Which type of extracellular fluid (ECF) solution will cause a cell to gain water?
A) hypertonic B) hypotonic
C) isotonic D) both hypertonic and isotonic
Answer: B
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An excitatory postsynaptic potential lasts for about
A. 15 seconds. B. 15 microseconds. C. 15 milliseconds. D. 15 minutes.
The area of the urinary bladder bounded by the openings of the two ureters and the urethra is called the
A) renal pelvis. B) JG apparatus. C) pyramid. D) trigone. E) vasa recta.
Finding an antibody against the human immunodeficiency virus (HIV) is indicative of exposure to _________
Fill in the blank(s) with the appropriate word(s).
Which of the following changes have the potential to dramatically affect the potential difference across the plasma membrane?
A. Increased permeability of the membrane to Na+, increased intracellular concentration of K+, and any change in the rate at which the sodium-potassium pump works B. Any change in the rate at which the sodium-potassium pump works C. Increased permeability of the membrane to Na+ D. Increased intracellular concentration of K+ E. Increased permeability of the membrane to Na+ and increased intracellular concentration of K+