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Midterm Solutions 5

# G digitalis be especially clear what happens to the

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Unformatted text preview: hose partition coefficient is 1/3 that of glucose’s. What would be the steady state flow across the membrane? (10) Solution: Reconsider the equation for net rate of diffusion where J1 is the original rate of diffusion of glucose and J2 is the second molecule V : J = PA ( C A − C B ) kD (CA − CB ) Δx ⎛ k⎞ ⎜ ⎟ (2 D) ⎝ 3⎠ J2 = (CA − CB ) Δx 2 ⎡ kD ⎤ J 2 = ⎢ (CA − CB )⎥ 3 ⎣ Δx ⎦ 2 J 2 = J1 3 2 2⎛ mol ⎞ −13 mol Hence, J 2 = J1 = ⎜ 2.013 × 10 −13 ⎟ = 1.34 × 10 3 3⎝ s⎠ s J1 = QUESTION 4 A 35- year old woman comes to your clinic for a routine checkup. Her vital signs are as follows: T=37 ºC, HR=72 beats/min, BP 125/65 mmHg. (30 total) A. What are this woman’s pulse pressure and mean arterial pressure (in mmHg)? (10) Solution: From the given blood pressure, we know that...
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