A school nurse is assessing an adolescent who reports feeling shaky and is having difficulty speaking and concentrating on the questions the nurse is asking. The nurse checks the adolescent's blood glucose level and identifies a value of 55 mg/dL. Which of the following findings should the nurse expect?
Polyuria
Deep rapid respirations
Dry, flushed skin
Tachycardia
The Correct Answer is D
A. Polyuria (excessive urination) is not a symptom of hypoglycemia; it is more commonly associated with hyperglycemia (high blood sugar).
B. Deep rapid respirations are more characteristic of diabetic ketoacidosis (DKA), a complication of uncontrolled diabetes that leads to high blood sugar levels and metabolic acidosis.
C. Dry, flushed skin is not a typical symptom of hypoglycemia; it might be associated with conditions like dehydration or heat exposure, but not with low blood sugar.
D. Tachycardia
Explanation: The symptoms described by the adolescent (feeling shaky, difficulty speaking, difficulty concentrating) along with a blood glucose level of 55 mg/dL indicate hypoglycemia, which is low blood sugar. Tachycardia, or a rapid heart rate, is a common physiological response to hypoglycemia. The body increases the heart rate in an attempt to improve blood flow and deliver glucose to the brain and other vital organs. This is part of the body's fight-or-flight response to low blood sugar.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Fluid Requirement (mL/24 hours) = Weight (kg) × Fluid Requirement (mL/kg)
Given that the child weighs 70.4 pounds, we first need to convert this weight to kilograms (1 lb = 0.453592 kg):
Weight in kg = 70.4 lb × 0.453592 kg/lb ≈ 31.89 kg
Now, let's calculate the fluid requirement using the given choices:
A) 1740:
Fluid Requirement = 31.89 kg × 55 mL/kg = 1753.95 mL
B) 134056:
This number is significantly larger than any reasonable fluid requirement and is likely an error.
C) 2:
This value is far too low to represent the fluid requirements of a child.
D) 12:
This value is also too low to represent the fluid requirements of a child.
So, the correct answer is A) 1740 mL. The child's estimated daily fluid requirement would be around 1740 mL in a 24-hour period, based on a weight of 70.4 pounds.
Correct Answer is B
Explanation
A. Pallor:
Pallor refers to paleness of the skin. While it can be associated with various medical conditions, it is not a typical symptom of hyperglycemia. Pallor is more commonly seen in conditions related to anemia or circulatory issues.
B. Lethargy
Explanation:
A blood glucose level of 280 mg/dL in a school-age child indicates hyperglycemia, which is an abnormally high level of glucose in the blood. Hyperglycemia commonly occurs in diabetes mellitus, specifically in Type 1 or Type 2 diabetes. Lethargy is a symptom associated with high blood glucose levels. It is characterized by a state of extreme tiredness, sluggishness, and reduced responsiveness. Hyperglycemia can lead to an inadequate supply of glucose to the brain cells, which can result in lethargy and confusion.
C. Shallow respirations:
Shallow respirations typically do not directly correlate with high blood glucose levels. Hyperglycemia's primary symptoms are related to changes in metabolism and glucose utilization, and it doesn't usually affect respiratory patterns in the same way that, for instance, respiratory distress might occur with conditions like ketoacidosis in diabetes.
D. Tremors:
Tremors, or uncontrollable shaking or trembling, are more commonly associated with hypoglycemia (low blood glucose levels) rather than hyperglycemia. Low blood glucose levels can cause the body to release adrenaline, leading to symptoms like tremors, anxiety, and sweating.
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