COURSE QUESTIONS AND ANSWERS 1. What is the purpose of the dartos and cremaster muscles? a. To regulate testicular temperature b. To contract during ejaculation c. To protect the scrotal contents d. To propel sperm to their maturation site in the scrotum 2. What is the tough outer layer of the testis itself? a. Parietal tunica vaginalis b. Visceral tunica vaginalis c. Seminiferous tubule d. Tunica albuginea 3. What does the term cryptorchidism mean? a. Failure of the testes to develop in utero b. Failure of the testes to descend in utero c. Failure of separation of the scrotum into two compartments d. Development of a dilated vein or veins in the scrotum 4. What structure forms the blood-testes barrier to prevent autoantibodies to get to the developing male sperm cells? a. Rete testes b. Tunica albuginea c. Sertoli cells d. Tunica vaginalis
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