Podcast
Questions and Answers
Which hormone is known as an 'anti-diuretic hormone' and plays a role in the regulation of thirst and fluid balance?
Which hormone is known as an 'anti-diuretic hormone' and plays a role in the regulation of thirst and fluid balance?
- Oxytocin
- Arginine vasopressin (AVP) (correct)
- Insulin
- Adrenaline
What is the narrow range of plasma osmolality that ensures stable water balance?
What is the narrow range of plasma osmolality that ensures stable water balance?
- 400-420 mosmol/kg
- 320-350 mosmol/kg
- 200-220 mosmol/kg
- 285-295 mosmol/kg (correct)
What is the primary determinant of water balance regulation?
What is the primary determinant of water balance regulation?
- Arginine vasopressin (AVP) (correct)
- Blood pressure
- Sodium levels
- Oxytocin
What is the condition characterized by excessive urine production and increased thirst?
What is the condition characterized by excessive urine production and increased thirst?
What is the condition characterized by low sodium levels in the blood and excessive secretion of ADH?
What is the condition characterized by low sodium levels in the blood and excessive secretion of ADH?
What is the hormone that acts on the renal tubule to allow changes in water excretion?
What is the hormone that acts on the renal tubule to allow changes in water excretion?
What is the main hormone responsible for osmotically stimulated secretion of ADH?
What is the main hormone responsible for osmotically stimulated secretion of ADH?
What is the water deprivation test used to investigate?
What is the water deprivation test used to investigate?
What is the condition characterized by excessive thirst?
What is the condition characterized by excessive thirst?
What is the condition characterized by low sodium levels in the blood?
What is the condition characterized by low sodium levels in the blood?
Which cells detect changes in plasma osmolality?
Which cells detect changes in plasma osmolality?
Where are osmoreceptors located?
Where are osmoreceptors located?
What initiates neuronal impulses that are transmitted to the hypothalamus and cerebral cortex?
What initiates neuronal impulses that are transmitted to the hypothalamus and cerebral cortex?
What is the human form of ADH?
What is the human form of ADH?
Where is vasopressin synthesized in the body?
Where is vasopressin synthesized in the body?
What does AVP action mediated via?
What does AVP action mediated via?
What does AVP-sensitive water channel promote in the kidney?
What does AVP-sensitive water channel promote in the kidney?
What happens to water channels when AVP is cleared?
What happens to water channels when AVP is cleared?
What happens to AVP secretion and thirst when plasma osmolality is high?
What happens to AVP secretion and thirst when plasma osmolality is high?
What are the three main causes of polyuria and polydipsia, excluding diabetes mellitus?
What are the three main causes of polyuria and polydipsia, excluding diabetes mellitus?
Which topic is the focus of the lecture?
Which topic is the focus of the lecture?
According to the speaker, why is the topic of fluid balance considered tricky?
According to the speaker, why is the topic of fluid balance considered tricky?
What hormone is associated with the condition called diabetes insipidus?
What hormone is associated with the condition called diabetes insipidus?
What is the condition characterized by excess urination and excessive thirst?
What is the condition characterized by excess urination and excessive thirst?
Which receptors does AVP act on in the kidneys?
Which receptors does AVP act on in the kidneys?
During water reabsorption, where do the aquaporin channels move to?
During water reabsorption, where do the aquaporin channels move to?
What happens to AVP secretion and thirst when plasma osmolarity is low?
What happens to AVP secretion and thirst when plasma osmolarity is low?
What is the physiological response to high plasma osmolarity?
What is the physiological response to high plasma osmolarity?
Which of the following is a characteristic of cranial diabetes insipidus?
Which of the following is a characteristic of cranial diabetes insipidus?
What is the main treatment for cranial diabetes insipidus?
What is the main treatment for cranial diabetes insipidus?
Which of the following can cause nephrogenic diabetes insipidus?
Which of the following can cause nephrogenic diabetes insipidus?
What is the potential risk of taking excessive Desmopressin?
What is the potential risk of taking excessive Desmopressin?
What is the term used to describe a condition in which the renal tubules are resistant to AVP?
What is the term used to describe a condition in which the renal tubules are resistant to AVP?
What is the term used to describe excessive thirst?
What is the term used to describe excessive thirst?
What can trigger resistance to AVP in some individuals?
What can trigger resistance to AVP in some individuals?
What is the term used to describe a condition in which a person drinks excessive amounts of fluid?
What is the term used to describe a condition in which a person drinks excessive amounts of fluid?
Which hormone deficiency is characterized by excessive thirst and urine production?
Which hormone deficiency is characterized by excessive thirst and urine production?
What are the three main causes of diabetes insipidus?
What are the three main causes of diabetes insipidus?
Which condition is characterized by a deficiency of AVP and can be genetic or idiopathic?
Which condition is characterized by a deficiency of AVP and can be genetic or idiopathic?
Which hormone deficiency can lead to disordered thirst, appetite, temperature regulation, and sleep rhythm?
Which hormone deficiency can lead to disordered thirst, appetite, temperature regulation, and sleep rhythm?
Which of the following is a symptom of mild and chronic hyponatremia?
Which of the following is a symptom of mild and chronic hyponatremia?
What can cause sudden hyponatremia?
What can cause sudden hyponatremia?
What is the severe level of hyponatremia?
What is the severe level of hyponatremia?
What is the key regulator of mortality in hyponatremia?
What is the key regulator of mortality in hyponatremia?
What can happen to the brain when hyponatremia is slow and chronic?
What can happen to the brain when hyponatremia is slow and chronic?
What are non-specific symptoms of hyponatremia?
What are non-specific symptoms of hyponatremia?
What is the hormone responsible for water conservation in the body?
What is the hormone responsible for water conservation in the body?
What are the main ways by which water homeostasis is regulated in the body?
What are the main ways by which water homeostasis is regulated in the body?
Where is the hormone AVP synthesized in the body?
Where is the hormone AVP synthesized in the body?
What stimulates fluid intake in the body?
What stimulates fluid intake in the body?
