Which of the following instructions should a medical assistant give to a patient who is scheduled for a GTT?
"Avoid alcohol for 48 hours prior to the test."
"Do not eat for 8 hours prior to the test."
"Limit physical exertion for 24 hours prior to the test."
"Eat a high carbohydrate meal 3 hours prior to the test."
The Correct Answer is B
A. "Avoid alcohol for 48 hours prior to the test.": While avoiding alcohol may be generally recommended for some tests, fasting is the primary requirement for a glucose tolerance test (GTT).
B. "Do not eat for 8 hours prior to the test.": A GTT typically requires fasting for 8-12 hours to accurately measure glucose levels.
C. "Limit physical exertion for 24 hours prior to the test.": Physical exertion is not typically a specific concern for a GTT, but fasting is essential.
D. "Eat a high carbohydrate meal 3 hours prior to the test.": A high carbohydrate meal is not required; fasting is necessary before the test.
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Correct Answer is D
Explanation
A. "This test measures my estrogen serum ratio after menopause." ESR stands for erythrocyte sedimentation rate, not estrogen serum ratio. This is an incorrect interpretation of the test.
B. "This test measures the fluctuation of serum protein." The ESR does not directly measure serum protein levels. It measures the rate at which red blood cells sediment in a period of one hour.
C. "This test measures my hemoglobin levels." Hemoglobin levels are measured by a hemoglobin test, not an ESR. This statement is incorrect.
D. "This test measures the distance my RBCs have dropped." This is the correct understanding. ESR measures the rate at which red blood cells settle at the bottom of a test tube over a specified period, indicating the distance the RBCs have dropped.
Correct Answer is B
Explanation
A. 9 to 13 g/dL: This range is below the normal hemoglobin values for an adult male and may indicate anemia.
B. 14 to 18 g/dL: This is the normal range for hemoglobin in an adult male, reflecting healthy oxygen-carrying capacity of the blood.
C. 19 to 22 g/dL: This range is above the normal values and may indicate polycythemia or other conditions leading to increased red blood cell production.
D. 23 to 26 g/dL: This is a significantly elevated level, which is rare and could indicate severe health conditions or laboratory error.