The patient's Hemoglobin A1C today is 8.29% and was 7.59% three months ago. The reference range is 4 to 5.99%. What is the likely diagnosis?
Diabetes Mellitus
Hypoglycemia
Hyperglycemia
Prediabetes
The Correct Answer is A
Choice A rationale:
Hemoglobin A1C (HbA1C) is a blood test that reflects a person's average blood glucose levels over the past 2-3 months. It's considered the gold standard for diagnosing and monitoring diabetes.
An HbA1C level of 8.29% is significantly elevated above the reference range of 4-5.99%, indicating a high probability of diabetes.
The patient's HbA1C has also increased from 7.59% three months ago, suggesting a worsening of glycemic control.
Diabetes mellitus is a chronic metabolic disorder characterized by elevated blood glucose levels due to impaired insulin production or action, or both.
Common symptoms of diabetes include increased thirst, frequent urination, fatigue, blurred vision, and slow-healing wounds.
Early diagnosis and treatment of diabetes are crucial to prevent complications such as heart disease, stroke, kidney disease, nerve damage, and vision loss.
Choice B rationale:
Hypoglycemia refers to abnormally low blood glucose levels, typically below 70 mg/dL. It's often caused by excessive insulin or medication, missed meals, or strenuous exercise.
The patient's HbA1C level of 8.29% does not support a diagnosis of hypoglycemia.
Choice C rationale:
Hyperglycemia refers to abnormally high blood glucose levels, typically above 180 mg/dL. It can be caused by diabetes, stress, infection, or certain medications.
While the patient's HbA1C level does indicate hyperglycemia, it's specifically the pattern of elevated HbA1C over time that points to a diagnosis of diabetes mellitus, rather than transient hyperglycemia.
Choice D rationale:
Prediabetes is a condition where blood glucose levels are higher than normal, but not high enough to be classified as diabetes. People with prediabetes are at increased risk of developing diabetes.
The patient's HbA1C level of 8.29% is above the threshold for prediabetes, which is typically 5.7-6.4%.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Hypothermia is a condition in which the body's core temperature falls below 95°F (35°C). It is not directly indicated by the client's vital signs as presented in the question.
Other factors that would more strongly suggest hypothermia include exposure to cold environments, immersion in cold water, or impaired thermoregulation due to conditions like hypothyroidism or alcohol intoxication.
Choice C rationale:
Hypotension is a condition in which blood pressure is abnormally low. It is also not directly indicated by the client's vital signs as presented in the question.
Hypertension, on the other hand, is a condition in which blood pressure is abnormally high.
The client's history of hypertension, and the fact that he takes enalapril (an antihypertensive medication), suggests that he may be more likely to experience hypertension than hypotension.
Choice D rationale:
Hypertension, as mentioned above, is a condition in which blood pressure is abnormally high.
While it's possible that the client is experiencing hypertension, the question specifically asks about the condition indicated by the client's vital signs.
Tachypnea, or rapid breathing, is a more direct indication of the client's respiratory distress, which is a common symptom of pneumonia.
Choice B rationale:
Tachypnea is the most likely condition indicated by the client's vital signs.
Tachypnea is often a sign of respiratory distress, which can be caused by a variety of conditions, including pneumonia. When a person has pneumonia, their lungs become inflamed and filled with fluid, making it difficult to breathe.
This can lead to rapid, shallow breathing, which is called tachypnea.
Other signs of respiratory distress that may be present in a client with pneumonia include: Coughing
Wheezing Chest pain
Feeling short of breath
Use of accessory muscles to breathe (e.g., muscles in the neck and chest) Nasal flaring
Cyanosis (a bluish tint to the skin)
Correct Answer is B
Explanation
Choice A rationale:
While some individuals with Crohn's disease may find that avoiding gluten improves their symptoms, this is not a universal recommendation.
Gluten restriction is more often indicated for those with celiac disease or gluten sensitivity.
It's important to individualize dietary recommendations based on personal triggers and sensitivities.
Choice B rationale:
An elimination diet is a systematic approach to identifying foods that may trigger or worsen Crohn's disease symptoms.
It involves removing certain foods from the diet for a period of time, typically 2-4 weeks, and then gradually reintroducing them one at a time to observe any reactions.
This process can help individuals pinpoint specific foods that contribute to their symptoms and make informed dietary choices to manage their condition.
Choice C rationale:
There is no evidence to support a general restriction of calcium and iron in individuals with Crohn's disease.
In fact, these nutrients are essential for overall health and should be consumed in adequate amounts unless a specific deficiency or intolerance is identified.
Restriction of these nutrients could lead to nutritional deficiencies.
Choice D rationale:
Fluid restriction is not a primary dietary limitation for individuals with Crohn's disease.
Maintaining adequate hydration is crucial for overall health, especially during flares when fluid loss through diarrhea may be increased.
Restricting fluids could potentially lead to dehydration and electrolyte imbalances.
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