A nurse is administering albumin to a client who has hypovolemic shock due to hemorrhage. The nurse understands that albumin is which of the following types of solutions?
Crystalloid.
Colloid.
Hypertonic.
Hypotonic.
The Correct Answer is B
Choice A reason:
Crystalloid solutions are fluids that contain electrolytes and can diffuse across semipermeable membranes. They are used to treat dehydration, electrolyte imbalances, and hypovolemia. However, they are not as effective as colloids in expanding the intravascular volume and maintaining the blood pressure. Therefore, choice A is incorrect.
Choice B reason:
Colloid solutions are fluids that contain large molecules such as proteins, starches, or gelatin that cannot cross the capillary membrane. They exert an osmotic pressure that draws fluid from the interstitial and intracellular spaces into the intravascular space. They are used to treat hypovolemic shock, burns, and hemorrhage. Albumin is a type of colloid solution that is derived from human plasma and contains 5% or 25% protein. It increases the plasma volume and the blood pressure by increasing the oncotic pressure. Therefore, choice B is correct.
Choice C reason:
Hypertonic solutions are fluids that have a higher osmolarity than the blood plasma. They draw water out of the cells and into the intravascular space. They are used to treat hyponatremia, cerebral edema, and severe dehydration. However, they can cause fluid overload, hypertension, and cellular dehydration if given in excess. Therefore, choice C is incorrect.
Choice D reason:
Hypotonic solutions are fluids that have a lower osmolarity than the blood plasma. They provide free water and electrolytes to the cells and the interstitial space. They are used to treat hypernatremia, cellular dehydration, and fluid loss due to burns or diuresis. However, they can cause fluid shifts from the intravascular space to the interstitial and intracellular spaces, resulting in hypovolemia, hypotension, and edema. Therefore, choice D is incorrect.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","D"]
Explanation
Choice A reason:
Decreased thirst. This is a sign of improvement because hypernatremia causes increased thirst due to high sodium levels in the blood. Decreased thirst indicates that the fluid therapy has restored the normal balance of sodium and water in the body.
Choice B reason:
Increased urine output. This is a sign of improvement because hypernatremia can cause decreased urine output due to dehydration or kidney dysfunction. Increased urine output indicates that the fluid therapy has replenished the body's water and helped the kidneys excrete excess sodium.
Choice C reason:
Decreased serum sodium level. This is a sign of improvement because hypernatremia is defined as a serum sodium level higher than 145 mEq/L. Decreased serum sodium level indicates that the fluid therapy has diluted the blood and lowered the sodium concentration to within the normal range.
Choice D reason:
Increased level of consciousness. This is a sign of improvement because hypernatremia can cause confusion, lethargy, or coma due to the effects of high sodium levels on the brain. Increased level of consciousness indicates that the fluid therapy has improved the brain function and reduced the risk of brain injury.
Choice E reason:
Decreased edema. This is not a sign of improvement because hypernatremia does not cause edema, which is the accumulation of fluid in the interstitial spaces. Edema is more likely to occur in conditions such as hypervolemia (excess fluid volume) or hyponatremia (low sodium levels) Decreased edema may indicate that the fluid therapy has caused fluid overload or electrolyte imbalance, which can be harmful.
Correct Answer is A
Explanation
Choice A reason:
Kussmaul respirations are a type of deep, rapid breathing that occurs in response to metabolic acidosis. The body tries to compensate for the excess acid by blowing off carbon dioxide through the lungs. Kussmaul respirations are a common manifestation of diabetic ketoacidosis (DKA), which is a severe form of metabolic acidosis caused by the accumulation of ketones in the blood. The nurse should monitor the client's respiratory rate, depth, and pattern, as well as the arterial blood gas results, to assess the severity of metabolic acidosis and the effectiveness of treatment.
Choice B reason:
Bradypnea is a condition of abnormally slow breathing, usually less than 12 breaths per minute. Bradypnea can result from respiratory acidosis, which is a condition of excess carbon dioxide in the blood due to hypoventilation or impaired gas exchange. Bradypnea is not a manifestation of metabolic acidosis, which is a condition of excess acid in the blood due to increased production or decreased elimination of hydrogen ions. Therefore, choice B is incorrect.
Choice C reason:
Muscle spasms are involuntary contractions of the skeletal muscles that can cause pain and discomfort. Muscle spasms can result from hypocalcemia, which is a condition of low calcium levels in the blood. Hypocalcemia can occur in metabolic acidosis due to the binding of calcium with excess hydrogen ions, reducing the availability of free calcium for muscle contraction. However, muscle spasms are not a specific or common manifestation of metabolic acidosis, and they can have other causes such as dehydration, electrolyte imbalance, or muscle injury. Therefore, choice C is incorrect.
Choice D reason:
Numbness and tingling of extremities are sensations of reduced or abnormal feeling in the arms or legs. Numbness and tingling can result from hypokalemia, which is a condition of low potassium levels in the blood. Hypokalemia can occur in metabolic acidosis due to the movement of potassium from the intracellular to the extracellular space in exchange for hydrogen ions, which are then excreted by the kidneys. However, numbness and tingling are not specific or common manifestations of metabolic acidosis, and they can have other causes such as nerve compression, peripheral neuropathy, or hyperventilation. Therefore, choice D is incorrect.
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