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.
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Naxlex Comprehensive Predictor Exams
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Correct Answer is C
Explanation
A. A low erythrocyte sedimentation rate (ESR) is not typical in Kawasaki disease; the ESR is usually elevated due to inflammation.
B. Abdominal pain and vomiting can occur, but they are not as classic as the fever, "strawberry tongue", and peeling of palms and soles.
C. Fever, "strawberry tongue", and peeling palms and soles are classic signs of acute Kawasaki disease, reflecting inflammation and mucocutaneous involvement.
D. Coarse breath sounds and abnormal ECG may occur, but are not primary features of Kawasaki disease; joint pain can occur but is usually less prominent.
Correct Answer is A
Explanation
A. Albuterol is a bronchodilator that works by relaxing bronchial smooth muscles to relieve bronchospasm and improve airflow.
B. Albuterol does not directly affect mucus production.
C. Albuterol is a bronchodilator, not an anti-inflammatory agent. It does not decrease inflammation in the bronchioles.
D. Albuterol does not directly affect the respiratory rate, but it improves airflow and oxygenation indirectly by relieving bronchospasm.
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