPA
- TGL-T3
- T3-TBPA (correct)
- TGL-T4
What percentage of T4 and T3 are bound to transport proteins?
What percentage of T4 and T3 are bound to transport proteins?
- 7%
- 1-7%
- Less than 1%
- 28% (correct)
What is the main reason for requiring highly sensitive TSH assays?
What is the main reason for requiring highly sensitive TSH assays?
Which of the following is true about T4 and T3 hormone levels?
Which of the following is true about T4 and T3 hormone levels?
What is the range for plasma T4 levels?
What is the range for plasma T4 levels?
Which of the following is NOT a physiological effect of thyroid hormones?
Which of the following is NOT a physiological effect of thyroid hormones?
What is the worldwide incidence of cretinism caused by thyroid hormone deficiency?
What is the worldwide incidence of cretinism caused by thyroid hormone deficiency?
Which solution is added to trigger the light emission in the Roche chemiluminescent fT4 assay?
Which solution is added to trigger the light emission in the Roche chemiluminescent fT4 assay?
What is the purpose of adding TPA and voltage in the Roche chemiluminescent fT4 assay?
What is the purpose of adding TPA and voltage in the Roche chemiluminescent fT4 assay?
What is the possible interference in the Roche fT4 assay when there is a high dose of biotin?
What is the possible interference in the Roche fT4 assay when there is a high dose of biotin?
Which drugs can decrease Thyroid Binding Globulin (TBG) levels?
Which drugs can decrease Thyroid Binding Globulin (TBG) levels?
Which of the following is a symptom of thyroid storm?
Which of the following is a symptom of thyroid storm?
What is the medical emergency associated with hypothyroidism?
What is the medical emergency associated with hypothyroidism?
Which laboratory tests are used for the diagnosis of thyroid diseases?
Which laboratory tests are used for the diagnosis of thyroid diseases?
What is the most likely diagnosis for a patient with a TSH level of 40 mU/L and fT4 level of 5 pmol/L?
What is the most likely diagnosis for a patient with a TSH level of 40 mU/L and fT4 level of 5 pmol/L?
Based on the data provided, what is the average TSH concentration in mU/L?
Based on the data provided, what is the average TSH concentration in mU/L?
What is the standard deviation of the TSH concentrations in mU/L?
What is the standard deviation of the TSH concentrations in mU/L?
What is the coefficient of variation (CV) of the TSH concentrations in percentage?
What is the coefficient of variation (CV) of the TSH concentrations in percentage?
What is the functional sensitivity of the TSH assay?
What is the functional sensitivity of the TSH assay?
Which term describes a thyroid function that is normal?
Which term describes a thyroid function that is normal?
Which term describes a thyroid function that is not normal, but the tests indicate otherwise?
Which term describes a thyroid function that is not normal, but the tests indicate otherwise?
Which term describes a thyroid function that is not normal and is characterized by increased BMR, tachycardia, heat intolerance, and weight loss?
Which term describes a thyroid function that is not normal and is characterized by increased BMR, tachycardia, heat intolerance, and weight loss?
Which term describes a thyroid function that is not normal and is characterized by decreased BMR, bradycardia, cold intolerance, and weight gain?
Which term describes a thyroid function that is not normal and is characterized by decreased BMR, bradycardia, cold intolerance, and weight gain?
Which of the following is a possible effect of subclinical hyperthyroidism in pregnancy?
Which of the following is a possible effect of subclinical hyperthyroidism in pregnancy?
Which of the following is a suggested group to screen for subclinical thyroid disease?
Which of the following is a suggested group to screen for subclinical thyroid disease?
Which of the following is a characteristic of primary hyperthyroidism?
Which of the following is a characteristic of primary hyperthyroidism?
Which of the following is a consequence of heterophilic antibody interference in Graves disease?
Which of the following is a consequence of heterophilic antibody interference in Graves disease?
