In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.

[EX Q]: Question: A 16-year-old woman consulted for primary amenorrhea. It presents a normal female development of secondary sexual characteristics. The levels of estradiol and testosterone are normal. In the gynecological examination, agenesis of the vagina is appreciated. Ultrasound is performed and there is absence of uterus. The ovaries are normal ultrasound. No left kidney is seen. The most likely diagnosis is: 
 Options:  <1> Rokitansky syndrome. <2> Morris syndrome. <3> Congenital adrenal hyperplasia. <4> Polycystic ovarian syndrome. <5> Kallman syndrome.
[EX A]: 1

[EX Q]: Question: The reinforcement circuit can be activated by electrical stimulation of the mesolimbic system, originating in the ventral tegmental area and projecting: 
 Options:  <1> To the hippocampus, inhibiting the release of dopamine. <2> To the nucleus accumbens, causing release of dopamine. <3> To the prefrontal cortex, stimulating the release of glutamate. <4> A mesencephalic reticular formation, causing release of glutamate. <5> To the pituitary, inhibiting the release of dopamine.
[EX A]: 2

[EX Q]: Question: The stimulation of the carotid bodies: 
 Options:  <1> Decreases the pH of arterial blood. <2> PCO2 decreases in arterial blood. <3> Increases the arterial concentration of bicarbonate. <4> Increases the urinary excretion of sodium. <5> Lowers blood pressure
[EX A]:
2

