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. Dark-colored urine is a common sign of dehydration, indicating concentrated urine due to reduced water intake or excessive fluid loss.
B. Dehydration typically causes dry or parched skin rather than moist skin.
C. Distended neck veins are not typical findings associated with dehydration; instead, they might indicate other conditions like heart failure.
D. Dehydration tends to cause a drop in blood pressure rather than high blood pressure due to reduced fluid volume.
Correct Answer is C
Explanation
A. Raw vegetables are generally harder and might not be suitable for a soft diet due to their texture.
B. Fruits with the skin might be challenging to chew and are not recommended for a soft diet.
C. Ground beef can be a suitable protein source for a soft diet as it can be cooked until it's tender and easy to chew.
D. High-fiber cereals might not be suitable for a soft diet as they could be difficult to chew and swallow.
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