#1
Which of the following is a crystalloid intravenous fluid?
Normal saline (0.9% NaCl)
ExplanationCrystalloid IV fluids are isotonic solutions composed of small molecules that can pass freely through capillary membranes.
#2
What is the purpose of using an intravenous (IV) drip rate controller?
To control the rate of fluid administration
ExplanationDrip rate controllers regulate the flow rate of IV fluids, ensuring precise delivery according to patient needs.
#3
What is the primary function of 5% Dextrose in water (D5W) as an intravenous fluid?
To correct hypoglycemia
ExplanationD5W provides glucose for energy and is used to treat or prevent hypoglycemia.
#4
Which of the following is a potential complication of administering hypertonic saline solutions?
Hypernatremia
ExplanationHypertonic saline solutions have a higher sodium concentration, increasing the risk of hypernatremia if not administered carefully.
#5
What is the primary purpose of administering 3% Saline (hypertonic saline) intravenously?
To correct hyponatremia
ExplanationHypertonic saline solutions are used to increase serum sodium levels in cases of severe hyponatremia or cerebral edema.
#6
What is the primary purpose of administering colloid solutions intravenously?
To expand plasma volume
ExplanationColloid solutions contain larger molecules that remain in the intravascular space, increasing plasma oncotic pressure and expanding plasma volume.
#7
Which intravenous fluid is often used as a maintenance fluid in pediatrics?
5% Dextrose in water (D5W)
ExplanationD5W is used to provide water and calories to pediatric patients who do not require electrolyte supplementation.
#8
Which electrolyte imbalance can be associated with the administration of hypertonic saline solutions?
Hypernatremia
ExplanationHypertonic saline solutions have a higher sodium concentration, which can lead to elevated serum sodium levels if administered excessively.
#9
What is the primary role of albumin in intravenous therapy?
To maintain colloid osmotic pressure
ExplanationAlbumin helps to retain fluid within the intravascular space, preventing excessive leakage into tissues.
#10
Which intravenous fluid is isotonic and often used as a replacement fluid for gastrointestinal losses?
Lactated Ringer's solution
ExplanationLactated Ringer's is isotonic and replenishes fluids and electrolytes lost from the gastrointestinal tract.
#11
What is the osmolarity of Normal Saline (0.9% NaCl)?
154 mEq/L
ExplanationNormal Saline has an osmolarity close to that of physiological serum, making it suitable for intravascular volume expansion.
#12
Which condition is contraindicated for the use of hypotonic intravenous fluids?
Cerebral edema
ExplanationHypotonic fluids may worsen cerebral edema by causing shifts of water into brain cells.
#13
Which type of intravenous fluid is commonly used for resuscitation in cases of severe blood loss or trauma?
Crystalloid solution
ExplanationCrystalloid solutions rapidly restore intravascular volume and maintain tissue perfusion in emergency situations.
#14
What is the primary disadvantage of using lactated Ringer's solution in patients with liver failure?
Metabolic acidosis
ExplanationLactated Ringer's solution contains lactate, which can exacerbate metabolic acidosis in patients with impaired liver function.
#15
Which electrolyte is commonly found in lactated Ringer's solution?
Calcium
ExplanationLactated Ringer's contains calcium, which helps maintain neuromuscular function and cardiac contractility.