Podcast
Questions and Answers
What is the main function of the kidneys in regulating urine concentration and volume?
What is the main function of the kidneys in regulating urine concentration and volume?
- Reducing blood pressure
- Producing toxic by-products of metabolism
- Increasing water reabsorption from the filtrate (correct)
- Filtering non-toxic substances from the blood
Which hormonal mechanism is more sensitive to changes in blood pressure?
Which hormonal mechanism is more sensitive to changes in blood pressure?
- Atrial natriuretic hormone (ANH) mechanism
- Renin-angiotensin-aldosterone (RAA) mechanism (correct)
- Antidiuretic hormone (ADH) mechanism
- All mechanisms have the same sensitivity to changes in blood pressure
Under what condition is the Renin-angiotensin-aldosterone (RAA) mechanism initiated?
Under what condition is the Renin-angiotensin-aldosterone (RAA) mechanism initiated?
- Normal blood pressure conditions
- High blood volume conditions
- High blood pressure conditions
- Low blood pressure conditions (correct)
What is responsible for the secretion of H+ into the urine and can directly regulate the pH of the body fluids?
What is responsible for the secretion of H+ into the urine and can directly regulate the pH of the body fluids?
In acidosis, what occurs when the pH of the blood falls below 7.35?
In acidosis, what occurs when the pH of the blood falls below 7.35?
What causes blood pH to rise toward its normal value?
What causes blood pH to rise toward its normal value?
What is the main function of the kidneys in regulating blood volume and pressure?
What is the main function of the kidneys in regulating blood volume and pressure?
What structure protects the kidneys from mechanical shock?
What structure protects the kidneys from mechanical shock?
Where is the hilum located in each kidney?
Where is the hilum located in each kidney?
What is the main role of the renal sinus in the kidneys?
What is the main role of the renal sinus in the kidneys?
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