Which hormone is responsible for regulating the process of spermatogenesis?
Follicle Stimulating Hormone (FSH)
Luteinizing Hormone (LH)
Estrogen
Progesterone
The Correct Answer is A
A. Follicle Stimulating Hormone (FSH): FSH directly stimulates Sertoli cells in the testes to support sperm development and the process of spermatogenesis .
B. Luteinizing Hormone (LH): LH stimulates Leydig cells to produce testosterone, which indirectly supports spermatogenesis, but LH itself is not the primary regulator of the spermatogenic process.
C. Estrogen: Estrogen is present in males in small amounts (via aromatization of androgens) and has modulatory roles, but it is not the main hormone regulating spermatogenesis.
D. Progesterone: Progesterone has little to no direct role in regulating spermatogenesis in males.
Nursing Test Bank
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Related Questions
Correct Answer is A
Explanation
A. Regulating body temperature of the testes:Correct -the scrotum suspends the testes and adjusts their position to keep testicular temperature slightly below core body temperature, which is necessary for optimal sperm production.
B. Storing urine:Incorrect -urine is stored in the urinary bladder, not in the scrotum.
C. Producing sperm: Incorrect -sperm are produced in the seminiferous tubules inside the testes; the scrotum is a protective/powerful thermoregulatory sac, not the sperm-producing tissue.
D. Carrying sperm to the urethra: Incorrect -ducts such as the vas (ductus) deferens carry sperm toward the urethra; the scrotum does not transport sperm.
Correct Answer is ["C","D","E"]
Explanation
A. Converted to carbon monoxide: CO (carbon monoxide) is a different gas and is not a product or transport form of CO₂.
B. Bind to myoglobin: Myoglobin primarily binds O₂ within muscle cells; CO₂ transport by myoglobin is not a main mechanism.
C. Binds to hemoglobin: CO₂ can bind to hemoglobin (forming carbaminohemoglobin) as one transport form.
D. Converted to bicarbonate ions: Most CO₂ is converted to bicarbonate (HCO₃⁻) in red blood cells and transported in plasma.
E. Dissolved in plasma: A small proportion of CO₂ is carried dissolved directly in plasma.
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