Cell membranes are semipermeable, which means that _____ can passively move across the membrane.

Cell membranes are semipermeable, which means that _____ can passively move across the membrane.
 a. sodium ions
  b. water
  c. potassium ions
  d. phosphorous ions

Q. 2

How do electrolytes move into and out of cells?
 a. Simple diffusion
  b. Facilitated diffusion
  c. Active transport
  d. Exocytosis

Q. 3

In addition to electrolytes that help move water into and out of cells, what else helps move water back into the intravascular space?
 a. Proteins
  b. Glucose
  c. Enzymes
  d. Phospholipids

Q. 4

In addition to sodium, which of the following are considered to be predominant electrolytes?
 a. Chloride, phosphate, calcium
  b. Phosphate, potassium, magnesium
  c. Potassium, phosphate, chloride
  d. Magnesium, calcium, potassium

Q. 5

What is the most specific term for fluid located between cells?
 a. Intracellular
  b. Interstitial
  c. Extracellular
  d. Extrastitial

Q. 6

Water accounts for what percentage of an adult's total body weight?
 a. 23-25
  b. 28-40
  c. 42-48
  d. 50-70

Q. 7

A typical 70-kg man has about 42 liters of water in his body. If one-third of his water is found outside of his cells, how many liters of extracellular fluid would he have?
 a. 14
  b. 21
  c. 28
  d. 35

Q. 8

A typical 70-kg man has about 42 liters of water in his body. If two-thirds of his water is found inside of his cells, how many liters of intracellular fluid would he have?
 a. 14
  b. 21
  c. 28
  d. 35