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 A
Explanation
A. Allow the solution to flow from the inner to the outer canthus: This technique helps to flush out debris and contaminants while avoiding the spread of the solution into the unaffected eye.
B. Fill the syringe with 10 mL of the irrigating solution. The volume of the irrigating solution may vary, but 10 mL is not a standard quantity; the key is ensuring adequate flushing.
C. Don powdered gloves: Powdered gloves can cause irritation; non-powdered gloves are recommended for eye irrigation.
D. Direct the irrigation solution toward the cornea: The solution should not be directed toward the cornea to avoid damage; it should flow gently across the eye.
Correct Answer is D
Explanation
A. Physicians' Desk Reference: The Physicians' Desk Reference (PDR) provides drug information and is not used for diagnostic coding. It includes details about medications, such as their uses, dosages, and side effects.
B. CPT manual: The CPT (Current Procedural Terminology) manual is used to find codes for procedures and services provided by healthcare professionals, not diagnostic codes.
C. HCPCS: The Healthcare Common Procedure Coding System (HCPCS) is primarily used for coding supplies, equipment, and services not included in the CPT manual. It is not used for diagnostic coding.
D. ICD-10-CM coding manual: The ICD-10-CM (International Classification of Diseases, 10th Revision, Clinical Modification) manual is the correct reference for finding diagnostic codes, including those for arteriosclerotic heart disease.