Which drawing shows the smallest concentration gradient of potassium across a cell? The size of the K* is proportional to the concentration. Intracellular fluid is inside the cell and ISF is outside the cell. A K+) K+ B (K+ C (K+) K+ D (K+) K+ K+

What are major factors that determine blood osmolality? The osmolality of 0.9% NaCl is ___________. How is the osmolality different from the molarity?  Also, predict the effect of 1 L of 600 mOsm/L infusion of sucrose on patients RBC’s osmolality and volume, if previous osmolality of RBC’s was 250 mOsm/L, plasma volume – 3.6 L and RBC’s volume – 2.4 L.

Will weighs 80 kg and his plasma osmolarity is 280 mOsm/L. He eats a salty snack containing 250 mM NaCl and drinks 1L of an energy drink containing 50 mM of electrolytes. Calculate the new plasma osmolarity and intracellular fluid

sodium potassium pumps are the driving force behind what

Define sodium-potassium (Na+–K+) pump

What is an average range of millivolt difference between resting membrane potential and threshold potential?     150-300mV     1-2mV     0.005-500mV     15-30mV

Which of the following statements is correct? 160 山L 140 KEY 120 Na+ 100 K* 80 CI 60 HCO, 40 Proteins 흐 20 Compartment A Compartment B Compartment B represents the cytosolic fluid Compartment A represents the blood plasma Compartment A represents the intracellular fluid Compartment B represents the extravascular water lon concentration (mmol/L)

(Short Answer - 8 Sentences Max) The sodium-potassium pump maintains the electrochemical gradient across the membrane. Describe and explain how this process occurs.

The pathway that can move highest rates of sodium ions is: A. Sodium channels B. Sodium pumps-ATPases C. Sodium exchangers D. Sodium diffusion in solution

Regulation of extracellular potassium is not particularly important because only about two percent of the total body potassium is in the extracellular fluid. TRUE or FALSE