MTMI Mammography: Anatomy questions with correct answers, Exams of Nursing

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MTMI Mammography: Anatomy questions with

correct answers

What ribs attach the upper portion of the breast? Answer✓✓ 2nd or 3rd What ribs attach the lower portion of the breast? Answer✓✓ 6th or 7th What are the margins of the breast? (4) Answer✓✓ - Clavicle - superior

• IMF- inferior
• sternum- medial
• Axilla- lateral What quadrant is the most glandular tissue found in the breast? (2) Answer✓✓ - central
• upper outer quadrant- extend into tail of spence What quadrat is the most cancers found? Answer✓✓ upper outer quadrant Triangulation: Where is the lesion found on the lateal aspect be on ML view? Answer✓✓ Down- Lead sinks Triangulation: Where is the lesion found on the medial aspect be on ML view?? Answer✓✓ Up- Muffins rise Where is the skin thickest in the breast? Answer✓✓ Base of the breast (2mm)

Whe is the skin thinnest in the breast? Answer✓✓ Nipple (0.5mm) What are the layers of the breast skin? (3) Answer✓✓ - Epidermis- outer

• Dermis- middle ( blood vessels etc)
• Hypodermis - inner layer What is the areola? Answer✓✓ Circular colored skin around nipple What is the diameter of the areola? Answer✓✓ 4-5 cm What does the areola include? (3) Answer✓✓ Nipple Montgomery glands Hair follicles How many ducts does the nipple have? Answer✓✓ 5- What is the Montgomery gland? (2) Answer✓✓ sebaceous gland surrounding the nipple small bumps around nipple What is the job of the Montgomery gland? Answer✓✓ makes oily secretions to keep nipple and areola lubricated What are the Morgagni tubercles? Answer✓✓ the openings of the Montgomery glands

What attaches the breast to the deep fascia? Answer✓✓ suspensory ligaments ( Cooper's ligaments) What does the pectoralis muscle connects? Answer✓✓ connects the front wall of chest with the shoulder and upper arm Major- superficial Minor- deep What is the suggested angle of machine for shorter torso? Answer✓✓ 30- What is the angle used for average torso? Answer✓✓ 40- What is the angle used for longer torso? Answer✓✓ 50- What are coopers ligaments? Answer✓✓ Fibrous connections between the inner side of the brest skin and the pectoral muscle What are coopers ligaments largely responsible for? Answer✓✓ Maintaining the shape and configuration of the breast What are mammary glands also called? Answer✓✓ Glandular tissue What does glandular tissue hold? Answer✓✓ milk-producing cells Mammary glands are also considered? Answer✓✓ modified sweat glands

What is fibrosis? Answer✓✓ Thickening or density of breast tissue What to mammary glands consist of? Answer✓✓ lobes that produce milk What connects to the lactiferous ducts? Answer✓✓ lobules What are the lactiferous ducts responsible for? Answer✓✓ responsible for delivering the milk to the nipple How many lobes does the breast have? Answer✓✓ 15- What is the other name for Extra-lobular terminal duct? Answer✓✓ segmental duct Where most cancers originate? Answer✓✓ Withing the lobules Where is the Extra-lobular duct located? Answer✓✓ Outside the lobule What connects to the lactiferous duct and sinus inside the nipple? Answer✓✓ Extra-lobular duct (segmental duct) What is the other name for Intra-lobular duct? Answer✓✓ sub-segmental duct Where is the intra-lobular duct located? Answer✓✓ Inside the lobule

Which layer of the cells in the duct hold everything together and responds to hormonal fluctuations? Answer✓✓ Basel membrane What cells layer secretes cells of the TDLU when cancer begins at a cellular level? Answer✓✓ Luminal Epithelium How much blood the medial aspect of the breast receives? Answer✓✓ 60% What supplies blood to the medial aspect of the breast? Answer✓✓ Internal thoracic (mammary artery) - branch of subclavian artery Internal thoracic artery (mammary) branches off the? Answer✓✓ Subclavian artery How much blood does the lateral aspect of breast receives? Answer✓✓ 40% What supplies blood the lateral aspect of the breast? (2) Answer✓✓ Axillary Artery and intercostal artery What drains the medial aspect of the breast? Answer✓✓ Internal thoracic vein What drains the lateral aspect of the breast? (2) Answer✓✓ Lateral thoracic vein- comes off axillary vein intercostal veins

The connection between __________and __________, allows _______ metastasis to bones and nervous systems Answer✓✓ - intercostal veins

• vertebral plexus 2 types of Lymphatic Answer✓✓ - Superficial Lymphatics
• Deep Lymphatics Superficial Lymphatics drains: Answer✓✓ Skin over the breast Deep Lymphatics drains: (3) Answer✓✓ - Parenchyma of the breas
• niipple
• areola Why is the lymphatic drainage of great clinical importance? Answer✓✓ due to its role in the metastasis of breast cancer cells 3 Lymphatic nodes that receive lymph from breast tissue: Answer✓✓ -Axillary node
• Parasternal nodes
• Posterior intercostal nodes What % of drainage does the axillary node receives? Answer✓✓ 75% What % of drainage does the parasternal node receives? Answer✓✓ 20%