What are the possible interferences or sources of variability in the assay? How do these interference affect the result in cortisol determination?
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What are the possible interferences or sources of variability in the assay? How do these interference affect the result in cortisol determination?
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- What is the definitive test to prove autonomous production of growth hormone? answers to choose: Oral glucose loading, or Somatostatin loading, or Estrogen priming, or Dexamethasone suppression?If 80% of diabetic patients are correctly identified by a urine test for glucose, but 30% of non-diabetic patients are false-positives by this test, then the urine test for glucose has: a sensitivity of 70%, and a specificity of 80% a sensitivity of 20%, and a specificity of 30% a sensitivity of 30%, and a specificity of 80% a sensitivity of 70%, and a specificity of 20% a sensitivity of 80%, and a specificity of 70%Which two of the following statements are correct? 1. for all cortisol assays, the corticosteroid-binding protein is also being measured 2. salivary cortisol represents 'free' 'active' cortisol 3. urinary cortisol contains bound and free cortisol 4. protein bound cortisol cannot enter cells 5. salivary cortisol contains bound and free cortisol
- A. What is the difference between preproinsulin and proinsulin? B. What is cleaved out of proinsulin to allow the mature insulin molecule to be formed? C. What is the C peptide and why is it medically significant? D. What is the purpose of the signal sequence and why isn’t it present in the mature insulin molecule?In a breast cancer patient whose tumor cells express large amounts of estrogen receptors and are therefore very sensitive to estradiol, which of these drugs will be very effective in reducing plasma levels of estradiol and consequently the breast tumor growth? Group of answer choices Letrozole Paclitaxel Methotrexate MegestrolWhy is there a distinction of c2c12 cells with and without insulin?
- How do harmones encode information? How do cells know "what to do" in response to hormonal information?What is the advantage to the organization of the PDH complex?A family is identified in which some individuals are heterozygous for an inactivating mutation of the calcium-sensing receptor, CaSR. These individuals are asymptomatic, but compared to their unaffected relatives, which of the following will be decreased? Group of answer choices Urinary calcium Plasma calcium Bone resorption Exocytotic activity in chief cells of the parathyroid glands
