Podcast
Questions and Answers
Which of the following is NOT a function of the kidneys?
Which of the following is NOT a function of the kidneys?
- Converting vitamin D to its active form
- Regulating the total volume of water in the body
- Producing erythropoietin and renin (correct)
- Regulating the concentrations of various ions in the extracellular fluid
What is the approximate daily volume of fluid filtered by the kidneys?
What is the approximate daily volume of fluid filtered by the kidneys?
- 100 liters
- 200 liters (correct)
- 150 liters
- 250 liters
Where are the kidneys located in the body?
Where are the kidneys located in the body?
- Behind the rib cage (correct)
- In the abdominal cavity
- In the pelvic region
- In the thoracic cavity
Which layer of the kidney prevents infections in surrounding regions from spreading to the kidney?
Which layer of the kidney prevents infections in surrounding regions from spreading to the kidney?
What are the three distinct regions of a kidney when viewed in a frontal section?
What are the three distinct regions of a kidney when viewed in a frontal section?
Which blood vessels carry one-fourth of the total cardiac output to the kidneys each minute?
Which blood vessels carry one-fourth of the total cardiac output to the kidneys each minute?
Which part of the kidney provides the nerve supply and regulates renal blood flow?
Which part of the kidney provides the nerve supply and regulates renal blood flow?
Which part of the renal tubule is responsible for reabsorbing almost everything filtered?
Which part of the renal tubule is responsible for reabsorbing almost everything filtered?
What is the function of the glomerulus?
What is the function of the glomerulus?
Which type of nephron plays an important role in producing concentrated urine?
Which type of nephron plays an important role in producing concentrated urine?
Where does tubular secretion occur?
Where does tubular secretion occur?
Which of the following is true about glomerular filtration?
Which of the following is true about glomerular filtration?
What is the main force pushing water and solutes out of the blood and across the filtration membrane?
What is the main force pushing water and solutes out of the blood and across the filtration membrane?
What determines the glomerular filtration rate (GFR)?
What determines the glomerular filtration rate (GFR)?
Why is GFR tightly regulated?
Why is GFR tightly regulated?
Which hormone makes the principal cells of the collecting ducts more permeable to water?
Which hormone makes the principal cells of the collecting ducts more permeable to water?
What happens to ADH secretion when the body is overhydrated?
What happens to ADH secretion when the body is overhydrated?
Which hormone targets the principal cells of the collecting duct and cells of the distal portion of the DCT to enhance sodium reabsorption?
Which hormone targets the principal cells of the collecting duct and cells of the distal portion of the DCT to enhance sodium reabsorption?
Which hormone reduces blood sodium content and decreases blood volume and blood pressure?
Which hormone reduces blood sodium content and decreases blood volume and blood pressure?
Which of the following mechanisms primarily controls glomerular hydrostatic pressure?
Which of the following mechanisms primarily controls glomerular hydrostatic pressure?
Which of the following is the purpose of extrinsic controls in regulating the GFR?
Which of the following is the purpose of extrinsic controls in regulating the GFR?
What happens to the NFP and GFR when the glomerular hydrostatic pressure falls by 18%?
What happens to the NFP and GFR when the glomerular hydrostatic pressure falls by 18%?
What is the range of mean arterial pressure over which autoregulatory mechanisms can maintain a relatively constant GFR?
What is the range of mean arterial pressure over which autoregulatory mechanisms can maintain a relatively constant GFR?
Which hormone is released by the granular cells of the juxtaglomerular complex in response to low blood pressure?
Which hormone is released by the granular cells of the juxtaglomerular complex in response to low blood pressure?
Which segment of the renal tubule reabsorbs all of the glucose and amino acids in the filtrate?
Which segment of the renal tubule reabsorbs all of the glucose and amino acids in the filtrate?
In which segment of the renal tubule does water leave the tubule, but solutes are not reabsorbed?
In which segment of the renal tubule does water leave the tubule, but solutes are not reabsorbed?
Which hormone fine-tunes the reabsorption in the distal convoluted tubule and collecting duct?
Which hormone fine-tunes the reabsorption in the distal convoluted tubule and collecting duct?
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