Breast Anatomy & Histology

Matthew Coulson
Quiz by Matthew Coulson, updated more than 1 year ago
Matthew Coulson
Created by Matthew Coulson over 2 years ago
457
1

Description

Breast Anatomy & Histology lecture given by Paul felts on 07/01/2019. First day back.

Resource summary

Question 1

Question
The breast is split up into 15-20 separate sections known as the breast [blank_start]lobules[blank_end]
Answer
  • lobules

Question 2

Question
The connective tissue structures which act to support the breast's fatty tissue are known as [blank_start]suspensory[blank_end] ligaments
Answer
  • suspensory

Question 3

Question
Which of the following describes the functional unit of secretory breast tissue?
Answer
  • Terminal Duct Lobular Unit
  • Terminal Secretory Unit
  • Distal Secretory Unit
  • Distal Duct Lobular Unit

Question 4

Question
The structures by which the Terminal Duct Lobular Units drain into in order to deliver milk to the nipple are known as [blank_start]Lactiferous[blank_end] Ducts
Answer
  • Lactiferous

Question 5

Question
Label the intra and extralobular ducts shown on the histology slide
Answer
  • Extralobular Duct
  • Intralobular Duct
  • Neither

Question 6

Question
Which type of tissue is labelled on the below diagram? _________ Tissue
Answer
  • Adipose

Question 7

Question
The cells labelled on the below slide surround the secretory cells of the Terminal Duct Lobular Unit. What are they called? [blank_start]Myoepithelial[blank_end] Cells
Answer
  • Myoepithelial

Question 8

Question
Which cells, present in the secretory lobules of the breast, facilitate contraction thus aiding milk excretion? [blank_start]Myoepithelial[blank_end] cells
Answer
  • Myoepithelial

Question 9

Question
Which Immunoglobulin is found in the highest concentration in breastmilk?
Answer
  • IgA
  • IgG
  • IgE
  • IgD

Question 10

Question
Which immunoglobulin is most commonly found in the blood?
Answer
  • IgA
  • IgE
  • IgG
  • IgD

Question 11

Question
The nipple has a core of which two tissues mainly?
Answer
  • Dense irregular connective tissue
  • Dense regular connective tissue
  • Smooth muscle
  • Adipose tissue

Question 12

Question
Near the surface of the skin the lactiferous ducts are lined by [blank_start]stratified squamous[blank_end] epithelium, however deeper it is lined by [blank_start]stratified cuboidal[blank_end] epithelium.
Answer
  • stratified cuboidal
  • stratified squamous
  • pseudostratified squamous

Question 13

Question
Match the changes to the stage they occur in pregnancy: [blank_start]Second Trimester[blank_end] - Plasma cells and lymphocytes infiltrate the nearby connective tissue [blank_start]First Trimester[blank_end] - Proliferation of the myoepithelial cells and epithelial cells of the glands [blank_start]Third Trimester[blank_end] - Development of extensive rough endoplasmic reticulum
Answer
  • Third Trimester
  • First Trimester
  • Second Trimester

Question 14

Question
During pregnancy there is a drastic [blank_start]decrease[blank_end] in the adipose tissue content of the breast
Answer
  • decrease
  • increase

Question 15

Question
During pregnancy there is a drastic [blank_start]decrease[blank_end] in the connective tissue content of the breast
Answer
  • decrease
  • increase

Question 16

Question
[blank_start]Apocrine[blank_end] secretion = Droplets are secreted surrounded by membrane and carrying a small amount of cytoplasm with it. [blank_start]Merocrine[blank_end] secretion = Substances secreted in vesicles which merge with the apical membrane to release only their contents into the ductal system.
Answer
  • Merocrine
  • Apocrine
  • Endocrine
  • Exocrine

Question 17

Question
[blank_start]Merocrine[blank_end] secretion is also known as exocytosis
Answer
  • Merocrine
  • Apocrine
  • Endocrine
  • Exocrine

Question 18

Question
Breast milk is approximately 88% [blank_start]water[blank_end]
Answer
  • water
  • lipid
  • carbohydrate
  • protein
  • ions, vitamins and IgA

Question 19

Question
The proteins secreted into the breast milk are forged in the [blank_start]rough[blank_end] endoplasmic reticulum
Answer
  • rough
  • smooth

Question 20

Question
The proteins secreted into breast milk are folded, packaged, etc by which cellular structure? The [blank_start]Golgi Apparatus[blank_end]
Answer
  • Golgi Apparatus

Question 21

Question
Which type of secretion is responsible for the release of protein and lipid into the breast milk? Protein = [blank_start]Merocrine secretion[blank_end] Lipid = [blank_start]Apocrine secretion[blank_end]
Answer
  • Merocrine secretion
  • Apocrine secretion
  • Apocrine secretion
  • Merocrine secretion

Question 22

Question
Which of the following sites of the breast is most commonly affected by breast cancer?
Answer
  • Lactiferous Ducts
  • Terminal Duct Lobular Units
  • Adipose Tissue
  • Suspensory Ligaments

Question 23

Question
How many lactiferous ducts supply each breast lobule?
Answer
  • 1
  • 2
  • 3
  • 10

Question 24

Question
During pregnancy, the terminal duct lobular units [blank_start]increase[blank_end] in size.
Answer
  • increase
  • decrease
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