A nurse is assisting with teaching a class about minerals. Which of the following minerals is needed for the transport of oxygen?
Iron
Magnesium
Potassium
Phosphorus
The Correct Answer is A
A. Iron is a crucial component of hemoglobin in red blood cells, responsible for carrying oxygen throughout the body.
B. Magnesium is involved in various enzymatic reactions, nerve function, and muscle contractions, but it's not directly involved in oxygen transport.
C. Potassium plays a role in maintaining electrolyte balance and cell function, not in oxygen transport.
D. Phosphorus is essential for bone health, energy metabolism, and cell membrane formation but is not directly involved in oxygen transport.

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Patient valuables, such as jewelry, money, or personal items, are often small and easily misplaced during transfers due to their size and sometimes inadequate handling procedures.
B. Durable medical equipment, like walkers, is generally larger and easier to track and manage during transfers compared to small items like patient valuables.
C. Personal grooming items, while they may occasionally get misplaced, are typically larger and less prone to loss during transfers compared to smaller valuables.
D. Personal papers and magazines might also get lost, but they are usually larger and have a different handling process than smaller patient valuables, making them less commonly
misplaced during transfers.
Correct Answer is B
Explanation
A. While obtaining meals is important, the immediate priority during orientation is to ensure the patient knows how to call for assistance if needed, particularly the nurse, for any urgent concerns.
B. Showing patients how to call the nurse is crucial for immediate access to healthcare professionals for assistance or emergencies.
C. While knowing how to use the telephone can be helpful, the priority typically leans towards ensuring the patient knows how to request immediate assistance.
D. Knowing how to operate the TV is important for patient comfort but is usually considered of lower priority compared to accessing nursing assistance.
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