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. The responsibility for obtaining prior insurance authorization typically falls on the admitting provider's office, as they initiate the admission process and coordinate the necessary approvals.
B. The admitting office of the hospital manages administrative tasks related to the admission process but usually doesn't handle insurance authorization directly.
C. The nursing unit focuses on patient care rather than administrative tasks like insurance authorization for admissions.
D. While the nurse plays a crucial role in patient care, the responsibility for insurance authorization generally rests with the admitting provider's office or administrative staff handling admissions.
Correct Answer is C
Explanation
A. Wheat toast with a peeled apple contains fiber from the apple but might have less fiber compared to other whole-grain options.
B. A biscuit and grapefruit might provide some fiber from the grapefruit, but the biscuit might not be high in fiber.
C. Shredded wheat is a whole-grain cereal that tends to be higher in fiber, and adding a banana further increases the fiber content.
D. White toast with an orange provides some fiber from the orange, but white toast itself lacks significant fiber content compared to whole-grain options like shredded wheat.
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