A charge nurse is educating a newly licensed nurse about fluid and electrolyte balance. Which of the following manifestations should the newly licensed nurse identify as a sign of magnesium sulfate toxicity?
Bradypnea
Tremors
Insomnia
Hypertension
The Correct Answer is A
A. Bradypnea: Magnesium sulfate toxicity depresses the central nervous system, leading to respiratory depression such as bradypnea. This is a critical sign requiring immediate intervention, as respiratory rates below 12 breaths per minute can be life-threatening.
B. Tremors: Tremors are typically associated with hypomagnesemia or withdrawal states, not magnesium toxicity. Magnesium toxicity causes muscle weakness and diminished reflexes rather than increased neuromuscular activity.
C. Insomnia: Insomnia is not a recognized symptom of magnesium toxicity. In contrast, elevated magnesium levels tend to cause sedation, lethargy, and decreased mental alertness.
D. Hypertension: Magnesium sulfate can actually lower blood pressure due to its vasodilatory effects. Hypertension would be inconsistent with toxicity and more commonly seen in preeclampsia before magnesium is administered.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Institutional policies and procedures: While institutional policies provide guidance on how tasks are performed within a facility, they cannot legally expand or limit a nurse’s scope of practice. Nurses must always ensure tasks are permitted by state law first.
B. Verbal direction from the nurse manager: Managers may offer direction, but their guidance should not override legal regulations. Relying solely on verbal instructions risks performing tasks outside the legal scope of practice, which can lead to liability issues.
C. State Nurse Practice Act: The Nurse Practice Act is a legal document specific to each state that defines the scope of practice for nurses. It outlines what tasks are legally permissible and serves as the most authoritative reference for professional responsibilities.
D. Written prescription from the provider: Although a provider can order treatments or procedures, nurses are still responsible for ensuring those actions fall within their legal scope. Following a prescription without verifying legality may result in practicing beyond licensure.
Correct Answer is D
Explanation
A. The client reports a pain level of 6 on a scale from 0 to 10: Moderate pain is expected after surgery and should be managed, but it is not immediately life-threatening or the highest priority.
B. The client refuses to look at the colostomy: Emotional adjustment is important, but this does not pose an immediate physical risk to the client and can be addressed over time with support and education.
C. The colostomy has had no output: It is common for a new colostomy to have delayed output within the first 24 hours postoperatively, so this finding is expected and not immediately concerning.
D. The stoma appears dark purple in color: A dark purple stoma indicates compromised blood flow or ischemia, which is a medical emergency requiring immediate intervention to prevent tissue necrosis and further complications.
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