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 C
Explanation
A. Brittle hair is more associated with protein deficiencies or inadequate hydration rather than insufficient fiber intake.
B. Bleeding gums can be related to vitamin deficiencies (like vitamin C), poor oral hygiene, or gum disease but not primarily to inadequate fiber intake.
C. Constipation is a common consequence of inadequate fiber intake, as fiber helps add bulk to stools, promoting regular bowel movements.
D. Memory loss is not typically a direct result of insufficient fiber intake; it may be associated with various neurological or age-related conditions.
Correct Answer is C
Explanation
A. Assisting the patient to get dressed might be part of the LPN/LVN's role or a nursing assistant's role but not typically a task performed by a registered nurse during the discharge process.
B. Packing the patient's personal belongings could also be done by the patient or their family, or it might be assisted by nursing staff, but it's not usually a specific responsibility of the registered nurse during discharge.
C. Writing the discharge instructions, which include medication schedules, follow-up care, dietary guidelines, and other critical information, is typically the responsibility of the registered nurse.
D. Accompanying the patient to the acute care facility entrance might be a part of the overall discharge process but is not a task specifically assigned to the registered nurse.
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