A nurse is reading a chart and sees the term oncotic pressure. ...

[nevelica]

A nurse is reading a chart and sees the term oncotic pressure. The nurse recalls that oncotic pres-sure (colloid osmotic pressure) is determined by:
 
  a. the concentration of sodium.
  b. plasma proteins.
  c. hydrostatic pressure.
  d. the availability of membrane transporter proteins.

Question 2

Which description accurately describes electrolytes?
 
  a. Small lipid-soluble molecules
  b. Large protein molecules
  c. Micronutrients used to produce ATP
  d. Electrically charged molecules

[tofugiraffe]

Answer to Question 1

ANS: B
Oncotic pressure is determined by the effect of colloids or plasma proteins. The concentration of sodium plays a role in tonicity. Hydrostatic pressure is the force within a vessel. Membrane transporter proteins are involved in active transport within a concentration gradient.

Answer to Question 2

ANS: D
Electrolytes are electrically charged molecules. They are not lipid soluble, they are not made up of protein, and they do not play a role in ATP production.