Question

Assertion (A): Care should always be taken to ensure that solutions that flow in the bloodstream are of the same osmotic pressure as that of the blood.

Reason (R): Sodium ions and potassium ions are responsible for maintaining proper osmotic pressure balance inside and outside of the cells of an organism.

Select the most appropriate answer from the options given below:

Options

• Both A and R are true, and R is the correct explanation of A.

• Both A and R are true, and R is not the correct explanation of A.

• A is true but R is false.

• A is false but R is true.

Answer 1

Both A and R are true, and R is not the correct explanation of A.

Explanation:

If the osmotic pressure of the solutions that flow in the bloodstream is not the same as that of the blood, exosmosis or endosmosis will take place.