Anatomy and Physiology II Practice Test

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Prepare for the Anatomy and Physiology II Exam with engaging quizzes. Study with flashcards and detailed questions, accompanied by explanations. Ensure your readiness for the test and boost your confidence to succeed!

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What hormone is primarily responsible for the development of male secondary sexual characteristics?

Estrogen
Testosterone
Progesterone
Luteinizing hormone

The correct answer is: Testosterone

Testosterone is the primary hormone responsible for the development of male secondary sexual characteristics. This includes features such as increased muscle mass, deepening of the voice, facial and body hair growth, and changes in fat distribution. Testosterone is produced primarily in the testes and is a key player in male sexual differentiation during puberty. During this stage of development, testosterone levels increase significantly, leading to these physiological changes that are characteristic of mature males. Additionally, testosterone plays a role in the maintenance of these characteristics throughout adulthood. While estrogen, progesterone, and luteinizing hormone have important roles in the body, they are not primarily responsible for the development of male secondary sexual characteristics. Estrogen is more associated with female reproductive functions and characteristics, while progesterone also plays a significant role in female reproductive health. Luteinizing hormone is involved in regulating the production of testosterone but is not the hormone that drives the development of masculine traits.