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 D
Explanation
A. Secreted in response to elevated glucose levels: T3 and T4 regulate metabolism, not glucose.
B. Secreted in response to decreasing calcium blood levels: This describes PTH, not T3/T4.
C. Secreted by the parathyroid gland: T3 and T4 are secreted by the thyroid gland.
D. Secreted by the thyroid gland: T3 (triiodothyronine) and T4 (thyroxine) are thyroid hormones involved in metabolic regulation.
Correct Answer is D
Explanation
A. Chorionic gonadotropin:
This hormone is produced during pregnancy and supports the corpus luteum but is not involved in male secondary sex characteristics or spermatogenesis.
B. Progesterone:
Progesterone is a female hormone involved in preparing the uterus for pregnancy, not male sexual development or sperm production.
C. ACTH:
Adrenocorticotropic hormone stimulates the adrenal cortex to produce cortisol; it does not affect male sex characteristics.
D. Testosterone:
Testosterone is the main male sex hormone responsible for sperm formation and the development of male secondary sex characteristics.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.