A nurse is providing teaching to a client who recently had a hemoglobin A1c level obtained. Which of the following statements should the nurse include in the teaching?
"This lab measures your average blood glucose over a 3-month period."
"An increase in your hemoglobin A1c level indicates glycemic control."
"This lab value is a good indicator of short-term nutritional status."
"You will need to fast before getting this test."
The Correct Answer is A
A. "This lab measures your average blood glucose over a 3-month period." The hemoglobin A1c test reflects the average blood glucose levels over the past 2 to 3 months by measuring the percentage of glucose attached to hemoglobin in red blood cells. Since red blood cells have a lifespan of about 120 days, this test provides a long-term view of glycemic control.
B. "An increase in your hemoglobin A1c level indicates glycemic control." An increase in hemoglobin A1c levels actually indicates poor glycemic control, not improvement. Higher values mean blood glucose has been elevated over time, which can lead to complications such as neuropathy, nephropathy, and retinopathy in diabetic patients.
C. "This lab value is a good indicator of short-term nutritional status." The hemoglobin A1c test is not used to assess short-term nutritional status. Instead, it measures long-term blood glucose trends. For evaluating short-term changes in nutrition, blood glucose logs or postprandial glucose readings are better tools to use.
D. "You will need to fast before getting this test." Fasting is not required for the hemoglobin A1c test. The result is not affected by recent food intake, making it convenient for patients. This feature makes it more practical than fasting plasma glucose or oral glucose tolerance tests when assessing overall glycemic control in diabetes management.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Offer the client a selection of beverages at each meal: Providing a variety of beverages may offer hydration and a sense of control, but clients with anorexia nervosa often use fluids to avoid calorie-dense solid foods. This approach can reinforce avoidance behaviors and does not contribute meaningfully to nutritional rehabilitation or psychological recovery.
B. Inform the client that a weight gain of 2.3 kg (5 lb) per week is expected: A weight gain goal of 2.3 kg per week is too aggressive and may provoke anxiety or resistance from the client. A slower, more gradual goal of 0.5 to 1 kg (1 to 2 lb) per week is considered safer and more psychologically tolerable. Unrealistic expectations can harm rapport and may lead to nonadherence or relapse.
C. Arrange for someone to remain with the client for 30 min after meals: Monitoring after meals is essential to prevent purging or other compensatory behaviors. The standard is 60 to 90 minutes post-meal observation to address delayed attempts at purging or exercising. Thus, while well-intentioned, this time frame is insufficient.
D. Encourage the client to participate in developing dietary goals: Involving the client in setting dietary goals promotes a sense of autonomy, collaboration, and ownership in the recovery process. This approach is therapeutic, reduces power struggles, and helps build trust between the nurse and the client.
Correct Answer is A
Explanation
A. Hypothyroidism: Phenylketonuria (PKU) screening helps detect elevated phenylalanine levels, which, if untreated, can lead to irreversible intellectual disability. Early dietary intervention prevents neurodevelopmental delays, a hallmark consequence of untreated PKU that mimics effects seen in congenital hypothyroidism.
B. Growth restriction: While PKU may indirectly affect growth if untreated, the primary concern is neurological damage, not intrauterine or postnatal growth restriction, which is influenced by multiple other factors.
C. Sickle cell anemia: Sickle cell anemia is a genetic blood disorder involving abnormal hemoglobin structure. It is screened for separately from PKU and is unrelated to phenylalanine metabolism.
D. Hypoglycemia: Hypoglycemia in newborns typically results from conditions like maternal diabetes or endocrine disorders. It is not a complication of phenylalanine metabolism and is unrelated to PKU screening.
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