• This is the key regulator of puberty
(a) LH ( b) Kisspeptin © GnRH (d) LH

• FSH production is inhibited by
• (a) Estrogn (b) GnRH © Inhibin (d) LH

• The order of pubertal development in girls is
(a) adrenarche-pubarche-menarche
(b)thelarche-menarche-pubarche
© pubarche-thelarche-menarche
(d) thelarche-pubarche-menarche

• Precious puberty is girls is if breast development is before the age of ____ years
• (a) 9 (b) 8 © 12 (d) 10

• This is NOT a cause of central precocious puberty
• (a) craniopharyngeoma (b) hypothyroidism © cranial irradiation (d) hydrocephalus

• In boys with precocious puberty with prepubertal LH level, this is the investigation of choice
• (a) CT scan for adrenal gland (b) MRI brain © field of vision testing (d) FSH level

• In normal phenotyic girls with amenorrhea and normal breat development the mots likely cause is
• (a) gonadal dysgenesis (b) multiple pituitary hormone deficiency © LH gene delection (d) mullerian agenesis

• This is NOT true in cases of constituional delay of puberty
• (a) is familial (b) no spontaneous puberty on followup © markedly delayed bone age (d) elevated early morning testosterone level

• in boys wth delayed puberty testosterone injections should be started at this age (in years )
• (a) 10 (b) 12 © 13 (d) 14

• Cause of precocoius puberty with growth retardation is
• (a) adrenal adenona (b) exogenous estrogen exposure © neurotuberculosis (d) hypothyroidism