In what structure does sperm maturation take place?
Urethra
Vas deferens
Ejaculatory ducts
Epididymis
The Correct Answer is D
A. Urethra:
The urethra is the passageway for urine and semen but not where sperm matures.
B. Vas deferens:
The vas deferens transports mature sperm but does not play a role in maturation.
C. Ejaculatory ducts:
These ducts conduct sperm to the urethra but do not aid in maturation.
D. Epididymis:
The epididymis is the site where sperm mature and are stored.
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Related Questions
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.
Correct Answer is A
Explanation
A. Hypothyroidism / overweight: Hypothyroidism leads to slowed metabolism, fatigue, and weight gain.
B. Hyperglycemia / underweight: Hyperglycemia relates to blood glucose, not thyroid function.
C. Hypoglycemia / underweight: This describes low blood sugar, unrelated to thyroid activity.
D. Hyperthyroidism / overweight: Hyperthyroidism typically causes weight loss, not weight gain.
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