ACTUAL EXAM WITH 120 QUESTIONS AND VERIFIED

ACTUAL EXAM WITH 120 QUESTIONS AND VERIFIED

ANSWERS/LATEST UPDATE -

Where does breast tissue normally develop? RIGHT 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

• First 2 months of life
• Puberty

Breast development during menstruation RIGHT ANSWER:->>- Estrogen: Induces Ductal System development

- Progesterone: Induces Lobular-Alveolar development

What is Lactogenesis? RIGHT ANSWER:->>The initiation of milk production

How many stages of Lactogensis are there? RIGHT ANSWER:->>4

What stages of Lactogenesis occur during pregnancy? - ANSWER >>>>1 and 2 Lactogenesis 1 RIGHT ANSWER:->>Ductal and Lobular-Alveolar systems grow 1 / 3

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? RIGHT ANSWER:->>around 16 weeks

Lactogenesis 2 RIGHT 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? RIGHT ANSWER:->>2-4 days

What are the 5 main areas of the breast? RIGHT 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) 2 / 3

What is an Alveolus RIGHT ANSWER:->>Small cavity where milk is produced

and stored

• made of epithelial cells

What are Alveoli? RIGHT ANSWER:->>multiple alveolus

What is the Intra-lobular duct? RIGHT ANSWER:->>Connects a lobule to the

lactiferous ducts

What is a Mammary Lobule? RIGHT ANSWER:->>10-100 alveoli combined

together

What are Lactiferous Ducts? RIGHT ANSWER:->>connects mammary

lobules/intra-lobular ducts to the nipple

What surrounds the breast tissue? RIGHT ANSWER:->>Fat Nerves

Lymph Tissue Vascular Network

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