The nurse is calculating the estimated date of confinement (EDC) using Nagele's rule for a client whose last menstrual period started on February 13th. Which date is most accurate?
November 20
November 27
November 21
November 14
The Correct Answer is A
Choice A reason:
Nagele's rule for calculating the estimated date of confinement (EDC) involves subtracting 3 months from the first day of the last menstrual period and adding 7 days. For February 13th, subtracting 3 months gives us November 13th, and adding 7 days gives us November 20th. This is the most accurate calculation for the estimated date of confinement.
Choice B reason:
This choice is not accurate according to Nagele's rule. Adding 7 days to November 13th would give November 20th, not November 27th.
Choice reason:
This choice is not accurate according to Nagele's rule. Adding 7 days to November 13th would give November 20th, not November 21st.
Choice D reason:
This choice is not accurate according to Nagele's rule. Subtracting 3 months from February 13th would give November 13th, not November 14th.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: This is incorrect because venipuncture for blood work should be avoided on the affected arm. The mastectomy may have involved the removal of lymph nodes, which can impair the lymphatic drainage and increase the risk of lymphedema (swelling) in the arm. Venipuncture can cause further damage or infection to the arm.
Choice B reason: This is correct because the BP cuff should not be applied to the affected arm. The BP cuff can exert pressure on the arm and interfere with the blood and lymph flow. This can also increase the risk of lymphedema or pain in the arm.
Choice C reason: This is incorrect because the affected arm should not be held down close to the woman's side. The woman should be encouraged to elevate the arm above the level of the heart and perform gentle exercises to promote circulation and prevent stiffness. The arm should not be immobilized or restricted.
Choice D reason: This is incorrect because the affected arm should not be used for IV therapy. IV therapy can introduce fluids or medications into the arm that can affect the blood and lymph flow. It can also cause irritation or infection to the arm.
Correct Answer is D
Explanation
Choice A reason: Cheese is a good source of calcium, protein, and vitamin B12, but not folates. Folate is a water-soluble vitamin that is essential for the synthesis of DNA and the prevention of neural tube defects in the fetus.
Choice B reason: Potatoes are a good source of carbohydrates, potassium, and vitamin C, but not folates. Folate is found mainly in plant-based foods, especially dark green vegetables.
Choice C reason: Chicken is a good source of protein, iron, and zinc, but not folates. Folate is more abundant in legumes, nuts, and seeds than in animal products.
Choice D reason: Green leafy vegetables are a good source of folates, as well as vitamin A, vitamin K, and fiber. Folate is also known as folic acid when it is added to fortified foods or supplements. Pregnant women need at least 600 micrograms of folate per day.
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