PathMD Quizes, Clinical, Head & Neck Thyroid October 29, 2017 peferguson Author: Max Llaudes, M.D. & Joshua Bornhorst, Ph.D. Make sure to subscribe to PathMD to stay up to date with new content and features!! 1. Which of the following is not a feature of Autoimmune Hashimoto thyroiditisAntibodies to the TSH receptorAnti-thyroid peroxidase antibodiesIt may present as an enlarging thyroid glandAnti-thyroglobulin antibodies 2. Which of the following conditions will present with a reduced radioactive iodine uptakePainless thyroiditisAmiodarone-induced thyrotoxicosisIodine-induced thyrotoxicosisPost-partum thyroiditisAll of the above will result in a reduced uptake of radioactive iodine 3. Which of the following statements regarding the biological effects of thyroid hormone is correct?The thyroid hormone receptors are free intracellular proteins with high specificity and affinity for thyroid hormone binding sitesThe thyroid hormone water solubility allows to permeate through the cell membrane and bind intranuclear protein receptorsTheir biological effects are mediated by interactions between the hormone and cell membrane receptorsA cellular transmembrane tyrosine kinase receptor mediates the biological effects of thyroid hormoneNone of the above statements is correct 4. A 34 year old female with history of hypothyroidism controlled with l-thyroxine comes to the office for her 8-week prenatal check-up. Her vital signs and physical examination are non-contributory. What is the appropriate management of the hypothyroidism in this patient?Increase the dose of L-thyroxineDecrease the dose of L-thyroxineDiscontinue L-thyroxineMeasure the T4 concentrationObservation and thyroid studies at 24 weeks 5. Which is the best indicator of thyroxine abuse?TSH levelThyroglobulin level Radioactive Iodine uptakeAnti-thyroid peroxidase levelUltrasound of the thyroid 6. Which of the following statements regarding the management of hypothyroid patients during pregnancy is correct?None of the above statements is correctContinue the same dose of L-thyroxineThyroid hormone free levels increase during pregnancyThyroxine requirements decrease due to transient hyperthyroidism of pregnancyThyroxine therapy needs to be discontinued 7. In the presence of a TSH secreting pituitary tumorFree T4 decreasesFree T3 increasesThyroglobulin decreasesThe radioactive iodine uptake decreasesHypothyroidism results due to hypothalamic suppression effect 8. Which of the following conditions does not usually result in hypothyrodism?Postpartum thyroiditisAutoimmune thyroiditisAll of the above conditions may result in hypothyroidismUse of radioactive iodine for the treatment of Grave’s diseaseSubacute granulomatous thyroiditis 9. Which of the following statements regarding Euthyroid sick syndrome is correctThe levels of Free T4 are normal in moderate illnessCauses a marked elevation of TSH levelsAnti-thyroglobulin is present in high concentrationsResults in an increase in the peripheral conversion of T4 to T3 10. In Grave’s diseaseThe radioiodine uptake is lowThe free thyroid is lowThe thyroid gland shows nodular “hot” noduleThyroid Stimulating Immunoglobulins (TSI) are present in serum Loading... Share this: Share on X (Opens in new window) X Share on WhatsApp (Opens in new window) WhatsApp Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print Share on LinkedIn (Opens in new window) LinkedIn Related
