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Module 3 Week 9: Puberty; Brain Development Part 9a Quiz

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Module 3 Week 9: Puberty; Brain Development Part 9a Quiz

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Questions and Answers

What stimulates the gonads to produce sex hormones in male and female adolescents?

Adrenocorticotropic hormone (ACTH)

Luteinizing hormone (LH) (correct)

Thyroid-stimulating hormone (TSH)

Growth hormone (GH)

What drives the development of acne during puberty?

Growth hormone (GH)

Gonadotropin hormone–releasing hormone (GnRH)

Insulin-like growth factor 1 (IGF-1)

Adrenal androgens (correct)

Which of the following is stimulated by adrenal androgens?

Breast development in females

Armpit hair development (correct)

Voice deepening in males

Menstruation in females

Which hormones lead to the maturation of body odor during puberty?

DHEA & Adrenostenedion Signup and view all the answers

Which hormonal changes lead to the growth spurt observed during puberty?

Sex hormones Signup and view all the answers

What is the key hormonal change that contributes to the differences in timing of puberty onset between males and females?

LH & FSH release Signup and view all the answers

What is the average age range for thelarche in girls?

10-11 years Signup and view all the answers

What is the primary effect of androgens on growth?

Direct stimulation of longitudinal growth and muscle growth Signup and view all the answers

At which Tanner stage do boys experience their peak height velocity?

Tanner Genital Stage 4 Signup and view all the answers

What percentage of final adult height is accounted for by the pubertal growth spurt?

20-30% Signup and view all the answers

What is the average difference in final adult height between males and females?

~13 cm Signup and view all the answers

What is the primary effect of estrogens on bone development?

Stimulation of bone mineral deposition and osteoblast activity Signup and view all the answers

What percentage of mass is fat-free in females?

68% Signup and view all the answers

What is the primary reason for males having greater muscle mass compared to females?

Higher peak muscle growth velocity Signup and view all the answers

What hormone is responsible for wider hips in females?

Estrogen Signup and view all the answers

What is the primary reason for changes in body composition and morphology after the growth spurt?

Changes in sex hormone levels Signup and view all the answers

What is the percentage of mass that is fat-free in males?

82% Signup and view all the answers