Nursing 105 BSCC IV Therapy Questions
and Correct Answers/ Latest Update /
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Purpose for Parenteral Fluid Therapy
Ans: Provide water, electrolytes & nutrients, replace water, correct
electrolyte deficits, administer medications, & blood products
Types of IV Solutions
Ans: Isotonic, Hypotonic, & Hypertonic
Isotonic
Ans: Has the same osmolality as blood; expand the ECF volume; patients
with HTN and Heart failure should be closely monitored for fluid overload
Types of Isotonic Fluid
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Ans: Dextrose 5% in Water, NS(0.9% NaCL),Dextrose 5% 1/4 NS, & LR or RL
(Lactated Ringers- used to correct dehydration, sodium depletion,
replace GI losses)
Hypotonic
Ans: Is < less than the osmolality of blood; Replaces cellular fluid and
provides free water for excretion of body wastes; at times used to treat
hypernatremia and other hyperosmolar conditions.
Excessive infusions of Hypotonic Solution can lead to:
Ans: Intravascular fluid depletion; decreased blood pressure; cellular
edema; cell damage
Types of Hypotonic Fluid
Ans: 0.45% NaCL(1/2 strength saline) frequently used
Hypertonic
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Ans: Is >Greater than the osmolality of blood; Draws fluid from the cell
and is irritating when infused
Types of Hypertonic Fluid
Ans: Dextrose 5% 1/2 NS, Dextrose 5% NS, Dextrose 5% LR
Safety Alert
Ans: Solutions with higher concentrations of DEXTROSE, such as D 50% in
Water, are strongly hypertonic and must be administered into Central
Veins so they may be diluted by rapid blood flow
Other IV Therapies
Ans: Protein, vitamin, fats, colloids, plasma expanders, and blood
products such as( Whole RBC's, Packed RBC's, Albumin, and
cryoprecipitate)
Medication Infusions
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Ans: IV medications delivered the IV route can be either by Continuous,
Intermittent through hep lock, or Direct Bolus(IV Push); monitor for
potential adverse reactions immediately within seconds to minutes of
administration because they are delivered directly into the bloodstream.
Safety Nursing Alert
Ans: Assess the patient for a hx of allergic reactions to medications
Choosing the IV Site
Ans: Condition of the vein
Type of fluid or medication to be infused
Duration of therapy
Patient's age, size, and activity level
Whether pt is right or left handed
Pt's medical hx and current health status
Setting in which the therapy will take place