When voltage-gated K+ channels open on the conductive segment of a neuron,
A. potassium exits, repolarizing the cell to a negative value.
B. potassium exits, depolarizing the cell to an even more negative value.
C. potassium enters, depolarizing the cell to a positive value.
D. potassium enters, repolarizing the cell to a negative value.
E. potassium enters, repolarizing the cell to a positive value.
A
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The urinary system regulates blood volume and pressure by
A) adjusting the volume of water lost in urine. B) releasing erythropoietin. C) releasing renin. D) regulating NaCl levels in the blood. E) All of the answers are correct.
Describe the arrangement within a myofibril.
What will be an ideal response?
In which neuronal circuit does the input from one neuron lead to an output from multiple neurons?
A. Parallel after-discharge B. Facilitated C. Reverberating D. Diverging E. Converging
Which of the following systems produces waste in the kidney that moves to the ureters, and is stored in the urinary bladder?
a. Lymphatic system. b. Urinary system. c. Respiratory system. d. Digestive system.