HISTOLOGY
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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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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Detailed explanation-1: -Potassium ions, hydrogen ions and amnonium ions.
Detailed explanation-2: -Substances mainly secreted into renal tubule are; H+, K+, NH3, urea, Creatinine, histamine and drugs like penicillin.
Detailed explanation-3: -Tubular secretion is the opposite process, where the kidneys secrete waste products, such as excess potassium or hydrogen ions, from the bloodstream into the tubular fluid. This process occurs primarily in the distal and collecting tubules of the nephron.
Detailed explanation-4: -Renal tubular excretion is in general characterized by the circum-stance that a preformed, diffusible solute is transferred across the tubule. cell under such conditions that there results an increase in the free energy. of the system in the form of a concentration gradient.