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

Anatomy & Physiology

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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

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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)

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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.

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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.

Anatomy & Physiology