18 Questions
What is the primary cause of Sheehan's syndrome?
Post-partum hemorrhage
Which condition is described as the passage of very large amounts of dilute urine?
Diabetes Insipidus
Which hormone is responsible for promoting water re-absorption by the kidneys?
Anti-Diuretic Hormone (ADH)
What is the main manifestation of Diabetes Insipidus?
Polyuria – up to 2 to 20L/day
In Diabetes Insipidus, what causes interference with ADH synthesis, transport, or release?
Head trauma
What is the most common cause of Panhypopituitarism (Simmond’s disease)?
Pituitary adenoma
What is the main difference between Diabetes insipidus (DI) and Diabetes mellitus (DM)?
DI is caused by a lack of antidiuretic hormone (ADH), while DM is caused by insulin resistance.
During the Fluid Deprivation Test to diagnose DI, what is checked every 4 hours?
Urine volume and osmolality
What type of diabetes insipidus involves concentrated plasma and dilute urine after the Fluid Deprivation Test and administration of Desmopressin?
Central D.I.
What is the medical management for Central Diabetes Insipidus?
Desmopressin (DDAVP)
What dietary recommendation is given for patients with Nephrogenic Diabetes Insipidus?
Low-sodium diet
What characterizes the Syndrome of Inappropriate Anti-Diuretic Hormone (SIADH)?
Continued secretion or action of AVP despite normal or increased plasma volume
What is the first symptom of hyponatremia due to Syndrome of Inappropriate Anti-Diuretic Hormone (SIADH)?
Headache
Which of the following is NOT a characteristic symptom of dilutional hyponatremia caused by excessive Antidiuretic Hormone (ADH)?
Hypernatremia
In Hyperparathyroidism, which of the following is true regarding the role of Parathyroid Hormone (PTH) on bones?
PTH decalcifies bones, making them prone to fractures
What is a key management strategy for a patient with extreme tachycardia associated with hyperthyroidism?
Beta-blockers
What is the compensatory response seen in Secondary hyperparathyroidism?
Increased PTH production due to conditions inducing hypocalcemia
Which hormone counter-regulates the effects of Parathyroid Hormone (PTH) by depositing serum calcium into the bones?
Calcitonin
Test your knowledge on selective hypopituitarism, panhypopituitarism, and Sheehan’s syndrome. Learn about the causes of pituitary hormone deficiencies and the sequence of loss of hormones in certain conditions.
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