werners - repro - practice q

Question 1

What animal are cycstic ovaries most commonly seen in?

Answer 1

Dairy Cattle

*Causes Major Fertility Problems

Question 2

How do you treat cystic ovaries?

Answer 2

1. the use of human chorionic gonadotropin (hCG)

2. gonadorelin, a synthetic GnRH preparation

Question 3

What controls GnRH?

Answer 3

Hypothalamus

Question 4

What type of Receptor is the GnRH receptor?

Answer 4

G-Protein Coupled Receptor (Gq) linked to the IP3-Ca2+ pathway

Question 5

What type of receptors do FSH and LH have?

Answer 5

G-protein coupled receptors linked to adenylate cyclase (increase in cAMP levels)

Question 6

What induces Oxytocin?

What are it’s principle targets?

Answer 6

• -> sensory stimuli from cervix and vagina

- -> suckling of mammary gland