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An element with an atomic number of 22 has how many electrons in the second principal quantum number level (L shell)?

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A 45-year-old electrical engineer presents to your clinic, complaining of spots on his scrotum. He first noticed the spots several months ago, and they have gotten bigger. He denies any pain with urination or with sexual intercourse. He has had no fever, night sweats, weight gain, or weight loss. His past medical history consists of a vasectomy 10 years ago and mild obesity. He is on medication for hyperlipidemia. He denies any tobacco or illegal drug use and drinks alcohol socially. His mother has Alzheimer's disease and his father died of leukemia. On examination he appears relaxed and has unremarkable vital signs. On visualization of his penis, he is circumcised and has no lesions on his penis. Visualization of his scrotum shows three yellow nodules 2-3 millimeters in diameter. During palpation they are firm and nontender. What abnormality of the male genitalia is this most likely to be?A) Condylomata acuminataB) Syphilitic chancreC) Peyronie's diseaseD) Epidermoid cysts

A 15-year-old high school football player is brought to your office by his mother. He is complaining of severe testicular pain since exactly 8:00 am. He denies any sexual activity & states that he hurts so bad he can't even urinate. He is nauseated & throwing up. He denies any recent illness or fever. His past medical history is unremarkable. He denies any tobacco, alcohol, or drug use. On examination you see a young teenager lying on the bed with an emesis basin. He is very uncomfortable & keeps shifting his position. His blood pressure is 150/100, his pulse is 110, and his respirations are 24. On visualization of the penis he is circumcised and there are no lesions and no discharge from the meatus. His scrotal skin is tense & red. Palpation of left testicle causes severe pain & patient begins to cry. His prostate examination is unremarkable. His cremasteric reflex is absent on the left but is normal on the right. By catheter you get a urine sample and the analysis is unremarkable. You send the boy with his mother to ER for further workup. What is the most likely diagnosis for this young man's symptoms?A) Acute orchitisB) Acute epididymitisC) Torsion of spermatic cord D) Prostatitis

A 36-year-old security officer comes to your clinic, complaining of a painless mass in his scrotum. He found it 3 days ago during a testicular self-examination. He has had no burning with urination and no pain during sexual intercourse. He denies any weight loss, weight gain, fever, or night sweats. His past medical history is notable for high blood pressure. He is married and has three healthy children. He denies using illegal drugs, smokes two to three cigars a week, and drinks 6-8 alcoholic beverages per week. His mother is in good health and his father had high blood pressure and coronary artery disease. On physical examination he appears anxious but in no pain. His vital signs are unremarkable. On visualization of his penis, he is circumcised and has no lesions. His inguinal region has no lymphadenopathy. Palpation of his scrotum shows a soft cystic-like lesion measuring 2 cm over his right testicle. There is no difficulty getting a gloved finger through either inguinal ring. With weight bearing there are no bulges. His prostate examination is unremarkable.What disorder of the scrotum does he most likely have?A) HydroceleB) Scrotal herniaC) Testicular tumor D) Varicocele

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