Physiology of Lactation-FINAL EXAM!

Question 1

What is lactation: Production of a ___ (__) by the ____ ____ of mammals to feed the ____.

Answer 1

secretion (milk), mammary gland, offspring

Question 2

Lactation provides a great evolutionary ____to mammals

Answer 2

advantage

Question 3

____ ____ is the best food for newborn infants for the first year of life or longer.

Answer 3

human milk

Question 4

When maternal diet is inadequate, the ____ of the milk is preserved over the _____ for the majority of nutrients.

Answer 4

quality

quantity

Question 5

What’s required for proper breastfeeding?

Intact ___ ___.

Initiation and maintenance of ___ ___.

____ of milk

Answer 5

mammary gland
milk secretion
Ejection

Question 6

Proper breastfeeding position:

Hold your baby with her whole ___ facing your ___.
Place your babys ___ and ___ against your breast.
Support your baby’s ___, ___, and ___.
Your baby should draw both your __ and ___ into her mouth.

Answer 6

body, body
nose, chin
head, neck, back
nipple
areola

Question 7

Mammary gland consists of:

____ ___
____
___ ____
___

Answer 7

Glandular epithelium
Ducts
Connective tissue
Fat

Question 8

Breast development:
Infancy:
Future ___ ___ recognizable

Answer 8

mammary glands

Question 9

Breast development:
Childhood
“____” period of mammary growth and activity

Answer 9

Quiescent

Question 10

Breast development:
Adolescence-In response to estrogen:

____ ____ proliferates
____ elongate
Growth of ____ and ___ ___
Pigmentation of ___ and ___.

Answer 10

Glandular tissue
Ducts
fibrous and fatty tissue
areola and nipple

Question 11

In pregnancy, ___ ____ contribute to growth of mammary gland.

Answer 11

placental hormones

Question 12

1st trimester- proliferation of ___

Answer 12

cells

Question 13

2nd trimester- large ___ form and ____ begin dilating

Answer 13

lobules, ducts

Question 14

3rd trimester: is final preparation for ____.

Answer 14

lactation

Question 15

Pregnancy:

___ branching and ___-____ development

Answer 15

ductal

lobular-alveolar

Question 16

Estrogen helps with ____ growth.

Answer 16

ductal

Question 17

Progesterone: helps with ____ development

Answer 17

alveolar

Question 18

Oxytocin: letdown: ejection of ___ from ____ cells.

Answer 18

milk, myoepithelial

Question 19

Breast Maturation completed ___-____months after 1st menstrual period but development continues during ___ ____ years

Mature breast weighs ~ ___ gm

Answer 19

12-18
child bearing
200gm

Question 20

Antepartum period:

Additional proliferation in response to ____.
Induction of enzymes in ___
Weight of breast ~ ___-___ gm

Answer 20

prolactin
alveoli
400-600

Question 21

Milk production:
Initiation and maintenance involves:
The ____ system
_____, especially prolactin

Answer 21

nervous

Hormones

Question 22

Milk Production:

Day 0-3 Secretion of ____.

Day 4 – Rapid increase in ____ ___.

Answer 22

colostrum

milk secretion

Question 23

Lactation well established by:
End of week 1 – ________,
End of week 3 – _________

Answer 23

multiparas

primiparas

Question 24

___ ____ ___ influence breastfeeding rates

Answer 24

Health care providers

Question 25

Health care policies and procedures and the knowledge and attitudes of health care providers affect community ____ _____

Increasing ___ ___ rates one of the 2020 objectives

Answer 25

breastfeeding rates.

breast feeding

Question 26

Healthy People 2020

Increase the proportion of infants who are _____.
Increase the proportion of employers that have worksite ___ ____ programs
Reduce the proportion of breastfed newborns who receive formula supplementation within the first __ days of life.

Answer 26

breastfed
lactation support
2

Question 27

Healthy People 2020

Increase the proportion of live births that occur in facilities that provide recommended care for ____ ____ and their ____.

Answer 27

lactating mothers

babies