Questions: Which layer of tissue separates or divides the testes into lobules? - Tunica vaginalis - Tunica albuginea - Dartos - Superficial fascia Which of the following statements concerning the menstrual cycle is TRUE? - The corpus luteum will eventually decay into the corpus albicans if the female is not pregnant - Progesterone released from the developing follicle during the pre-ovulatory phase is responsible for the development of the stratum functionalis - hCG from the follicle keeps the corpus luteum alive when the female is pregnant - Both A C - All of the above

Question 1: Which layer of tissue separates or divides the testes into lobules?

The answer is the second one (B): Tunica albuginea.

Explanation:

• Tunica vaginalis: This is a serous membrane that covers the testes but does not divide them into lobules.
• Tunica albuginea: This is a dense layer of connective tissue that surrounds the testes and extends inward to form septa, which divide the testes into lobules.
• Dartos: This is a layer of smooth muscle found in the scrotum, not involved in dividing the testes into lobules.
• Superficial fascia: This is a layer of connective tissue beneath the skin, not involved in dividing the testes into lobules.

Question 2: Which of the following statements concerning the menstrual cycle is TRUE?

The answer is the first one (A): The corpus luteum will eventually decay into the corpus albicans if the female is not pregnant.

Explanation:

• A) The corpus luteum will eventually decay into the corpus albicans if the female is not pregnant: This statement is true. If pregnancy does not occur, the corpus luteum degenerates into the corpus albicans.
• B) Progesterone released from the developing follicle during the pre-ovulatory phase is responsible for the development of the stratum functionalis: This statement is incorrect. Estrogen, not progesterone, is primarily responsible for the development of the stratum functionalis during the pre-ovulatory phase.
• C) $hCG$ from the follicle keeps the corpus luteum alive when the female is pregnant: This statement is incorrect. Human chorionic gonadotropin (hCG) is produced by the placenta, not the follicle, and it maintains the corpus luteum during early pregnancy.
• D) Both A & C: This is incorrect because statement C is incorrect.
• E) All of the above: This is incorrect because not all statements are true.

In summary, the correct answers are:

1. Tunica albuginea
2. A) The corpus luteum will eventually decay into the corpus albicans if the female is not pregnant