Which of the following conditions could allow a cell to become depolarized?
A) [X+]i> [X+]o
B) Change in permeability to [X+]
C) Membrane potential = equilibrium potential
D) All of the above
Answer: B
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The columns of erectile tissue in the penis include ________
A) one corpus cavernosum and one corpus spongiosum B) two corpora cavernosa and one corpus spongiosum C) one corpus cavernosum and two corpora spongiosa D) three corpora cavernosa
A sensory neuron detecting an intense stimulus will generate action potentials of greater strength as compared to a sensory neuron detecting a weak stimulus.
Answer the following statement true (T) or false (F)
The outside of the resting plasma membrane is __________ relative to the inside of the resting plasma membrane
A. positively charged B. negatively charged C. electrically neutral D. recharged E. None of these choices is correct.
Tom is in respiratory arrest due to an electrical shock. Why does a good samaritan have up to 4 or 5 minutes to begin CPR and save Tom's life?
A) There is reserve oxygen in Tom's lungs. B) There is a venous reserve of oxygen in Tom's blood. C) The Haldane effect lasts up to 5 minutes. D) Tom's hypoxic drive will keep him alive for up to 5 minutes. E) The ambient Po2 can support life that long.