Fluid & Electrolytes PrepU Pellico

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A client presents with anorexia, nausea and vomiting, deep bone pain, and constipation. The following are the client's laboratory values. Na + 130 mEq/L K + 4.6 mEq/L Cl - 94 mEq/L Mg ++ 2.8 mg/dL Ca ++ 13 mg/dL Which of the following alterations is consistent with the client's findings?

Hypercalcemia

A nurse is caring for a client with metastatic breast cancer who is extremely lethargic and very slow to respond to stimuli. The laboratory report indicates a serum calcium level of 12.0 mg/dl, a serum potassium level of 3.9 mEq/L, a serum chloride level of 101 mEq/L, and a serum sodium level of 140 mEq/L. Based on this information, the nurse determines that the client's symptoms are most likely associated with which electrolyte imbalance?

Hypercalcemia

A patient's serum sodium concentration is within the normal range. What should the nurse estimate the serum osmolality to be?

275-300 mOsm/kg

A nurse can estimate serum osmolality at the bedside by using a formula. A patient who has a serum sodium level of 140 mEq/L would have a serum osmolality of:

280 mOsm/kg.

Which medication does the nurse anticipate administering to antagonize the effects of potassium on the heart for a patient in severe metabolic acidosis?

Sodium bicarbonate

Hypertonic I.V solution

5% dextrose and normal saline solution (with an osmolality of 559 mOsm/L)

Which of the following is a factor affecting an increase in urine osmolality?

Syndrome of inappropriate antidiuretic hormone release (SIADH)

To compensate for decreased fluid volume (hypovolemia), the nurse can anticipate which response by the body?

Tachycardia

The Emergency Department (ED) nurse is caring for a client with a possible acid-base imbalance. The physician has ordered an arterial blood gas (ABG). What is one of the most important indications of an acid-base imbalance that is shown in an ABG?

Bicarbonate

A patient complains of tingling in the fingers as well as feeling depressed. The nurse assesses positive Trousseau's and Chvostek's signs. Which decreased laboratory results does the nurse observe when the patient's laboratory work has returned?

Calcium

When a client's ventilation is impaired, the body retains which substance?

Carbon dioxide (CO2)

Which of the following electrolytes is a major anion in body fluid?

Chloride

Which findings indicate that a client has developed water intoxication secondary to treatment for diabetes insipidus?

Confusion and seizures

A nurse reviews the results of an electrocardiogram (ECG) for a patient who is being assessed for hypokalemia. Which of the following would the nurse notice as the most significant diagnostic indicator?

Elevated U wave

A nurse is caring for an adult client with numerous draining wounds from gunshots. The client's pulse rate has increased from 100 to 130 beats per minute over the last hour. The nurse should further assess the client for which of the following?

Extracellular fluid volume deficit

What foods can the nurse recommend for the patient with hypokalemia?

Fruits such as bananas and apricots

You are caring for a new client on your unit who is third-spacing fluid. You know to assess for what type of edema?

Generalized

Maintaining fluid balance, especially in older adults, can be a challenge. While hypovolemia is to be avoided, there is also an accompanying danger for blood clots and urinary stones. What condition contributes to the possible development of these life-threatening events?

Hemoconcentration

A client presents with fatigue, nausea, vomiting, muscle weakness, and leg cramps. Laboratory values are as follows: Na + 147 mEq/L K + 3.0 mEq/L Cl - 112 mEq/L Mg ++ 2.3 mg/dL Ca ++ 1.5 mg/dL Which of the following is consistent with the client's findings?

Hypokalemia

A client presents with fatigue, nausea, vomiting, muscle weakness, and leg cramps. Laboratory values are as follows: Na + 147 mEq/L K + 3.0 mEq/L Cl - 112 mEq/L Mg ++ 2.3 mg/dL Ca ++ 1.5 mg/dL Which of the following is consistent with the client's findings?

Hypokalemia

Oral intake is controlled by the thirst center, located in which of the following cerebral areas?

Hypothalamus

Which of the following would be a potential cause of respiratory acidosis?

Hypoventilation

A client has a respiratory rate of 38 breaths/min. What effect does breathing faster have on arterial pH level?

Increases arterial pH

The health care provider ordered an IV solution for a dehydrated patient with a head injury. Select the IV solution that the nurse knows would be contraindicated.

Isotonic solution

With which condition should the nurse expect that a decrease in serum osmolality will occur?

Kidney failure

A physician orders an isotonic I.V. solution for a client. Which solution should the nurse plan to administer?

Lactated Ringer's solution

Isotonic I.V. solution

Lactated Ringer's solution, with an osmolality of approximately 273 mOsm/L, is isotonic

A patient with severe hypervolemia is prescribed a loop diuretic. The nurse knows that this drug can cause a significant loss of sodium and has to be carefully monitored. Which of the following drugs is most likely the one that was prescribed?

Lasix

The nurse is caring for a patient with diabetes type I who is having severe vomiting and diarrhea. What condition that exhibits blood values with a low pH and a low plasma bicarbonate concentration should the nurse assess for?

Metabolic acidosis

A client has been diagnosed with an intestinal obstruction and has a nasogastric tube set to low continuous suction. Which acid-base disturbance is this client at risk for developing?

Metabolic alkalosis

A client in the emergency department reports that he has been vomiting excessively for the past 2 days. His arterial blood gas analysis shows a pH of 7.50, partial pressure of arterial carbon dioxide (PaCO2) of 43 mm Hg, partial pressure of arterial oxygen (PaO2) of 75 mm Hg, and bicarbonate (HCO3-) of 42 mEq/L. Based on these findings, the nurse documents that the client is experiencing which type of acid-base imbalance?

Metabolic alkalosis

Translocation is a term used to describe the general movement of fluid and chemicals within body fluids. In every client's body, fluid-electrolyte balance is maintained through the process of translocation. What specific process allows water to pass through a membrane from a dilute to a more concentrated area?

Osmosis

A nurse is caring for a client admitted with a diagnosis of exacerbation of myasthenia gravis. Upon assessment of the client, the nurse notes the client has severely depressed respirations. The nurse would expect to identify which acid-base disturbance?

Respiratory acidosis

A client comes to the emergency department with status asthmaticus. His respiratory rate is 48 breaths/minute, and he is wheezing. An arterial blood gas analysis reveals a pH of 7.52, a partial pressure of arterial carbon dioxide (PaCO2) of 30 mm Hg, PaO2 of 70 mm Hg, and bicarbonate (HCO3??') of 26 mEq/L. What disorder is indicated by these findings?

Respiratory alkalosis

A nurse reviews the arterial blood gas (ABG) values of a client admitted with pneumonia: pH, 7.51; PaCO2, 28 mm Hg; PaO2, 70 mm Hg; and HCO3--, 24 mEq/L. What do these values indicate?

Respiratory alkalosis

Which of the following arterial blood gas results would be consistent with metabolic alkalosis?

Serum bicarbonate of 28 mEq/L

Treatment of FVE involves dietary restriction of sodium. Which of the following food choices would be part of a low-sodium diet, mild restriction (2 to 3 g/day)?

Three ounces of light or dark meat chicken, 1 cup of spaghetti and a garden salad

A patient is diagnosed with hypocalcemia. The nurse advises the patient and his family to immediately report the most characteristic manifestation. What is the most characteristic manifestation?

Tingling or twitching sensation in the fingers

Hypotonic I.V solution

half-normal saline solution osmolality of 154 mOsm/L

Following a unilateral adrenalectomy, a nurse should assess for hyperkalemia as indicated by:

muscle weakness

Oncotic pressure refers to the

osmotic pressure exerted by proteins.

Your grandfather reports his physician added the condition "hypervolemia" to his list of medical ailments. Your grandfather was unsure of the reason for adding this condition, so he asked you what the term means. Which of the following conditions could put your grandfather at risk for hypervolemia? Choose all correct options.

• Altered cardiac function • Taking prednisone

Which of the following is a clinical manifestation of fluid volume excess (FVE)? Select all that apply.

• Crackles in the lung fields • Shortness of breath • Distended neck veins


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