The most abundant positive ion in blood plasma is:

a. potassium
b. calcium
c. sodium
d. both potassium and sodium are in equal concentrations


c. sodium

Anatomy & Physiology

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Placing pure water around cells causes the cells to swell because the cytosol has a lower osmotic pressure than the pure water

Indicate whether the statement is true or false

Anatomy & Physiology

________ ribosomes are responsible for the synthesis of proteins that remain within the cell.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

The kidneys are innervated by the

A) sacral nerves. B) renal nerves. C) celiac plexus. D) ureteric nerves. E) pelvic nerves.

Anatomy & Physiology

A solution surrounding a cell is hypertonic if __________.

a. it contains more nonpenetrating solute particles than the interior of the cell b. it contains the same amount of nonpenetrating solute particles as the interior of the cell c. it contains fewer nonpenetrating solute particles than the interior of the cell

Anatomy & Physiology