The nurse discovers that an older client with no history of cardiac or renal disease has an elevated serum magnesium level. To further investigate the cause of this electrolyte imbalance, what information is most important for the nurse to obtain from the client's medical history?

Genetically inherited disorders of family members.

Frequency of laxative use for chronic constipation.

Length and frequency of the client's tobacco use.

Ingestion of shellfish or fish oil capsules daily.

Answer and Explanation

The Correct Answer is B

A) Incorrect- Genetically inherited disorders of family members: While a family history of certain disorders might provide some insight, it is not typically the primary cause of elevated serum magnesium levels in an older adult.
B) Correct- Elevated serum magnesium levels are commonly associated with chronic laxative use, especially those containing magnesium-based compounds. Laxatives can lead to excessive magnesium intake, causing hypermagnesemia.
C. Incorrect- Smoking is not a common cause of elevated serum magnesium levels.

D. Incorrect- While dietary sources can contribute to magnesium intake, chronic laxative use is a more likely cause in this context.

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Correct Answer is D

Explanation

A. A 12-year-old reporting neck, arm, and lower back discomfort:

This child is reporting discomfort, which is concerning, but it doesn't indicate an immediate life-threatening condition. However, a thorough assessment is needed to rule out any serious injuries, especially to the spine.

B. An 8-year-old with a full leg air splint for a possible broken tibia:

While a possible broken tibia requires attention, it is not as immediately critical as symptoms such as projectile vomiting. Splinting can help stabilize the limb, but it is not an emergency that requires immediate attention compared to potential neurological issues.

C. A 6-year-old with multiple superficial lacerations of all extremities:

Superficial lacerations, although they require care, are generally not immediately life-threatening. The child needs appropriate wound care and assessment for any deeper injuries, but this can be addressed in a timely manner without immediate urgency.

D. An 11-year-old with a headache, nausea, and projectile vomiting:

This is the most concerning presentation among the options. Headache, nausea, and projectile vomiting could be indicative of a severe head injury, and these neurological symptoms require urgent evaluation to assess for conditions such as a concussion, intracranial bleed, or increased intracranial pressure.

A. The amount of time the child was submerged B. Temperature of water C. Whether or not anyone witnessed the fall into the pool D. Oxygen concentration of the ambient air E. The weight of the child

Correct Answer is ["A","C","D"]

Explanation

A) Correct- The duration of submersion is a critical factor in determining the potential level of hypoxemia. Prolonged submersion leads to a higher risk of severe hypoxia and its associated complications.
B) Incorrect- While water temperature can affect the body's response to submersion, it is not directly related to the level of hypoxemia. Hypoxemia primarily results from the lack of oxygen intake during submersion.
C) Correct- Witnessing the fall into the pool is important because immediate initiation of cardiopulmonary resuscitation (CPR) can improve the chances of a positive outcome. Bystander CPR can help maintain oxygenation and circulation until professional help arrives.
D) Correct- The oxygen concentration in the surrounding air is crucial for oxygen delivery to the body's tissues. In cases of submersion, the availability of oxygen in the air the child is breathing plays a role in determining the level of hypoxemia.
E) Incorrect- The weight of the child is not a significant factor in determining the level of hypoxemia during submersion. The primary determinants are factors like submersion duration, availability of oxygen, and prompt initiation of CPR.

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The nurse discovers that an older client with no history of cardiac or renal disease has an elevated serum magnesium level. To further investigate the cause of this electrolyte imbalance, what information is most important for the nurse to obtain from the client's medical history?

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Naxlex Comprehensive Predictor Exams

The nurse is triaging several children as they present to the emergency room after a school bus accident. Which child requires the most immediate intervention by the nurse?

Correct Answer is D

Explanation

Exhibits here Review H and P. What factors are important in determining the level of hypoxemia that the child may have experienced during the submersion? Select all that apply.

Correct Answer is ["A","C","D"]

Explanation

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