HESI RN
Reproductive System Exam Questions
1. _______ is a lytic enzyme released by the sperm.
- A. Hyaluronidase
- B. Trypsin
- C. Helicase
- D. None of the above
Correct answer: A
Rationale: Hyaluronidase is the correct answer. It is a lytic enzyme released by the sperm to help penetrate the egg's protective layer. Trypsin is a digestive enzyme produced in the pancreas, not released by sperm. Helicase is an enzyme involved in DNA replication, not released by sperm. 'None of the above' is incorrect as hyaluronidase fits the description provided in the question.
2. Which of these methods can be used for the transfer of zygote or early embryo into the fallopian tube?
- A. GIFT
- B. IUT
- C. ZIFT
- D. ICSI
Correct answer: C
Rationale: The correct answer is C, ZIFT (Zygote Intrafallopian Transfer). ZIFT involves transferring a zygote or early embryo into the fallopian tube. GIFT (Gamete Intrafallopian Transfer - A) involves transferring unfertilized eggs and sperm into the fallopian tube for fertilization to occur inside the woman's body, not a zygote or early embryo. IUT (Intrauterine Transfer - B) is not specifically for transferring the zygote or early embryo into the fallopian tube, but rather into the uterus. ICSI (Intracytoplasmic Sperm Injection - D) is a technique where a single sperm is injected directly into an egg, not related to transferring embryos into the fallopian tube.
3. The Wolffian duct is also known as ____________.
- A. Mesonephric duct
- B. Ejaculatory duct
- C. Major sublingual duct
- D. Cystic duct
Correct answer: A
Rationale: The correct answer is A: Mesonephric duct. The Wolffian duct is indeed also known as the mesonephric duct. This duct plays a vital role in the development of the male reproductive system by carrying sperm from the epididymis to the ejaculatory duct. Choice B, Ejaculatory duct, is incorrect as it refers to a different duct responsible for transporting semen from the vas deferens. Choices C and D, Major sublingual duct and Cystic duct, are unrelated to the Wolffian duct and are not correct answers in this context.
4. Which department of the Government ministries was given the mandate to pilot a draft population policy?
- A. The department of planning and development
- B. National census
- C. Human rights
- D. Central statistics
Correct answer: A
Rationale: The correct answer is A: The department of planning and development. In the extract provided, it explicitly mentions that this department was tasked with piloting the population policy. The other choices are incorrect because the National census is primarily responsible for collecting demographic data, Human rights focus on ensuring and protecting human rights, and Central statistics deal with statistical data collection and analysis, none of which directly align with piloting a population policy.
5. During fertilization, the portion of the decidua covering the blastocyst is called:
- A. Decidua basalis
- B. Decidua Vera
- C. Decidua parietalis
- D. Decidua capsularis
Correct answer: D
Rationale: During fertilization, the decidua capsularis is the specific portion of the decidua that covers the blastocyst, providing protection and support. Decidua basalis refers to the part of the decidua located at the site of implantation on the maternal side. Decidua vera is the remainder of the decidua lining the uterus. Decidua parietalis is the portion of the decidua that lines the rest of the uterine cavity, except for the site of implantation. Therefore, in the context of fertilization, the decidua capsularis is the correct answer.
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