Question: A 13-year-old female comes to the nurse practitioner for a health maintenance examination. She enjoys good health and exercises regularly. Her height, weight, and vital signs are all normal. Physical examination is unremarkable except for heart auscultation, which reveals an isolated midsystolic click. Which of the following is the MOST common cause of this auscultatory finding? Group of answer choices A. Ventricular septal defect B. Congenital pulmonary stenosis C. Mitral valve prolapse D. Tricuspid regurgitation E. Coarctation of the aorta