Final answer:
The most appropriate screening test for this patient is mammogram.
Step-by-step explanation:
The most appropriate screening test for this patient, in addition to performing a Pap smear, is mammogram. A mammogram is a screening test used to detect breast cancer in women. Given the patient's age, it is important to screen for breast cancer as part of her health maintenance examination. It is recommended that women undergo regular mammograms starting at the age of 40 or earlier if they have risk factors.