Neco 2018 Biology Question 7
Practice objective / multiple choice question 7 from the 2018 Neco Biology examination.
A 70 kg adult has a blood volume of 5 L and a plasma osmolarity of 285 mOsm·L⁻¹. He drinks 0.5 L of isotonic saline (0.9 % NaCl) whose osmolarity is 308 mOsm·L⁻¹. Assuming instant and complete mixing, what is the new plasma osmolarity (in mOsm·L⁻¹) after ingestion?
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About This Question
This is Neco 2018 Biology Question 7. It is one of the objective questions from the 2018 Neco Biology examination.
Difficulty level: Medium .
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