[Solved] A 4-year-old boy is brought to the office for routine evaluation of a heart murmur. The patient has no fatigue, shortness of breath, or exercise intolerance. He has no other medical conditions and has had no surgeries. Vital signs are within normal limits. On examination, the patient has no cyanosis or clubbing of the fingers. There is a 2/6 holosystolic murmur best heard at the left lower sternal border. There are no rubs or gallops. Pulses are 2+ in the upper and lower extremities. Compared to an unaffected child, which of the following changes in oxygen saturation would be expected in this patient? A)A B)B C)C D)D Phallic Stage: The phallic stage is a concept in Freudian psychology referring to the period in early childhood when the libido (sexual energy) is concentrated in the genital area. Erotic Desires: Feelings of wanting or longing for sexual contact or relationships. Compensation: A strategy whereby one makes up for a deficiency in one area by excelling in another area. Alfred Adler: A psychiatrist and psychotherapist who founded the school of individual psychology and introduced concepts such as inferiority complex.