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 A
Explanation
A. The descending colon is a part of the large intestine, specifically the section that runs downward on the left side of the abdomen.
B. The pancreas is a gland located behind the stomach that plays a role in digestion by secreting enzymes, but it is not a part of the large intestine.
C. The ureter is a tube that carries urine from the kidneys to the bladder, not part of the large intestine.
D. The pancreas was listed twice; it is not part of the large intestine but an organ of the digestive system.

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