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.
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Related Questions
Correct Answer is D
Explanation
A. Sending valuables home with a family member might not be feasible or safe in an emergency situation.
B. Locking valuables in the narcotics cabinet is not appropriate; this cabinet is typically designated for medication storage, not personal items.
C. Placing valuables in the patient's closet doesn't ensure their security; it's not a designated secure area.
D. Using a valuables envelope and securing them in the agency safe ensures the security of the patient's belongings while they are hospitalized.
Correct Answer is C
Explanation
A. The director of nurses may oversee the nursing staff but might not directly verify orders.
B. While the LPN/LVN may have specific responsibilities, verifying orders typically falls under the role of an RN with administrative responsibilities.
C. An administrative RN often verifies or reviews newly transcribed orders for accuracy and compliance with facility policies.
D. The unit secretary might assist with clerical tasks, but verifying orders is usually within the nursing scope.
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