Physical examination and change in body weight are used to diagnose ascites, what other measurement is used?
Swelling of feet
Urine output
Abdominal girth
Chest circumference
The Correct Answer is C
Choice A reason: Swelling of the feet, or peripheral edema, can be associated with ascites, but it is not a primary measurement used to diagnose ascites. Peripheral edema can occur due to various conditions, including heart failure, kidney disease, and venous insufficiency. It does not specifically indicate the presence of ascites, which is the accumulation of fluid in the abdominal cavity.
Choice B reason: Urine output is an important measure of renal function and fluid balance but is not directly used to diagnose ascites. Changes in urine output can indicate kidney function and fluid status but do not specifically assess fluid accumulation in the abdomen.
Choice C reason: Abdominal girth measurement is a key method used to assess and monitor ascites. Measuring the circumference of the abdomen can help quantify the amount of fluid accumulation. An increase in abdominal girth over time is a strong indicator of ascites and can be used to track the progression or resolution of the condition. This method is simple, non-invasive, and effective in evaluating the severity of ascites.
Choice D reason: Chest circumference is not used to diagnose ascites. While changes in chest circumference can indicate respiratory or thoracic conditions, they do not provide information about fluid accumulation in the abdominal cavity. Ascites is specifically related to the abdomen, and measurements of abdominal girth are more relevant and informative in this context.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Positive feedback mechanisms amplify changes or deviations in the body. They are less common in physiological processes and typically drive processes to completion, such as childbirth and blood clotting. The regulation of blood glucose levels does not operate on a positive feedback mechanism.
Choice B reason: Releasing hormones are typically involved in the hypothalamic-pituitary axis and the regulation of hormone secretion from other endocrine glands. Examples include thyrotropin-releasing hormone (TRH) and gonadotropin-releasing hormone (GnRH). Insulin secretion in response to blood glucose levels is not directly controlled by releasing hormones.
Choice C reason: Negative feedback is the primary mechanism by which homeostasis is maintained in the body. When blood glucose levels rise, the pancreas secretes insulin to lower blood glucose levels, restoring them to normal. This is an example of negative feedback, as the increase in glucose levels triggers a response (insulin secretion) that counteracts the initial change, bringing blood glucose back to its set point.
Choice D reason: Ectopic hormones are hormones produced by tissues that normally do not produce hormones, often in cases of tumors or certain disease conditions. The regulation of insulin in response to blood glucose levels does not involve ectopic hormone production.
Correct Answer is D
Explanation
Choice A reason: Fasting blood glucose measures the blood sugar level after an individual has not eaten for at least 8 hours. While it provides a snapshot of current blood glucose levels, it does not reflect long-term blood glucose control.
Choice B reason: Urinalysis can detect the presence of glucose or ketones in the urine, which can indicate poor blood glucose control. However, it does not provide a direct measure of blood glucose levels over time and is not the best predictor of long-term control.
Choice C reason: Feasting (postprandial) blood glucose measures blood sugar levels after eating. It can indicate how well the body manages glucose after a meal but does not provide information about overall blood glucose control over the previous few months.
Choice D reason: Hemoglobin A1C, also known as HbA1c, measures the percentage of glycated hemoglobin in the blood. It reflects the average blood glucose levels over the past 2-3 months. This test is considered the best predictor of long-term blood glucose control because it provides a comprehensive view of blood sugar management over an extended period. The normal range for HbA1c is typically below 5.7% for individuals without diabetes.
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