In which type of water would a submersion injury cause the patient's fluid to be drawn from the vascular space into the alveoli, impairing alveolar ventilation and resulting in hypoxia?

Hypotonic saltwater.

Hypertonic saltwater.

Hypotonic freshwater.

Hypertonic freshwater.

Answer and Explanation

The Correct Answer is B

The correct answer is B. Hypertonic saltwater.

Choice A rationale: Hypotonic saltwater would not cause significant fluid shifts into the alveoli. Instead, it would cause cells to swell due to the lower concentration of solutes outside the cells.

Choice B rationale: Hypertonic saltwater causes fluid to be drawn from the vascular space into the alveoli due to the higher concentration of solutes in the water compared to the body's cells. This can impair alveolar ventilation and result in hypoxia.

Choice C rationale: Hypotonic freshwater would cause cells to swell and potentially burst due to the lower concentration of solutes outside the cells, but it would not specifically cause fluid to be drawn into the alveoli.

Choice D rationale: Hypertonic freshwater is not a common classification for drowning water. Freshwater is typically hypotonic compared to body fluids, and it would not cause the same fluid shift as hypertonic saltwater.

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Correct Answer is C

Explanation

Choice A rationale:

The sodium level is within the normal range, but the potassium level is slightly elevated. This does not support the rationale for changing the IV prescription to a lower potassium concentration.

Choice B rationale:

The sodium level is slightly elevated, and the potassium level is within the normal range. This does not support the rationale for changing the IV prescription to a lower potassium concentration.

Choice C rationale:

Sodium level of 135 mEq/L, potassium level of 3.6 mEq/L is the correct answer. In this option, both sodium and potassium levels are within normal ranges. Changing the IV prescription to DSNS with 20 mEq KCl/L ensures that the patient receives adequate hydration (from the dextrose and normal saline) without causing hyperkalemia.

Choice D rationale:

The sodium level is slightly elevated, and the potassium level is within the normal range. This does not support the rationale for changing the IV prescription to a lower potassium concentration.

A. "I will take my iron supplement with a straw.” B. "I will take my iron supplement at bedtime.” C. "I will take my iron supplement along with meals.” D. "I will take my iron supplement along with orange juice.”

Correct Answer is C

Explanation

The correct answer is choice c. “I will take my iron supplement along with meals.”

Choice A rationale:

Taking iron supplements with a straw is recommended to prevent staining of the teeth, which is a common side effect of liquid iron supplements.

Choice B rationale:

Taking iron supplements at bedtime can be beneficial for some patients, especially if they experience gastrointestinal discomfort when taking iron during the day.

Choice C rationale:

Taking iron supplements with meals can decrease the absorption of iron. Iron is best absorbed on an empty stomach, although it can be taken with food if gastrointestinal upset occurs.

Choice D rationale:

Taking iron supplements with orange juice is recommended because vitamin C enhances the absorption of iron.

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In which type of water would a submersion injury cause the patient's fluid to be drawn from the vascular space into the alveoli, impairing alveolar ventilation and resulting in hypoxia?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse receives a health care provider's prescription to change a patient's IV from D5. half-normal saline with 40 mEq KCl/L to DSNS with 20 mEq KCl/L. Which set of serum laboratory values supports the rationale for this IV prescription change?

Correct Answer is C

Explanation

The nurse is teaching a patient about the administration of liquid iron supplements. Which response by the patient indicates the need for additional teaching?

Correct Answer is C

Explanation

A patient's arterial blood gas (ABG) values include a pH of 7.48, a PaCO2 of 38, and an HCO3- of 30. Around which acid-base imbalance would the nurse plan the patient's care?

Which erythrocyte characteristic would the nurse expect to see in the laboratory findings for a patient who has experienced acute blood loss?

Which acid-base mechanism would the kidney use to buffer a patient's acidosis (serum pH <7.35)? Select all that apply.One, some, or all responses may be correct.

A patient who smokes reports chest pain while at rest.Which condition would the nurse suspect the patient is experiencing?

The nurse provides education to a patient about the symptoms of uncontrolled hypertension.Which symptom would the nurse include? Select all that apply.One, some, or all responses may be correct.

Which goal is a primary objective for a patient who has chronic heart failure (HF)?

The arterial blood gas (ABG) results for a patient who overdosed on barbiturates are pH = 7.32, PaCO2 = 52, and HCO3 = 23. Which interpretation would the nurse rely on when planning the patient's care?

Which information will the nurse include when teaching a patient who is receiving chemotherapy for leukemia?