PATHOLOGY MCQ
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following substances can be eliminated from the blood by tubular secretions?
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potassium ions
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hydrogen ions
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ammonium ions
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all of the above
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Explanation:
Detailed explanation-1: -Potassium ions, hydrogen ions and amnonium ions.
Detailed explanation-2: -Solution: During urine formation, the tubular cells secrete substances like H+, K+ and ammonia into the filtrate. Tubular secretion is also an important step in urine formation as it helps in the maintenance of ionic and acid base balance of body fluids.
Detailed explanation-3: -Glucose, amino acids, NaCl and other essential salts are reabsorbed in the second step of urine formation i.e Tubular Reabsorption. These essential substances are filtered from blood in the first step called glomerular filtration and are reabsorbed as they are vital for body function.
There is 1 question to complete.