The ovulated egg is
a tertiary follicle
a secondary follicle
a primary oocyte
a primary follicle
a secondary oocyte
The Correct Answer is E
A. a tertiary follicle: This term refers to a mature, fluid-filled antral follicle that contains the oocyte before it is released. While the tertiary follicle is the structure that ruptures, it is the cellular unit within it that is ovulated. The follicle remains in the ovary to become the corpus luteum.
B. a secondary follicle: A secondary follicle is an immature stage of follicular development characterized by the presence of a small, fluid-filled antrum. It has not yet reached the maturity required for ovulation. It contains a primary oocyte that has not yet completed its first meiotic division.
C. a primary oocyte: The primary oocyte is arrested in prophase 1 from before birth until just before ovulation. The LH surge triggers the completion of meiosis 1, transforming the primary oocyte into a secondary oocyte. Therefore, the cell released during ovulation has already progressed past the primary stage.
D. a primary follicle: This is an early stage of follicular development consisting of a primary oocyte surrounded by one or more layers of cuboidal granulosa cells. It is far from the stage of maturity required for ovulation. Many primary follicles exist in the ovary but only one typically matures monthly.
E. a secondary oocyte: Upon the LH surge, the primary oocyte completes its first meiotic division to become a secondary oocyte and a first polar body. This is the specific cell stage that is released from the ovary during ovulation. It remains arrested in metaphase 2 until fertilization occurs.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
B. true: Approximately 60 to 70 percent of semen volume is produced by the seminal vesicles, while 25 to 30 percent comes from the prostate gland. The sperm cells, along with a small amount of fluid from the epididymis, constitute only about 10 percent of the final ejaculate. This ensures the sperm are suspended in a protective, nutritive medium.
Correct Answer is A
Explanation
A. vagina: Although the vagina is often considered an internal structure, it is the only choice listed that belongs to the female reproductive system and is accessible from the exterior. In many introductory anatomical contexts, the vaginal orifice is grouped with the vulvar structures. It represents the interface between the internal organs and the external environment.
B. scrotum: The scrotum is a component of the male reproductive system that houses the testes outside the pelvic cavity. It has no anatomical presence in the female body. Its primary function is thermoregulation for spermatogenesis, which is an exclusively male physiological process.
C. seminal gland(s): These are male accessory glands that produce the majority of the fluid volume found in semen. They are located posterior to the urinary bladder in males. Females do not possess seminal vesicles or equivalent glands that produce seminal fluid components.
D. uterine tube: The uterine tubes, or fallopian tubes, are strictly internal reproductive organs located within the pelvic cavity. they connect the ovaries to the uterus and are the site of fertilization. They are not visible externally and are not classified as part of the vulva or external genitalia.
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