Samatha, age 4, has a glucose level of 329mg/dl. She is eating the following for lunch: grilled chicken, juice(15g carb), mashed potatoes (30g carb), applesauce (15g carb). Her insulin order is as follows:
- Provide insulin coverage for meals at 1 unit novolog/1 carbohydrate exchange (15g carb=1 carb exchange) and,
- Provide insulin correction for blood glucose level based on scale:
Up to 249mg/dl: no correction
250-299 mg/dl: 0.5 unit novolog 300-349 mg/dl: 1 unit novolog
350-399 mg/dl: 1.5 unit novolog
How much total insulin should Samantha receive?
5 units novolog
5.5 units novolog
4 units novolog
2.5 units novolog
The Correct Answer is A
A. Carbohydrate coverage: Samantha's meal includes 60g of carbs, which is 4 carb exchanges (60g ÷ 15g). She needs 4 units of Novolog for the carbohydrates. Correction dose: Since her glucose level is 329mg/dl, it falls within the 300-349mg/dl range, so she needs 1 unit of Novolog for correction. Total insulin = 4 units (meal coverage) + 1 unit (correction) = 5 units Novolog.
B. 5.5 units novolog: This would be incorrect because it adds an extra 0.5 units without a clear justification based on either the carbohydrate coverage or the blood glucose correction scale.
C. 4 units novolog: This is incorrect because it only accounts for the insulin needed to cover the carbohydrates in the meal and does not include the necessary 1-unit correction for her elevated blood glucose level.
D. 2.5 units novolog: This is incorrect as it significantly underestimates the insulin needed for both meal coverage and blood glucose correction. It doesn't accurately reflect either the carbohydrate content of the meal or the correction needed based on the provided scale.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Anxiety reduction through the mother's presence can significantly ease respiratory distress and promote comfort in a toddler with LTB.
B. While separation can be stressful, the primary focus in acute LTB is supporting respiratory function.
C. While mothers may experience guilt, the priority is the child's comfort and care.
D. While observation is important, the mother's calming presence is more beneficial for easing anxiety.
Correct Answer is B
Explanation
A. Urine creatinine is used to assess kidney function and is not helpful in diagnosing CF.
B. The sweat chloride test is the gold standard for diagnosing cystic fibrosis. Elevated chloride levels in sweat are characteristic of CF.
C. Serum calcium levels are not specific to CF diagnosis.
D. Bronchoscopy is used for assessing airway involvement but is not the primary test for diagnosing CF.
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