Multiple Choice
Which of the following is true with regard to sodium and potassium in the human body?
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11. Nervous Tissue and Nervous System
Ions - Sodium and Potassium
Back11. Nervous Tissue and Nervous System
Ions - Sodium and Potassium
- Multiple Choice
Suppose the extracellular fluid has a chloride () concentration of 120mM, while the concentration of chloride () inside the cytosol is 60mM. Also suppose that the total net charge of the cytosol is more negative than the extracellular fluid. Given this information, which statement is correct regarding the movement of ions?
1930views77rank - Multiple Choice
In a neuron at rest, the concentration of __________ is higher outside the cell than in the cell, whereas the concentration of _________ is greater inside the cell than outside.
1611views36rank - Multiple Choice
Which of the following statements is true regarding how the concentration gradient affects sodium ions when a cell is at rest?
1562views33rank - Multiple Choice
Which of the following statements about the Sodium Potassium pump is correct?
1496views36rank - Multiple ChoiceWhich type of ion channel opens when a chemical binds to it?1615views1rank
- Multiple ChoiceThe movement of which ion out of the cell through leakage channels establishes the negative membrane potential?1404views1rank
- Multiple ChoiceWhich of the following membrane ion channels open and close in response to changes in the membrane potential?1580views1rank
- Multiple ChoiceWhich of the following membrane ion channels in the neuron are always open?1742views1rank
- Multiple ChoiceThe sodium-potassium ion pump will __________.2437views2rank
- Multiple ChoiceRelative to extracellular fluid, the interior of a neuron has a negative charge because __________.1377views1rank1comments
- Multiple ChoiceIn a neuron, a membrane potential of –90 mV is considered __________.1930views1comments
- Multiple ChoiceWhich of the following statements best describes the resting membrane state in the neuron?1673views
- Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
The concentration of Na+ is highest in the cytosol, and the concentration of K+ is highest in the extracellular fluid.
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