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. In the presence of a TSH secreting pituitary tumorFree T3 increasesHypothyroidism results due to hypothalamic suppression effectThyroglobulin decreasesThe radioactive iodine uptake decreasesFree T4 decreases 2. Which of the following conditions will present with a reduced radioactive iodine uptakeIodine-induced thyrotoxicosisPost-partum thyroiditisAmiodarone-induced thyrotoxicosisAll of the above will result in a reduced uptake of radioactive iodinePainless thyroiditis 3. Which of the following statements regarding the biological effects of thyroid hormone is correct?Their biological effects are mediated by interactions between the hormone and cell membrane receptorsA cellular transmembrane tyrosine kinase receptor mediates the biological effects of thyroid hormoneThe thyroid hormone receptors are free intracellular proteins with high specificity and affinity for thyroid hormone binding sitesNone of the above statements is correctThe thyroid hormone water solubility allows to permeate through the cell membrane and bind intranuclear protein receptors 4. Which is the best indicator of thyroxine abuse?TSH levelUltrasound of the thyroid Thyroglobulin level Radioactive Iodine uptakeAnti-thyroid peroxidase level 5. Which of the following statements regarding Euthyroid sick syndrome is correctResults in an increase in the peripheral conversion of T4 to T3Anti-thyroglobulin is present in high concentrationsCauses a marked elevation of TSH levelsThe levels of Free T4 are normal in moderate illness 6. Which of the following conditions does not usually result in hypothyrodism?All of the above conditions may result in hypothyroidismSubacute granulomatous thyroiditisPostpartum thyroiditisAutoimmune thyroiditisUse of radioactive iodine for the treatment of Grave’s disease 7. 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?Decrease the dose of L-thyroxineObservation and thyroid studies at 24 weeksIncrease the dose of L-thyroxineDiscontinue L-thyroxineMeasure the T4 concentration 8. Which of the following is not a feature of Autoimmune Hashimoto thyroiditisAnti-thyroid peroxidase antibodiesAntibodies to the TSH receptorAnti-thyroglobulin antibodiesIt may present as an enlarging thyroid gland 9. Which of the following statements regarding the management of hypothyroid patients during pregnancy is correct?None of the above statements is correctThyroid hormone free levels increase during pregnancyThyroxine therapy needs to be discontinuedContinue the same dose of L-thyroxineThyroxine requirements decrease due to transient hyperthyroidism of pregnancy 10. In Grave’s diseaseThyroid Stimulating Immunoglobulins (TSI) are present in serumThe radioiodine uptake is lowThe thyroid gland shows nodular “hot” noduleThe free thyroid is low 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
