A provider orders an ESR to be performed on a patient and describes the test to the patient. Which of the following statements made by the patient indicates an understanding of the teaching?
"This test measures my estrogen serum ratio after menopause."
"This test measures the fluctuation of serum protein."
"This test measures my hemoglobin levels."
"This test measures the distance my RBCs have dropped."
The Correct Answer is D
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.
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Correct Answer is D
Explanation
A. Attention line: The attention line directs the letter to a specific person or department and does not serve as a greeting.
B. Inside address: The inside address includes the recipient’s address and is placed before the salutation but does not serve as a greeting.
C. Signature block: The signature block is where the sender signs the letter and provides their name and title, not the greeting.
D. Salutation: The salutation is the part of the letter where the writer greets the recipient, such as “Dear Dr. Smith,”.
Correct Answer is B
Explanation
A. Nails no longer than 1⁄2 inch: While nails should be kept short and clean, this answer does not directly address the CDC’s recommendations for hand hygiene.
B. Using alcohol-based hand sanitizer with at least 60% alcohol: The CDC recommends using alcohol-based hand sanitizers with at least 60% alcohol for effective hand hygiene.
C. Washing visibly soiled hands with soap and water for 3 to 5 min: Hand washing should be performed for 20 seconds with soap and water, not 3 to 5 minutes. The duration mentioned is excessive and not in line with standard guidelines.
D. Artificial nails without cracks or chips: The CDC advises against wearing artificial nails when providing patient care, as they can harbor bacteria and pose an infection risk.