In countercurrent multiplication, the countercurrent refers to the fact that an exchange occurs between __________.
sodium ions and chloride ions
solute concentrations in the nephron loop
fluids moving in opposite directions
potassium and chloride ions
fluids moving in opposite directions
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Ligaments associated with the knee joint include the patellar, anterior cruciate, and posterior cruciate.
Answer the following statement true (T) or false (F)
To increase the amount of neurotransmitter released onto a postsynaptic cell, the presynaptic cell would have to
A) send action potentials with longer durations. B) send action potentials with higher voltage (higher amplitude). C) send action potentials with higher frequency. D) do nothing; no change is possible since the all-or-none law is in effect.
The most common cause of hyperkalemia is ________.
A. increased dietary intake B. vomiting C. cellular injury or death D. diarrhea E. increased urinary output
What is the greatest immediate threat to the survival of a patient with severe burns?
A. Fluid loss B. Eschar C. Loss of thermoregulation D. Infection E. Pain