What phases of the cardiac cellular action potential comprise the absolute refractory period?

A) 1 and 2 only
B) 2 and 3 only
C) 0 through 3
D) 0 through 4


Answer: C) 0 through 3

Nursing

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Superficial partial-thickness burns usually require 7 to ____________________ days to heal

Fill in the blank with the appropriate word.

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During an assessment, the nurse is unable to palpate pulses in the left lower leg. What should the nurse do next?

a. Document that the pulses are nonpalpable. b. Reassess the pulses in 1 hour. c. Ask the patient turn to the side, and then palpate for the pulses again. d. Use a Doppler device to assess the pulses.

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Which of the following nursing diagnoses would be MOST appropriate for a client with Guillain-Barré syndrome?

a. Ineffective breathing pattern related to loss of respiratory muscle function b. Risk for injury related to inability to perceive danger in the environment, confusion, impaired judgment, and weakness c. Pain related to pressure on the brain d. Altered thought processes related to neuron degeneration and sleep deprivation

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The nurse uses a tongue depressor to assess the gag reflex. Which action is appropriate by the nurse?

1) Sending the depressor for sterilization 2) Discarding the depressor in one piece 3) Breaking the depressor and then discarding it 4) Using the depressor for another patient

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