A nurse is teaching a class about medication interactions.
The nurse should include that iron preparations should be administered with which of the following?
Cheese.
Antacids containing magnesium.
Orange juice.
Milk.
The Correct Answer is C
Choice A rationale
Cheese is high in calcium, which can interfere with the absorption of iron by binding to it in the digestive tract, making it less available for absorption.
Choice B rationale
Antacids containing magnesium can interfere with the absorption of iron by increasing the pH of the stomach, reducing the solubility and absorption of iron.
Choice C rationale
Orange juice is high in vitamin C, which can enhance the absorption of iron by reducing it to a form that is more easily absorbed by the body.
Choice D rationale
Milk contains calcium, which can inhibit the absorption of iron. Calcium competes with iron for absorption in the intestines, leading to reduced iron absorption.
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Correct Answer is D
Explanation
Choice D rationale
Dark-colored urine is a common indicator of dehydration. When the body is dehydrated, urine becomes more concentrated, leading to darker color due to higher levels of waste products.
Choice A rationale
Cloudy urine is not typically associated with dehydration. It may indicate the presence of an infection, inflammation, or other medical conditions.
Choice B rationale
Urine osmolality of 200 mOsm/kg suggests diluted urine, which is contrary to the expectation in dehydration. Dehydration would typically result in higher urine osmolality as the kidneys conserve water.
Choice C rationale
Urine specific gravity of 1.015 falls within the normal range (1.005 to 1.030). In dehydration, specific gravity would be expected to be higher as the urine becomes more concentrated to conserve water.
Correct Answer is D
Explanation
Choice A rationale
It is best practice to use a new cotton swab for each swipe to avoid contamination. Each area should be cleaned with a separate cotton swab.
Choice B rationale
Oil-based lubricants should not be used with catheters as they can interfere with the material of the catheter. Water-based lubricants are preferred.
Choice C rationale
Testing the balloon on the indwelling urinary catheter before insertion can lead to an increased risk of contamination and potential damage to the catheter.
Choice D rationale
Sterile gloves are essential to prevent infection during the insertion of an indwelling urinary catheter. Maintaining a sterile field is crucial.