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What is the most abundant cation in the ICF?

A.

K+

B.

Ca 2+

C.

Cl-

D.

Na

Answer and Explanation

The Correct Answer is A

A. K+: Potassium (K+) is the most abundant cation in the intracellular fluid (ICF). This is the correct answer.
 

B. Ca2+: Calcium (Ca2+) is not the most abundant cation in the ICF; it is found in lower concentrations within cells compared to potassium.

 

C. Cl-: Chloride (Cl-) is the most abundant anion in the extracellular fluid (ECF), not in the intracellular fluid. 

 

D. Na: Sodium (Na) is the most abundant cation in the extracellular fluid (ECF), not in the intracellular fluid.
 


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View Related questions

Correct Answer is B

Explanation

A. Pyelitis is an infection of the renal pelvis and does not cause sweet-smelling urine.

B. Diabetes mellitus often causes glycosuria (glucose in urine), which can make urine taste sweet.

C. Renal calculus (kidney stones) does not affect urine sweetness.

D. Acute glomerulonephritis affects kidney function and urine appearance but does not specifically cause sweet-smelling urine.

Correct Answer is D

Explanation

A. Corpuscle: The corpuscle refers to the glomerulus and Bowman's capsule, not the medial concavity of the kidney.

B. Cortex: The cortex is the outer region of the kidney, not the medial concavity.

C. Medulla: The medulla refers to the inner part of the kidney but not specifically the medial concavity.

D. Hilum: The hilum is the medial concavity of the kidney where blood vessels, nerves, and the ureter enter and exit.

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