Quiz 11 Flashcards
What is the pueperium period?
the period after parturition when the reproductive tract repairs itself
What is lochia?
uterine discharge: remnants of placental tissue and endometrium tissue
Name two events that occur during the pueperium period.
myometrium contractions
endometrial repair
True or False
During Puerperium period while lochial volume decreases, uterine mass and length remiane unchanges.
false, decreases
True or False
Mammary parenchyma tissues rise from endoderm
false, ectoderm
True or False
Lactose is milk sugar consist of glucose and sucrose
false, galactose
True or False
In mammary gland development, the rate of secretory tissue is a lot faster than ductal tissue during the pregnancy
true
True or False
Lactose is a major osmoregulator in the mammary gland and draws water
true
Milk synthesis or amount milk is secreted depended on many factors such as milk frequency. Could you name three or more factors that affect milk synthesis in the mammary gland?
number of secreting cells
blood supply
endochrine support
Where is Progesterone produced?
CL, placenta
Where is Cortisol (Glucocorticoids) produced?
Adernal cortex
Where is Estrogen produced?
Follicle, placenta
What is Progesterone’s function in respect to mammary gland and lactation?
stimulates secretory tissue growth
What is Cortisol’s function in respect to mammary gland and lactation?
stimulates action of prolactin
Increases prolactin receptors
What is Estrogen’s function in respect to mammary gland and lactation?
stimulates ductal growth
How many liters of blood/day goes through the mammary gland of cow that produces 45 liters of milk?
a. 20,000 to 40,000
b. 40,000 to 55,000
c. 9,000 to 18,000
d. 4,500 to 5,000
C
Which of the following hormones can potentially retard milk synthesis?
a. progesterone
b. oxytocin
c. adrenal gland
d. estrogen
A
Indicate the percentages for the following milk components:
Protein ____ Lactose ____ Water ____ Fat ____
3.2%
4.5%
88-89%
3.7%
Oxytocin causes milk ejection by stimulating the contraction of
a. myoepithelial cells
b. pineal cells
c. myocardial cells
d. capillaries
e. sarcoplasmic reticulum
A
Which of the following hormones are important for mammogenesis?
a. progesterone
b. oxytocin
c. adrenal steroids
d. estrogen
e. A and D
E
Which of the following hormones are important for ductal development in the mammary glandmammogenesis?
a. progesterone
b. oxytocin
c. adrenal cortiosol
d. estrogen
e. glucogon
D
Name the hormone that is responsible for milk letdown, and which cells are affected by this hormone?
oxytocin - myoepithelial cells of alveoli
Major milk protein is _____, milk sugar is called _____, and the largest milk component is _____.
casein
lactose
water
_____ is the milk sugar. The milk sugar is a disaccharide that consists of _____ and _____. This sugar makes up about _____% of the bovine milk.
lactose
glucose
galactose
4.5
