An RN preceptor is reviewing blood sugar control with a newly graduated nurse. Which of the following represents the normal process of how the body regulates blood sugar levels:

As sugar levels in the blood rise, the pancreas releases Insulin to move sugar into the cells

The liver is the main organ of blood sugar control in the body

As sugar levels in the blood fall, the pancreas releases Insulin to move sugar into the cells

As sugar levels in the blood rise, the liver releases Glucagon to move sugar into the cells

Answer and Explanation

The Correct Answer is A

A.   When blood sugar levels increase, the pancreas releases insulin. Insulin helps glucose move from the bloodstream into the cells for energy.
B.   While the liver plays a crucial role in blood sugar regulation, the pancreas and its hormones, insulin and glucagon, are primarily responsible.
C.   When blood sugar levels fall, the pancreas releases glucagon, not insulin.
D.   Glucagon is released when blood sugar levels are low, not high.

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Correct Answer is A

Explanation

A. A random blood glucose level greater than 200 mg/dL suggests diabetes. However, it's important to note that this is not a definitive diagnosis and often requires further testing, such as a fasting blood glucose test or an oral glucose tolerance test.
B. <100 is a normal range for a fasting blood glucose test, not a random one.
C. <10 is an abnormally low blood glucose level, indicating hypoglycemia.
D. >100 range is too broad to determine if diabetes is likely.

A. Troponin I & T B. Myoglobin C. BNP D. CK-MB isoenzymes

Correct Answer is A

Explanation

A. These are the most specific and sensitive markers for diagnosing a heart attack. They are released into the bloodstream when heart muscle is damaged.
B. Myoglobin is an early marker of heart muscle damage, but it is less specific than troponin and can be elevated in other conditions.
C. B-type natriuretic peptide is a hormone primarily used to diagnose heart failure, not acute myocardial infarction (heart attack).
D. Creatine kinase-MB is an older marker for heart damage, but it is less specific than troponin and takes longer to rise in the blood.

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An RN preceptor is reviewing blood sugar control with a newly graduated nurse. Which of the following represents the normal process of how the body regulates blood sugar levels:

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Naxlex Comprehensive Predictor Exams

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Explanation

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Correct Answer is A

Explanation

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