exam 1- OBS

Question 1

maternal change: hcG

Answer 1

production of estrogen and progesterone until placenta takes over

Question 2

Maternal changes: estrogen

Answer 2

enlargement of genitals, uterus and breasts

increases level of total body proteins

promotes retention of sodium and water

decreases mother’s ability to use insulin

Question 3

maternal changes: prolactin

Answer 3

breasts for lactation

Question 4

maternal changes: oxytocin

Answer 4

promotes uterine contractions

Question 5

maternal changes: human chorionic somatomammotropin

Answer 5

growth hormone

Question 6

maternal changes: thyroxine

Answer 6

total t3 and t4 slightly increased and peaks at mid-pregnancy

10-15% lower by term than in nonpregnancy

Question 7

maternal changes: parathyroid

Answer 7

controls calcium and magnesium metabolism

Question 8

maternal changes: insulin

Answer 8

increased production to compensate for the placental hormones [estrogen and progesterone that decreases insulin production]

Question 9

maternal changes: cortisol

Answer 9

stimulates production of insulin and increases its peripheral resistance to insulin

Question 10

maternal changes: aldosterone

Answer 10

stimulates reabsorption of excess sodium from renal tubules

Question 11

maternal changes: cardiac