Answer:
The correct option for blood tests in a patient with Graves' disease is:
• low TSH and high T4 levels.
Step-by-step explanation:
Graves' disease is an autoimmune disorder that leads to overactivity of the thyroid gland. In this condition, the immune system mistakenly attacks the thyroid gland, causing an excessive production of thyroid hormones (T4 and T3). As a result, TSH (thyroid-stimulating hormone) levels are suppressed because the high levels of thyroid hormones provide negative feedback to the pituitary gland, reducing the need for TSH.