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37-year-old male consults his physician about the different aspects that may affect ejaculation. He explains that the ejaculatory duct, prostate, seminal vesicles, and pelvic muscles all contribute to ejaculation. As a medical student you will also point out that the seminal vesicles: Answers A E A transports sperm B its arterial supply comes from the superior rectal artery C stores sperm D empties into the urethra via the ejaculatory duct E secretes a thick acid fluid with glucose 9 A a 0

During a football game, a 20-year-old wide receiver was illegally blocked by a linebacker, who threw himself against the posterolateral aspect of the runner's legs. The wide receiver grasped his knees and was in obvious pain. The teams's physician suspects an unhappy triad. Which of the following knee structure is involved in this lesion and usually prevents hyperextension of the knee? Answers A-E A posterior cruciate ligament B anterior cruciate ligament C posterior meniscofemoral ligament Doblique popliteal ligament E tibial collateral ligament 3 B

During the later stages of pregnancy, maternal blood is separated from fetal blood by which of the following? Answers A-E A syncytiotrophoblast and cytotrophoblast B cytotrophoblast only C syncytiotrophoblast and fetal endothelium D syncytiotrophoblast only E cytotrophoblast and fetal endothelium O