What is the term used to describe the movement of fluid into the third space, making it unavailable for physiological use?
Fluid shift
Fluid transfer
Fluid retention
Fluid expansion
The Correct Answer is A
A. Fluid shift: Third-spacing refers to the movement of fluid from the intravascular or intracellular compartments into interstitial or potential spaces where it is physiologically unavailable. This can lead to hypovolemia, edema, and decreased tissue perfusion. Common causes include burns, severe infections, and liver or kidney disease.
B. Fluid transfer: Fluid transfer is a nonspecific term and does not capture the pathophysiologic concept of fluid accumulation in nonfunctional compartments. It lacks the clinical significance associated with third-spacing.
C. Fluid retention: Fluid retention generally refers to the overall accumulation of fluid in the body, often within the vascular or interstitial space, but does not specifically describe fluid sequestered in a third space.
D. Fluid expansion: Fluid expansion refers to increasing circulating volume, often through intravenous fluid administration. It does not describe the pathological movement of fluid into compartments where it is unavailable for normal physiologic use.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C"]
Explanation
A. Blistering or ulceration near the insertion site: Vesicant extravasation causes tissue injury due to leakage of the drug into surrounding tissue. Local findings may include blistering, ulceration, swelling, erythema, and pain at or near the IV site. These changes reflect direct cellular damage and require immediate intervention.
B. Notifying the provider promptly: Extravasation of a vesicant is a medical urgency that requires provider notification for further management. Specific antidotes, imaging, or surgical consultation may be indicated depending on the drug involved. Timely communication helps limit tissue necrosis and long-term complications.
C. Stopping the infusion immediately: Immediate discontinuation of the infusion prevents further leakage of the vesicant into surrounding tissue. The IV catheter is typically left in place initially to allow aspiration of the drug or administration of an antidote if prescribed. This step is critical to reduce the extent of tissue injury.
D. Continuing infusion at a slower rate: Slowing the infusion allows continued exposure of tissue to the vesicant and increases the risk of severe injury. Vesicant extravasation requires cessation, not adjustment, of the infusion rate
E. Continue infusion with no action: Failure to intervene allows ongoing tissue damage and increases the risk of necrosis, infection, and loss of function. Vesicant extravasation requires immediate assessment and intervention. No-action approaches are inappropriate and dangerous.
Correct Answer is D
Explanation
Calculation:
- Identify the conversion factor
1 cup = 240 mL
- Calculate the equivalent
Cups = 240 ÷ 240
= 1
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