17 Questions
What stimulates the gonads to produce sex hormones in male and female adolescents?
Luteinizing hormone (LH)
What drives the development of acne during puberty?
Adrenal androgens
Which of the following is stimulated by adrenal androgens?
Armpit hair development
Which hormones lead to the maturation of body odor during puberty?
DHEA & Adrenostenedion
Which hormonal changes lead to the growth spurt observed during puberty?
Sex hormones
What is the key hormonal change that contributes to the differences in timing of puberty onset between males and females?
LH & FSH release
What is the average age range for thelarche in girls?
10-11 years
What is the primary effect of androgens on growth?
Direct stimulation of longitudinal growth and muscle growth
At which Tanner stage do boys experience their peak height velocity?
Tanner Genital Stage 4
What percentage of final adult height is accounted for by the pubertal growth spurt?
20-30%
What is the average difference in final adult height between males and females?
~13 cm
What is the primary effect of estrogens on bone development?
Stimulation of bone mineral deposition and osteoblast activity
What percentage of mass is fat-free in females?
68%
What is the primary reason for males having greater muscle mass compared to females?
Higher peak muscle growth velocity
What hormone is responsible for wider hips in females?
Estrogen
What is the primary reason for changes in body composition and morphology after the growth spurt?
Changes in sex hormone levels
What is the percentage of mass that is fat-free in males?
82%
Test your knowledge on topics related to puberty, brain development, hormonal changes, sexual maturation, growth spurts, and differences between males and females. Includes details on the developmental ontogeny of the hypothalamic-pituitary-gonadal axis and adrenal androgen secretion.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
