What is the daily potassium requirement of humans for optimal cell functioning? Question 13 options: 20 mEq 60 mEq 3.5 mEq 8.5 mEq
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Potassium is an essential electrolyte important for maintaining normal cell function, nerve transmission, and muscle contraction. Show more…
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Electrolyte Plasma Levels (Normal) ICF Conductance Na+ 138 mM (135-155 mM) 14 mM 1 K+ 2.9 mM (3.5-5.0 mM) 155 mM 7 Cl- 115 mM (110-120 mM) 20 mM 0 14) The equilibrium potential for Na+ in this patient will be at A) 60 mV B) -60 mV C) 65 mV D) -70 mV 15) The equilibrium potential for K+ in this patient will be at A) -70 mV B) -90 mV C) 104 mV D) -104 mV 16) The resting membrane potential in this patient will be at A) 0 mV B) -70 mV C) -83 mV D) -104 mV 17) Compared to a normal resting membrane potential (-70 mV), the resting membrane potential in this patient is A) depolarized B) hyperpolarized C) not polarized D) not changed 18) This patient is experiencing muscle weakness because: A) the membrane potential is much closer to threshold. B) the voltage-gated Na+ channels are inactivated. C) a greater stimulus is needed to reach threshold. D) the voltage-gated K+ channels are inactivated.
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