Which of the following word best describes the function of the urinary bladder?
Storage
Filtration
Reabsorption
Buffering of H+
The Correct Answer is A
A. Storage: The urinary bladder’s primary function is to store urine until it is excreted during urination.
B. Filtration: Filtration occurs in the glomeruli of the kidneys, not in the bladder.
C. Reabsorption: Reabsorption happens in the renal tubules after filtration in the kidneys.
D. Buffering of H+: Buffering of hydrogen ions occurs in the kidneys and blood, not in the bladder.
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Related Questions
Correct Answer is B
Explanation
A. Aldosterone: Aldosterone is secreted by the adrenal glands, and it regulates sodium and water balance, not in response to low oxygen.
B. Erythropoietin: The kidneys secrete erythropoietin in response to hypoxia to stimulate the production of red blood cells in the bone marrow.
C. Converting enzyme: Refers to angiotensin-converting enzyme (ACE), which is found in the lungs and converts angiotensin I to II—not secreted by kidneys in response to hypoxia.
D. Renin: Renin is secreted by the kidneys in response to low blood pressure or sodium, not oxygen deficiency.
Correct Answer is ["A","B","E"]
Explanation
A. Reabsorption: The nephron reabsorbs water, glucose, and electrolytes from the filtrate back into the blood.
B. Filtration: The glomerulus filters blood, initiating urine formation by removing waste, water, and solutes.
C. Storage: Urine storage occurs in the bladder, not the nephron.
D. Increase RBC production: While the kidneys release erythropoietin, which stimulates RBC production, this is not a nephron-specific function.
E. Secretion: The nephron actively secretes waste products like hydrogen ions and drugs into the tubule for excretion.
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