1. The human male reproductive system includes which of the following glands?
Answer:
Explanation:
The prostate is a part of the male reproductive system and secretes a fluid component of semen.
2. Which stage of development implants itself into the uterus?
Answer:
Explanation:
The blastocyst stage of embryonic development is the one that implants itself into the uterus.
3. The process by which sperm cells are produced is called:
Answer:
Explanation:
Spermatogenesis is the process of sperm cell production in the testes.
4. The female gamete is called:
Answer:
Explanation:
The female gamete is called the ovum or egg.
5. Which hormone triggers ovulation in females?
Answer:
Explanation:
LH surge triggers ovulation and release of the mature ovum from the ovary.
6. Fertilization usually occurs in which part of the female reproductive system?
Answer:
Explanation:
Fertilization typically takes place in the fallopian tubes, after which the zygote moves towards the uterus.
7. Which of the following provides nutrition to the developing embryo?
Answer:
Explanation:
The placenta facilitates the exchange of nutrients, oxygen, and waste products between the mother and the developing embryo/fetus.
8. What is the function of the amniotic fluid?
Answer:
Explanation:
Amniotic fluid acts as a cushion and protects the developing fetus from physical shocks.
9. The process of childbirth is also referred to as:
Answer:
Explanation:
Parturition is the process of childbirth or delivery of the baby.
10. The site of sperm maturation in males is:
Answer:
Explanation:
After their production, sperm cells mature and become motile in the epididymis.
11. The menstrual cycle is regulated by which of the following?
Answer:
Explanation:
The menstrual cycle is regulated by the hormones estrogen and progesterone.
12. Which of the following prevents the entry of multiple sperm into an ovum?
Answer:
Explanation:
The cortical reaction ensures that once one sperm enters the ovum, no others can penetrate.
13. What is the average duration of a human menstrual cycle?
Answer:
Explanation:
The average duration of a human menstrual cycle is approximately 28 days.
14. In which phase of the menstrual cycle does the endometrial lining of the uterus thicken?
Answer:
Explanation:
In the follicular phase, under the influence of estrogen, the endometrial lining thickens in preparation for potential implantation.
15. Which structure forms from the remnants of the Graafian follicle after ovulation?
Answer:
Explanation:
After ovulation, the remnants of the Graafian follicle transform into the corpus luteum.
16. The release of the ovum from the ovary is known as:
Answer:
Explanation:
Ovulation is the process of releasing a mature ovum from the ovary.
17. Which part of the sperm cell contains enzymes to facilitate penetration of the ovum?
Answer:
Explanation:
The acrosome, a cap-like structure on the head of the sperm, contains enzymes necessary for penetrating the ovum.
18. In which trimester of pregnancy is the fetus most susceptible to teratogens?
Answer:
Explanation:
The first trimester is the most critical period for organ development, and the fetus is most susceptible to teratogens during this time.
19. Which hormone maintains the uterine lining for a potential pregnancy?
Answer:
Explanation:
Progesterone maintains the uterine lining (endometrium) for a potential pregnancy.
20. Which structure serves as a connection between the fetus and the mother, allowing nutrient and gas exchange?
Answer:
Explanation:
The placenta connects the fetus to the uterine wall of the mother and facilitates the exchange of nutrients, oxygen, and waste products.