The nurse is aware that clients who prefer indoor activities to outdoor activities are at risk for which vitamin deficiency?
D
E
B
A
The Correct Answer is A
A. Vitamin D is often referred to as the "sunshine vitamin" because the body produces it in response to sunlight exposure on the skin. Spending more time indoors reduces sunlight exposure, which can lead to insufficient production of vitamin D in the body. Vitamin D is important for bone health, immune function, and other physiological processes.
B. Vitamin E deficiency is rare in healthy individuals with a balanced diet. It is primarily found in foods such as nuts, seeds, and vegetable oils. Deficiency can occur in conditions where fat absorption is impaired or in certain genetic disorders.
C. There are several B vitamins (e.g., B1, B2, B6, B12) that are essential for various metabolic processes in the body. Deficiencies in specific B vitamins can occur due to inadequate dietary intake, malabsorption
disorders, or other medical conditions. However, preference for indoor activities does not directly correlate with increased risk of vitamin B deficiency.
D. Vitamin A deficiency is more commonly associated with inadequate intake of foods rich in vitamin A (e.g., liver, carrots, sweet potatoes) rather than sunlight exposure. Vitamin A is important for vision, immune function, and cellular growth.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","E"]
Explanation
A. Venous ulcers often have irregular wound borders. This is due to the underlying venous hypertension and tissue breakdown, which can lead to irregular shapes of the ulcer.
E. Significant edema, particularly in the lower leg and ankle area (often graded as +2 or +3), is commonly associated with venous ulcers. Venous insufficiency leads to fluid accumulation in the tissues, resulting in edema.
B. This is less likely to be associated with a venous ulcer. Venous ulcers typically occur on the lower leg, particularly around the medial or lateral malleolus, rather than on the plantar aspect of the foot.
C. Severe pain, especially on a scale of 9 out of 10, is less typical of venous ulcers. Venous ulcers are usually associated with mild to moderate discomfort or pain, often described as aching or heaviness rather than severe pain.
D. Venous ulcers typically exhibit moderate to heavy serous drainage. This is due to the chronic inflammation and venous congestion that characterize venous insufficiency.
Correct Answer is C
Explanation
C. The half-life of a drug refers to the time it takes for the concentration of the drug in the bloodstream to be reduced by half. If a medication has a long half-life, it means that it stays in the body for a longer period before being eliminated. This allows for less frequent dosing intervals while still maintaining therapeutic effectiveness.
A. Drugs with a short half-life are typically cleared from the body more quickly. While they may require more frequent dosing to maintain therapeutic levels, they do not necessarily have a greater risk for toxicity compared to drugs with longer half-lives. In fact, drugs with longer half-lives can accumulate in the body over time, potentially increasing the risk of toxicity.
B. The half-life of a drug can be significantly influenced by renal (kidney) and hepatic (liver) function. Impaired renal or hepatic function can prolong the half-life of a drug, leading to slower elimination and potentially increased risk of adverse effects.
D. This statement describes the concept of drug metabolism rather than the half-life. Drug metabolism refers to the biochemical alteration of drugs by enzymes, often occurring in the liver. The half-life, on the other hand, specifically relates to the elimination of the drug from the body.
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