ABSITE Breast Exam Questions and
Answers 100% Pass
The embryologic structure from which the breast forms: - ✔✔Ectodermal thickenings
termed mammary ridges or milk lines
Name the function of the following hormones: Estrogen - ✔✔branching differentiation
and duct development in the breast
Name the function of the following hormones: Progesterone - ✔✔lobular development
of the breast
Name the muscle the artery supplies: Thoracodorsal artery - ✔✔Latisimus dorsi
Name the muscle the artery supplies: Lateral thoracic artery - ✔✔Serratus anterior
muscle
Name the nerve that innervates the following muscles:Serratus anterior muscle -
✔✔Long thoracic nerve
Name the nerve that innervates the following muscles:Latissimus dorsi -
✔✔Thoracodorsal nerve
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,Name the nerve that innervates the following muscles:Pectoralis minor - ✔✔Medial
pectoral nerve
Name the nerve that innervates the following muscles:Pectoralis major - ✔✔Lateral and
medial pectoral nerves
Winged scapula - ✔✔Long thoracic nerve
Weak arm adduction/pull-ups - ✔✔Thoracodorsal nerve
Name the arterial supply to the breast: - ✔✔Branches derived from the intercostal
arteries, internal thoracic artery, lateral thoracic artery, and thoracoacromial artery
The valveless venous plexus responsible for direct hematogenous spread of breast
cancer to the spine: - ✔✔Batson plexus
Suspensory ligaments that divide the breast into segments: - ✔✔Cooper ligaments
What percentage of lymphatic drainage of the breast is to: - ✔✔The axillary nodes: 97%
The internal mammary nodes: 1% to 2%
Anatomic description for Levels I, II, and III nodes in the breast? - ✔✔Level I: Lateral to
the pectoralis minor muscle
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, Level II: Beneath the pectoralis minor muscle
Level III: Medial to the pectoralis minor muscle
Nodes between the pectoralis minor and major muscles - ✔✔Rotter node
What are the Superior boundaries of the axilla? - ✔✔Axillary vein
What are the Posterior boundaries of the axilla? - ✔✔Long thoracic nerve
What are the Lateral boundaries of the axilla? - ✔✔Latissimus dorsi muscle
What are the Medial boundaries of the axilla? - ✔✔Pectoralis minor
Nerves to be aware of in an ALND: - ✔✔Long thoracic nerve, Thoracodorsal nerve,
Medial pectoral nerve, Lateral pectoral nerve, Intercostobrachial nerve
Potential complications of ALND: - ✔✔Axillary vein thrombosis, Infection,Nerve
injury, Lymphedema, Lymphatic fibrosis, Lymphangiosarcoma
Most likely cause of sudden, painful, early postop swelling of the ipsilateral arm after
an axillary dissection: - ✔✔Axillary vein thrombosis
Most likely cause of slow, painless, progressive swelling of the ipsilateral arm after an
axillary dissection: - ✔✔Lymphatic fibrosis
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Answers 100% Pass
The embryologic structure from which the breast forms: - ✔✔Ectodermal thickenings
termed mammary ridges or milk lines
Name the function of the following hormones: Estrogen - ✔✔branching differentiation
and duct development in the breast
Name the function of the following hormones: Progesterone - ✔✔lobular development
of the breast
Name the muscle the artery supplies: Thoracodorsal artery - ✔✔Latisimus dorsi
Name the muscle the artery supplies: Lateral thoracic artery - ✔✔Serratus anterior
muscle
Name the nerve that innervates the following muscles:Serratus anterior muscle -
✔✔Long thoracic nerve
Name the nerve that innervates the following muscles:Latissimus dorsi -
✔✔Thoracodorsal nerve
Brittie Donald, All Rights Reserved © 2025 1
,Name the nerve that innervates the following muscles:Pectoralis minor - ✔✔Medial
pectoral nerve
Name the nerve that innervates the following muscles:Pectoralis major - ✔✔Lateral and
medial pectoral nerves
Winged scapula - ✔✔Long thoracic nerve
Weak arm adduction/pull-ups - ✔✔Thoracodorsal nerve
Name the arterial supply to the breast: - ✔✔Branches derived from the intercostal
arteries, internal thoracic artery, lateral thoracic artery, and thoracoacromial artery
The valveless venous plexus responsible for direct hematogenous spread of breast
cancer to the spine: - ✔✔Batson plexus
Suspensory ligaments that divide the breast into segments: - ✔✔Cooper ligaments
What percentage of lymphatic drainage of the breast is to: - ✔✔The axillary nodes: 97%
The internal mammary nodes: 1% to 2%
Anatomic description for Levels I, II, and III nodes in the breast? - ✔✔Level I: Lateral to
the pectoralis minor muscle
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, Level II: Beneath the pectoralis minor muscle
Level III: Medial to the pectoralis minor muscle
Nodes between the pectoralis minor and major muscles - ✔✔Rotter node
What are the Superior boundaries of the axilla? - ✔✔Axillary vein
What are the Posterior boundaries of the axilla? - ✔✔Long thoracic nerve
What are the Lateral boundaries of the axilla? - ✔✔Latissimus dorsi muscle
What are the Medial boundaries of the axilla? - ✔✔Pectoralis minor
Nerves to be aware of in an ALND: - ✔✔Long thoracic nerve, Thoracodorsal nerve,
Medial pectoral nerve, Lateral pectoral nerve, Intercostobrachial nerve
Potential complications of ALND: - ✔✔Axillary vein thrombosis, Infection,Nerve
injury, Lymphedema, Lymphatic fibrosis, Lymphangiosarcoma
Most likely cause of sudden, painful, early postop swelling of the ipsilateral arm after
an axillary dissection: - ✔✔Axillary vein thrombosis
Most likely cause of slow, painless, progressive swelling of the ipsilateral arm after an
axillary dissection: - ✔✔Lymphatic fibrosis
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