Which of the following consists of a midpiece, head, and flagella?
Ovum
Fallopian tubes
Zygote
Sperm
The Correct Answer is D
A. Ovum: The ovum is the female gamete, which is round and lacks a midpiece, head, or flagella.
B. Fallopian tubes: These are female reproductive structures, not cells.
C. Zygote: A zygote is the cell formed after fertilization, without a midpiece or flagella.
D. Sperm: A sperm cell has a head (with genetic material), midpiece (with mitochondria), and flagellum (tail for movement).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Estrogen: Promotes secondary sex characteristics and egg maturation.
B. Androgen: Male sex hormones like testosterone.
C. ICSH: Stimulates testosterone in males; not female-specific.
D. hCG: Maintains corpus luteum in pregnancy; doesn't initiate egg development.
Correct Answer is B
Explanation
A. Causes the release of hormones that form the Graafian follicle: Hormones like FSH and LH stimulate the development of the Graafian follicle; ovulation is the release of an egg from it.
B. Normally occurs on day 14 of a 28-day cycle: Ovulation typically occurs mid-cycle around day 14.
C. Normally occurs on day 28 of a 28-day cycle: Day 28 is usually the end of the cycle when menstruation begins, not ovulation.
D. Is caused by the secretion of hCG: Ovulation is triggered by a surge in luteinizing hormone (LH), not hCG.
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