Calculation depends on both the T 4 and T 3 resin uptake results, which can be influenced by pregnancy, contraceptive pills, and other factors. Glucagon test Stimulation test used to bring on a discharge of catecholamines in a person with pheochromocytoma. Glucose tolerance test Stimulation test. See chapter 19. Growth hormone level Blood test that requires fasting.
Stress can affect the results.
Hypertonic saline test Used for diabetes insipidus. Overnight fasting before test. Normal values depend on age and sex. Higher values during normal puberty. Insulin tolerance test Stimulation test in which a dose of insulin is given intravenously.