Why is the IV bolus considered a dangerous method by which to administer medications? (Select all that apply.)

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The IV bolus is a dangerous method by which to administer medications,because it allows no time to correct errors.Therefore,be very careful in calculating the correct amount of the medication to give.In addition,a bolus may cause direct irritation to the lining of blood vessels,so always confirm placement of the IV catheter or needle.Never give an IV bolus if the insertion site appears puffy,edematous,or reddened,or if the IV fluids do not flow at the ordered rate.Accidental injection of some medications into tissues surrounding a vein can cause pain,sloughing of tissues,and abscesses.

Why Is the IV Bolus Considered a Dangerous Method by Which