This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Physiology
[{'content': 'A lab technician notes that prolactin levels in a patients, blood sample is high. This could be due to all except \nSelect and explain. \nA. Sleep, B. Pregnancy, C. Stress, D. L-dopa', 'role': 'user'}, {'content': 'Answer: D \nExplanation: L-Dopa decreases prolactin secretion by increasing the formation of dopamine (prolactin inhibitory hormone) Increased Prolactin Secretion Decreased Prolactin Secretion Sleep Dopamine Stress L-Dopa Strenous excercise Apomorphine Sexual intercourse in women Bromocriptine and related ergot derivatives Preganancy Nursing Breast stimulation in non-lactating women Estrogen Hypothyroidism TRH Phenothiazines, Butyrophenes Opioids&; Ref: Guyton and Hall 13th edition Pgno: 942', 'role': 'assistant'}]