An obstetric nurse comes across an automobile accident. The driver seems to have a crushed upper airway, and while waiting for emergency medical services to arrive, the nurse makes a cut in the trachea and inserts a straw from a purse to provide an airway. The patient survives and has a permanent problem with vocal cords, making it difficult to talk. Which statement is true regarding the nurse's performance?

The nurse stayed within the guidelines of the Good Samaritan Law.

The nurse acted appropriately and saved the patient's life.

The nurse should have just stayed with the patient and waited for help.

The nurse took actions beyond those that are standard and appropriate.

Answer and Explanation

The Correct Answer is D

A. The Good Samaritan Law typically protects individuals who provide care in emergency situations but may not apply if the actions taken are beyond the standard of care or are not in the nurse's training.
B. While the nurse's intention was to save the patient's life, the method employed was not a recognized standard procedure for airway management and may have caused harm.
C. Waiting for help may not have been an appropriate option if the patient's airway was compromised, but the method employed by the nurse was not advisable.
D. Cutting into the trachea and using a straw as a makeshift airway are actions that exceed the typical scope of nursing practice and could be deemed inappropriate, regardless of the outcome for the patient.

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Correct Answer is A

Explanation

A. A moderate-carbohydrate diet is recommended because carbohydrates increase CO₂ production during metabolism, and limiting excessive carbohydrate intake can help manage CO₂ retention in patients with respiratory issues.
B. Low-caffeine is not directly related to CO₂ retention and does not influence carbon dioxide levels in the body.
C. High-carbohydrate intake can exacerbate CO₂ production, worsening retention issues in patients with compromised lung function.
D. High-caffeine intake is not related to CO₂ retention management and would not impact CO₂ levels in the respiratory system.

A. Ventricular filling time/diastolic filling time B. Stroke volume x heart rate C. Myocardial contractility x myocardial blood flow D. Preload/afterload

Correct Answer is B

Explanation

A. Ventricular filling time and diastolic filling time are not formulas used to calculate cardiac output; they pertain to the phases of the cardiac cycle.
B. Cardiac output is calculated by multiplying stroke volume (the amount of blood ejected by the heart with each beat) by heart rate (the number of beats per minute). This formula accurately reflects the overall volume of blood the heart pumps in one minute.
C. Myocardial contractility and myocardial blood flow are important factors in cardiac function but do not directly provide a formula for calculating cardiac output.
D. Preload and afterload are factors that affect stroke volume but are not used to calculate cardiac output directly.

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A patient is experiencing carbon dioxide retention from lung problems. Which type of diet will the nurse most likely suggest for this patient?

Correct Answer is A

Explanation

A patient has been diagnosed with heart failure and cardiac output is decreased. Which formula can the nurse use to calculate cardiac output?

Correct Answer is B

Explanation

The patient is admitted with a diagnosis of chronic anxiety. Which action is most appropriate for the nurse to take when providing holistic care?

Which patients will the nurse determine are in most need of regular perineal care? (Select all that apply.)

While the nurse is taking a patient history, the nurse discovers the patient has a type of diabetes that results from a head injury and does not require insulin. Which dietary change should the nurse share with the patient?

A nurse makes a connection with the patient when providing spiritual care. Which type of connectedness did the nurse experience?

The nurse completes a thorough assessment of a patient and analyzes the data to identify nursing diagnoses. Which step will the nurse take next in the nursing process?

A nurse is caring for a 5-year-old patient whose temperature is 101.2° F. The nurse expects this patient to hyperventilate. Which factor does the nurse remember when planning care for this type of hyperventilation?

A nurse preparing to start a blood transfusion will use which type of tubing?

Which assessment finding will the nurse expect for a patient with the following laboratory values: sodium 145 mEq/L, potassium 4.5 mEq/L, calcium 4.5 mg/dL?