EXAM QUESTIONS COMPLETE 2024 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
ALREADY GRADED A+ BRAND NEW!!
Where does breast tissue normally develop? - ANSWER >>>>Along
the breast line
- located from under the arms down to the groin
What are the 3 stages of early breast development? - ANSWER
>>>>1. In utero
2. First 2 months of life
3. Puberty
Breast development during menstruation - ANSWER >>>>- Estrogen:
Induces Ductal System development
- Progesterone: Induces Lobular-Alveolar development
What is Lactogenesis? - ANSWER >>>>The initiation of milk
production
How many stages of Lactogensis are there? - ANSWER >>>>4
What stages of Lactogenesis occur during pregnancy? - ANSWER
>>>>1 and 2
Lactogenesis 1 - ANSWER >>>>Ductal and Lobular-Alveolar systems
grow at an accelerated rate (influenced by hormones)
- breasts enlarge
- high progesterone levels cause an increase in alveoli
- colostrum begins to produce in the alveoli
When does Lactogenesis 1 occur? - ANSWER >>>>around 16 weeks
, Lactogenesis 2 - ANSWER >>>>The placenta is released from the
uterus and progesterone levels drop
- this causes the alveolar cells to begin to release milk and allows
them to continue to produce more milk
How long does Lactogenesis 2 last? - ANSWER >>>>2-4 days
What are the 5 main areas of the breast? - ANSWER >>>>- Upper
Inner
- Lower Inner
- Upper Outer
- Lower Outer
- Tail of Spence
What are the 2 types of breast tissue and what are they composed of?
- ANSWER >>>>- Parenchyma: ductal and lobular-alveolar structures
- Strom: connective tissue (fat, vascular, nerve, lymphatic)
What is an Alveolus - ANSWER >>>>Small cavity where milk is
produced and stored
- made of epithelial cells
What are Alveoli? - ANSWER >>>>multiple alveolus
What is the Intra-lobular duct? - ANSWER >>>>Connects a lobule to
the lactiferous ducts
What is a Mammary Lobule? - ANSWER >>>>10-100 alveoli
combined together
What are Lactiferous Ducts? - ANSWER >>>>connects mammary
lobules/intra-lobular ducts to the nipple