ATI TEAS Endocrine System (Hormones)
Exam Questions With Revised Answers
Hypothalamus - answer✔✔Small collection of nuclei with many important homeostatic
functions - regulation of hunger, thirst, fluid balance, body temp., sleep/wake cycle.
What two hormones are produced by the hypothalamus? - answer✔✔1.ADH - Anti-diuretic
hormone
2. Oxytocin
ADH - Anti-diuretic hormone - answer✔✔Produced by the hypothalamus
Controls water balance - increase the amount of water retained by the kidneys.
Diuretic vs. Anti-diuretic - answer✔✔Diuretic = a chemical that increases urine production -
which decreases the amount of water in the body.
Anti-diuretic = Increases the amount of water retained by the body, therefore decreasing urine
production.
Oxytocin - answer✔✔(Females only) A hormone produced by the hypothalamus. Stimulates
uterine contractions during birth also is triggered by infant suckling to stimulate milk ejection by
binding to mammary glands.
The hypothalamus works directly with which endocrine gland? - answer✔✔Pituitary Gland
What connects the hypothalamus to the posterior pituitary gland? - answer✔✔Infundibulum - a
stalk like structure
What component of the pituitary gland is made up of nervous tissue and does not produce any
hormones? - answer✔✔The posterior pituitary gland (neuronohypophysis)
What component of the pituitary gland is composed of hormone - secreting glandular
epithelium? - answer✔✔Anterior pituitary gland (adenohypophysis) (adeno = gland)
Where is oxytocin and ADH stored? - answer✔✔The posterior pituitary gland
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