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Questions and Answers
What is the primary stimulus for the secretion of antidiuretic hormone (ADH) in response to changes in osmolality?
What is the primary stimulus for the secretion of antidiuretic hormone (ADH) in response to changes in osmolality?
- Decreased osmolality
- Decreased blood pressure
- Increased osmolality (correct)
- Increased blood volume
How does a decrease in osmolality affect the thirst mechanism?
How does a decrease in osmolality affect the thirst mechanism?
- Suppresses the thirst center (correct)
- Stimulates the thirst center
- Increases water intake
- Restores blood volume
Which system primarily responds to a decreased blood volume by secreting renin?
Which system primarily responds to a decreased blood volume by secreting renin?
- Osmoreceptors system
- Thirst mechanism
- Renin Angiotensin Aldosterone system (correct)
- ADH regulation system
What effect does angiotensin II have on blood pressure?
What effect does angiotensin II have on blood pressure?
How does increased osmolality affect water reabsorption at the collecting duct?
How does increased osmolality affect water reabsorption at the collecting duct?
What is the role of aldosterone in response to decreased blood volume?
What is the role of aldosterone in response to decreased blood volume?
What is the consequence of vasopressin deficiency?
What is the consequence of vasopressin deficiency?
Which type of Diabetes Insipidus is characterized by impairment of ADH secretion?
Which type of Diabetes Insipidus is characterized by impairment of ADH secretion?
Which condition can cause Cranial Diabetes Insipidus?
Which condition can cause Cranial Diabetes Insipidus?
What is a common cause of acquired Diabetes Insipidus?
What is a common cause of acquired Diabetes Insipidus?
Which of the following is NOT a risk factor for developing Diabetes Insipidus?
Which of the following is NOT a risk factor for developing Diabetes Insipidus?
What effect does ADH deficiency have on blood osmolality?
What effect does ADH deficiency have on blood osmolality?
What is the ideal Urine/Plasma Osmolality ratio during an overnight water deprivation test to confirm Diabetes Insipidus?
What is the ideal Urine/Plasma Osmolality ratio during an overnight water deprivation test to confirm Diabetes Insipidus?
Which condition can lead to Syndrome of Inappropriate Antidiuretic Hormone (SIADH) due to pathologic ADH excess?
Which condition can lead to Syndrome of Inappropriate Antidiuretic Hormone (SIADH) due to pathologic ADH excess?
Which of the following drugs is NOT associated with causing Syndrome of Inappropriate Antidiuretic Hormone (SIADH) due to its CNS effects?
Which of the following drugs is NOT associated with causing Syndrome of Inappropriate Antidiuretic Hormone (SIADH) due to its CNS effects?
In differentiating Central Diabetes Insipidus (DI) from Nephrogenic DI, what happens to urine osmolality after administering desamino-d-arginine vasopressin (DDAVP) in patients with Central DI?
In differentiating Central Diabetes Insipidus (DI) from Nephrogenic DI, what happens to urine osmolality after administering desamino-d-arginine vasopressin (DDAVP) in patients with Central DI?
Which of the following is a common cause of pathologic ADH excess leading to Syndrome of Inappropriate Antidiuretic Hormone (SIADH)?
Which of the following is a common cause of pathologic ADH excess leading to Syndrome of Inappropriate Antidiuretic Hormone (SIADH)?
What feature in the blood is typically observed in patients with Syndrome of Inappropriate Antidiuretic Hormone (SIADH)?
What feature in the blood is typically observed in patients with Syndrome of Inappropriate Antidiuretic Hormone (SIADH)?
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