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. Discharge planning ideally begins as soon as the patient is admitted to the hospital to ensure a smooth transition and continuity of care post-discharge.
B. While discharge planning intensifies after procedures or surgery, the groundwork for planning should begin earlier during the admission process.
C. While family meetings are crucial for effective communication and planning, discharge planning ideally starts earlier, not necessarily when the meeting is scheduled.
D. Waiting until the day before discharge is not considered optimal for comprehensive discharge planning, as it may not allow sufficient time for arrangements and coordination.
Correct Answer is B
Explanation
A. Waist circumference is useful for assessing abdominal obesity but is not the primary factor in calculating BMI.
B. BMI is calculated using the client's height and weight to estimate body fat and assess potential health risks associated with weight.
C. Daily calorie intake is relevant for dietary assessment but is not used in the calculation of BMI.
D. Skinfold thickness measurement is a method for assessing body fat percentage but is not used in the standard BMI calculation.
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