Breast

Question 1

What is the primary function of the lymphatic system in relation to the breast?

Answer 1

To drain lymph fluid and filter out toxins and waste products.

Question 2

True or False: The breast has a rich lymphatic system.

Answer 2

True

Question 3

Which lymph nodes are primarily involved in the lymphatic drainage of the breast?

Answer 3

Axillary lymph nodes

Question 4

Fill in the blank: The lymphatic drainage of the breast primarily occurs through the __________ lymphatic vessels.

Answer 4

superficial and deep

Question 5

What percentage of lymph from the breast drains into the axillary lymph nodes?

Answer 5

Approximately 75%

Question 6

Which area of the breast is drained by the internal mammary lymph nodes?

Answer 6

The medial (inner) portion of the breast

Question 7

Multiple choice: Which of the following is NOT a pathway for lymphatic drainage of the breast? A) Axillary nodes B) Internal mammary nodes C) Cervical nodes D) Supraclavicular nodes

Answer 7

C) Cervical nodes

Question 8

Short answer: Name one condition that can affect lymphatic drainage in the breast.

Answer 8

Breast cancer

Question 9

True or False: Lymphatic drainage patterns can vary significantly among individuals.

Answer 9

True

Question 10

What is the role of sentinel lymph nodes in breast cancer?

Answer 10

They are the first nodes to receive lymphatic drainage from a tumor and are assessed for cancer spread.

Question 11

Fill in the blank: Lymph from the upper outer quadrant of the breast drains primarily into the __________ lymph nodes.

Answer 11

axillary

Question 12

Which lymphatic drainage pathway is most commonly affected in breast cancer patients?

Answer 12

Axillary lymph nodes

Question 13

Multiple choice: Which lymph nodes are considered the secondary drainage site for the breast? A) Inguinal nodes B) Popliteal nodes C) Supraclavicular nodes D) Brachial nodes

Answer 13

C) Supraclavicular nodes

Question 14

Short answer: What imaging technique is often used to assess lymphatic drainage in breast cancer patients?

Answer 14

Lymphoscintigraphy

Question 15

True or False: Lymphatic drainage can influence the staging of breast cancer.

Answer 15

True

Question 16

Fill in the blank: The lymphatic vessels of the breast converge into the __________ lymphatic trunk.

Answer 16

subclavian

Question 17

What anatomical feature helps in the drainage of the breast?

Answer 17

Cooper’s ligaments

Question 18

Multiple choice: What is the most common site for lymphatic metastasis from breast cancer? A) Liver B) Bone C) Lungs D) Axillary lymph nodes

Answer 18

D) Axillary lymph nodes

Question 19

Short answer: How does lymph fluid from the breast return to the bloodstream?

Answer 19

Through the thoracic duct or right lymphatic duct.

Question 20

True or False: The lymphatic drainage of the breast is symmetrical.

Answer 20

False

Question 21

Fill in the blank: The __________ lymph nodes are located along the internal mammary artery and drain the medial breast.

Answer 21

internal mammary

Question 22

What is the significance of the axillary tail in lymphatic drainage?

Answer 22

It is a region where breast tissue extends into the axilla, influencing drainage patterns.

Question 23

Multiple choice: Which factor can affect lymphatic drainage from the breast? A) Age B) Hormones C) Surgery D) All of the above

Answer 23

D) All of the above

Question 24

Short answer: What can happen if lymphatic drainage is obstructed?

Answer 24

Lymphedema may occur.

Question 25

True or False: All breast lymphatic drainage leads directly to the axillary nodes.

Answer 25

False

Question 26

Fill in the blank: In addition to axillary and internal mammary nodes, lymph from the breast can also drain into the __________ lymph nodes.

Answer 26

supraclavicular