A nurse is providing teaching to a client who is pregnant and is vegan. The nurse should instruct the client that which of the following foods is a reliable source of Vitamin B12?
Tempeh
Sunflower margarine
Sea vegetables
Algae
The Correct Answer is D
A. Tempeh is a fermented soybean product, but it's not a reliable source of vitamin B12. While it can contain some vitamin B12, the amount can vary depending on the production process.
B. Sunflower margarine is a plant-based product and does not contain vitamin B12.
C. Sea vegetables can contain some vitamin B12, but the amount is often unreliable and can vary depending on the type of sea vegetable and where it was grown.
D. Algae is the most reliable plant-based source of vitamin B12. It's a common ingredient in many vegan vitamin B12 supplements and fortified foods.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Decreasing gastric acid secretions is not the primary mechanism of action for metoclopramide. This action is more characteristic of medications like proton pump inhibitors (PPIs) or H2 receptor antagonists, which reduce stomach acid to help with conditions such as GERD or peptic ulcers.
B. Promoting gastric emptying is the correct explanation for how metoclopramide relieves nausea. Metoclopramide acts as a prokinetic agent, meaning it enhances gastrointestinal motility by increasing the movement of the stomach and intestines.
C. Slowing peristalsis is not the mechanism of action for metoclopramide. In fact, metoclopramide does the opposite by increasing peristalsis and gastrointestinal motility. Slowing peristalsis would typically exacerbate nausea and lead to delayed gastric emptying, which metoclopramide aims to counteract.
D. Relaxing gastric muscles is not how metoclopramide works. Metoclopramide’s primary action is to increase gastrointestinal motility rather than relaxing the gastric muscles. Other medications, such as antispasmodics, might be used to relax gastrointestinal muscles, but metoclopramide is not used for this purpose.
Correct Answer is A
Explanation
A. Allowing a small amount of air inside the bag can prevent the formation of ice crystals that could lead to frostbite or skin damage. Air space allows the ice to conform better to the shape of the injury and can help distribute the cold more evenly. However, the bag should not be too full to ensure effective cooling.
B. Placing an ice bag directly on the skin can lead to skin damage or frostbite. To prevent this, a thin cloth or towel should be placed between the ice bag and the skin. This barrier helps protect the skin from the intense cold and reduces the risk of injury.
C. Applying an ice bag for 30 minutes at a time can be too long and may risk skin damage or frostbite. Typically, ice should be applied for 15-20 minutes at a time, followed by a break to allow the skin to warm up before reapplication.
D. After applying an ice bag for 15-20 minutes, it is usually recommended to remove it and allow the skin to return to normal temperature before reapplying. Waiting about 30 minutes before reapplying allows the skin to recover and helps avoid potential complications like frostbite or cold burns.
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