Prolactin and Oxytocin

Question 1

Due to its structural similarity to antidiuretic hormone, high concentrations of oxytocin can lead to (hypo/hyper) natremia.

Answer 1

HYPONATREMIA

Question 2

In the hypothalamus, oxytocin is made in the (2) nuclei.

Answer 2

Paraventricular nuclei

Supaoptic nulei

Question 3

Oxytocin is a pituitary hormone that is the first line medication for .

Answer 3

Postpartum Hemorrhage

Question 4

Breastfeeding triggers the hypothalamus to cause release from the posterior pituitary, which triggers milk release.

Answer 4

Oxytocin

Question 5

Oxytocin is a posterior pituitary hormone that labor by binding to receptors at the uterus, thereby augmenting uterine contraction force and frequency.

Answer 5

Induces and Maintains

Question 6

Oxytocin is secreted from the gland.

Answer 6

Posterior Pituitary Gland

Question 7

Inhibits Prolactin secretion

Answer 7

Dopamine (Prolactin Inhibiting Factor)

Question 8

Oxytocin is secreted from the gland.

Answer 8

Posterior Pituitary gland

Question 9

Factors that INCREASE Prolactin Secretion

Answer 9

Estrogen (Pregnancy)
Breastfeeding
Sleep
tress
TRH
Dopamine antagonists

Question 10

Factors that DECREASE Prolactin Secretion

Answer 10

Dopamine
Bromocriptine (Dopamine agonist)
Somatostatin
Prolactin (by negative feedback)