Moderate
Inside the cell, the substance, which contributes to most of the osmolality, is________________?
Correct answer: B. Potassium
- A. Protein
- B. Potassium
- C. Urea
- D. Phosphate
Explanation
Potassium is the principal intracellular cation and, with its accompanying anions, contributes greatly to intracellular osmolality. Sodium is the corresponding major contributor in extracellular fluid.
Last updated
Practise Clinical Biochemistry
39 free Clinical Biochemistry MCQs from Biochemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Biochemistry questions like this
Biochemistry is on 3 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.