Human Reproductive System pdf NCERT

Human Reproductive System pdf NCERT Related

Review Human Reproductive System pdf NCERT related questions and content

Female infertility can be caused by hormonal problems, blocked fallopian tubes, and

  • A. a cold
  • B. lack of appetite
  • C. irregular menstrual cycles
  • D. STDs
Correct Answer: D

Rationale: The correct answer is D: STDs. Sexually transmitted diseases (STDs) can lead to pelvic inflammatory disease (PID) which can cause scarring and blockage of the fallopian tubes, leading to female infertility. STDs such as chlamydia and gonorrhea can also cause damage to the reproductive organs, affecting fertility. Therefore, STDs are a significant factor contributing to female infertility.

A: A cold is a common viral infection that does not directly impact female fertility.
B: Lack of appetite is not a known cause of female infertility.
C: Irregular menstrual cycles can be a symptom of hormonal imbalances but may not directly lead to infertility.

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What excess cellular component do spermatids shed to become sperm during spermiogenesis?

  • A. DNA
  • B. Cytoplasm
  • C. Flagellum
  • D. Mitochondria
Correct Answer: B

Rationale: During spermiogenesis, spermatids shed excess cytoplasm to become mature sperm. This process helps streamline the sperm structure for efficient motility and fertilization. DNA (choice A) is essential for sperm function and remains within the sperm. The flagellum (choice C) is actually a necessary structure for sperm motility. Mitochondria (choice D) play a crucial role in providing energy for sperm movement. Shedding excess cytoplasm ensures that the mature sperm is streamlined and optimized for its specific functions.

When a nurse is educating a group of women about the risks of breast cancer, she includes which of the following common risk factor?

  • A. Older than 30 years of age
  • B. Family history of breast cancer
  • C. African-American heritage
  • D. Breast tenderness, without any sensation
Correct Answer: B

Rationale: Family history is a well-established risk factor for breast cancer.

The Fallopian tubes:

  • A. are pair muscular-membranous ducts;
  • B. are part of the female genital ducts;
  • C. are located between ovary and uterus;
  • D. capture the ovule released by the ovary;
Correct Answer: C

Rationale: The correct answer is C because the Fallopian tubes are indeed located between the ovary and the uterus. This is essential for the transportation of the released ovum from the ovary to the uterus for possible fertilization. Choice A is incorrect as the Fallopian tubes are not solely muscular-membranous ducts; they have ciliated epithelial cells aiding in the movement of the ovum. Choice B is too broad, as the Fallopian tubes are just one part of the female reproductive system. Choice D is incorrect because the Fallopian tubes do not capture the ovule; rather, they provide a pathway for its transport.

Which of the following factors increase the risk of prostate cancer?

  • A. A low-fat diet
  • B. Alcohol and caffeine consumption
  • C. Living an inactive lifestyle
  • D. Smoking habits
Correct Answer: C

Rationale: An inactive lifestyle is associated with an increased risk of prostate cancer.

A nurse identifies a client with an abnormal lab test that screens for prostate cancer. What is the test that the client will receive to screen for prostate cancer?

  • A. PAS
  • B. APS
  • C. PSA
  • D. PCA
Correct Answer: C

Rationale: PSA (Prostate-Specific Antigen) is the standard screening test for prostate cancer.

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