Which of the following is TRUE concerning glomerular function?
An increase in GFR (glomerular filtration rate) increases urine formation
It is not an indication of kidney function
A decrease in GFR (glomerular filtration rate) causes polyuria (increase in urination)
It is unaffected by blood pressure
The Correct Answer is A
A. An increase in GFR increases urine formation: A higher GFR means more plasma is filtered, leading to more urine production.
B. It is not an indication of kidney function: GFR is a primary indicator of kidney function.
C. A decrease in GFR causes polyuria: A low GFR usually leads to oliguria (low urine output), not polyuria.
D. It is unaffected by blood pressure: GFR is directly influenced by blood pressure; low pressure decreases filtration.
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Related Questions
Correct Answer is ["B","C","D","E"]
Explanation
A. Producing glucagon: Glucagon is produced by the alpha cells of the pancreas, not the liver.
B. Synthesis of bile: The liver synthesizes bile, which is stored in the gallbladder and aids in fat digestion.
C. Metabolism of proteins, fats, carbohydrates: The liver plays a central role in metabolism, processing amino acids, lipids, and glucose.
D. Detoxifying drugs: The liver detoxifies substances, including medications and alcohol, converting them into less harmful forms.
E. Storage of fat-soluble vitamins: The liver stores vitamins A, D, E, and K, which are fat-soluble and essential for various functions.
Correct Answer is C
Explanation
A. Urethra: The urethra is a tube that carries urine from the bladder to outside the body—part of the “plumbing.”
B. Ureters: These are tubes that transport urine from the kidneys to the bladder.
C. Glomeruli: Glomeruli are part of the kidney’s filtration system, not the excretory “plumbing” system.
D. Urinary bladder: The bladder stores urine and is considered part of the urinary “plumbing.”
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